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Partial Purification of Anthocyanins (Brassica oleracea var. Rubra) from Purple Cabbage Using Natural and Modified Clays as Adsorbent Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-12-13 Darlyson Tavares Guimarães, Liana Maria Ramos Mendes, Luiz Bruno de Sousa Sabino, Edy Sousa de Brito, Enrique Vilarrasa-García, Enrique Rodríguez-Castellón, Juan Antonio Cecilia, Ivanildo José da Silva Junior
This research is aimed at evaluating strategies for the adsorption and recovery of anthocyanins present in purple cabbage using natural and modified clays as adsorbent. In the batch adsorption experiments, the anthocyanin extracts were put in contact with the adsorbents, and different parameters were evaluated to determine the best conditions for their adsorption and recovery. It was noted that the
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Removal of Pb(II) from Aqueous Solutions with Manganese Oxide-Modified Diatomite Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-11-20 Huynh Thanh Danh, Nguyen Thi Truc Ly, Vanthan Nguyen, Dinh Quang Khieu, Pham Dinh Du
In the present work, natural diatomite modified with manganese oxide (MnO2) was prepared via direct redox reaction with KMnO4 and HCl. The product was characterized by using X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray, and nitrogen adsorption-desorption isotherms. It was found that the nanorod manganese
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Dual Role of Fe2+ in the Galena Flotation and Influence on Selective Separation Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-11-20 Bo Yang, Xiao Wang, Xian Xie, Zixuan Yang
Fe ions, as one of the unavoidable metal ions, are present in flotation pulp as ferric and ferrous species, and the effect of ferric species on the flotation behavior of sulfide minerals has been widely discussed in the above literatures. However, the effect of ferrous species has rarely been noticed. In this paper, the effect of ferrous species on the flotation behavior and surface characteristics
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Investigation of the Zeta Adsorption Model and Gas-Solid Adsorption Phase Transition Mechanism Using Statistical Mechanics at Gas-Solid Interfaces Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-11-15 Di Zhang
This review examines the significance of the zeta adsorption model in physics and its integration with statistical mechanics within the field of interface adsorption. Through a comprehensive analysis of existing research, this study presents the collective findings and insights derived from the reviewed literature. The zeta adsorption model, proposed by Ward, has gained recognition for its seamless
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Sulphuric Acid-Modified Coal Fly Ash for the Removal of Rhodamine B Dye from Water Environment: Isotherm, Kinetics, and Thermodynamic Studies Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-11-11 G. Bharath Balji, P. Senthil Kumar
Among the wide variety of dyes present in the environment, cationic dyes are more toxic and have complex structure. The adsorption process of rhodamine B dye was successfully carried out by sulphuric acid-treated inexpensive modified fly ash (MFA) adsorbent via batch experiments. The nature of the adsorbent was characterized by techniques, namely, Fourier transform infrared spectroscopy (FTIR), scanning
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Enhanced Adsorption of Rose Bengal Dye from Aqueous Solution Using NaOH Activated Hydrochar Derived from Corncob Waste Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-11-8 R. Sivaranjanee, P. Senthil Kumar
A potential approach to the preparation of affordable activated hydrochar is the hydrothermal carbonization of biomass wastes. In this study, hydrochar was made by hydrothermally carbonizing corncob wastes and then activating them with sodium hydroxide (NaOH). According to the findings, the adsorption capabilities of hydrochar generated at prolonged retention durations, lesser liquid-to-solid ratios
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Mechanism of Permanganate Biosorption by Fermentation Biowaste Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-10-14 Namgyu Kim, Sang-Hoon Lee, Hanui Yang, Donghee Park
Biosorptive treatment of industrial wastewater contaminated with heavy metals has been recognized as one of the most effective green tools, competing with traditional physical/chemical treatment processes. This study delves into the detailed investigation of the biosorbent prepared from fermentation biowaste, particularly focusing on the mechanism behind permanganate (Mn(VII)) removal. Various parameters
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Development of Efficient Biochar Produced from Orange Peel for Effective La(III) and Y(III) Adsorption Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-9-30 Li Liu, Bo Feng, Yun Zhang Rao, Chang Shun Tian, Qi Xiong Gu, Tao Huang
In this work, orange peel (OP) was used as raw material to produce biochar. The effect of oxygen-limited carbonization temperature (200, 400, and 600°C) on the physicochemical properties and adsorption behavior of orange peel biochar (OPB) toward La(III) and Y(III) in aqueous media was studied. The prepared OPB samples were characterized by SEM, FTIR, and XRD. The experimental results exhibited effective
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Adsorption of Hydrogen Sulfide on Reduced Graphene Oxide-Wrapped Titanium Dioxide Nanofibers Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-9-28 Kanchit Kamlangkla, Aphichard Phongphala, Udomdej Pakdee
This work presents a fabrication of room-temperature gas sensor for hydrogen sulfide (H2S) adsorption. Pristine titanium dioxide (TiO2) nanofibers, reduced graphene oxide (rGO) sheets, and reduced graphene oxide-wrapped titanium dioxide (rGO-wrapped TiO2) nanofibers were presented in the form of integrated suspension used for a gas-sensing layer. The TiO2 nanofibers were firstly synthesized by using
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Removal of Hexavalent Chromium by Using Sustainable Green Materials as Low-Cost Adsorbents Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-9-25 Qian Li, Qing Huang, Fangqing Weng, Wenqian Hu, Jiamin Liu, Jiasheng Luo
The possibility of using three types of NaOH-treated tea residues (green tea, pu-erh, and tieguanyin) as low-cost adsorbents for Cr(VI) treatment was investigated. The surface charge, composition, morphology, structure, and functional groups in the obtained biosorbents were characterized by pHzpc, cellulose content, SEM, BET, XRD, and FTIR spectroscopy. The nonlinear pseudo-first-order, pseudo-second-order
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Efficient Removal of Paraquat Pollutants Using Magnetic Biochar Derived from Corn Husk Waste: A Sustainable Approach for Water Remediation Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-9-15 Sakonsupa Damdib, Adisak Siyasukh, Bhawaranchat Vanichsetakul, Phamornsiri Phamornpiboon, Chanchana Thanachayanont, Patiparn Punyapalakul, Nattaporn Tonanon
Due to the widespread production of maize, the waste created by this crop has become a serious concern. This study applied the concept of waste circulation to the production of magnetic biochar from corn husk waste to remediate paraquat-contaminated water. Magnetic biochar (MB) was produced by impregnating maize husks with iron and carbonizing the residue in a nitrogen environment. Carbonized MB at
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Adsorption-Reduction Behavior of Cr(VI) by Ferrihydrite-Fulvic Acid Complexes with Different C/Fe Mole Ratios Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-9-6 Yangyang Zhang, Yuxin Chen, Junwen An, Xiaofei Zhao, Bo Zu
Ferrihydrite and fulvic acid are prevalent components of soils and can significantly influence the environmental behavior of Cr(VI) in these matrices. Prior research has investigated the sorption behavior of Cr(VI) by ferrihydrite and fulvic acid independently; however, the sorption-reduction capacity of Cr(VI) by the ferrihydrite-fulvic acid complex, which is ubiquitously present in soils, has been
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Surface Diffusion of C1–C3 Alcohols on Multiwall Carbon Nanotubes Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-9-2 Alexey Zhokh, Tamila Serebrii, Peter Strizhak
The diffusion of methanol, ethanol, and 2-propanol using individual multiwall carbon nanotubes (MWCNT) and MWCNT bundles was investigated for the first time via application of the quartz crystal microbalance. At small times, the release of alcohol obeys the advective mechanism. In contrast, no deviations from Fick’s law were justified at large times. This situation holds for either individual MWCNTs
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Modelling Moisture Sorption Isotherms of Superabsorbent Polymer Fabric for Desiccant Drying of Crops Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-8-24 Peter Kang’ethe Kimani, Ayub Njoroge Gitau, Duncan Onyango Mbuge, Januarius Ondiek Agullo
Desiccants are important in the drying of temperature-sensitive grains such as seeds for planting. Superabsorbent polymers (SAPs) have previously been identified for possible application in the drying of crops. Applying the gravimetric technique to measure the sorption isotherms and the effectiveness of the desiccant in crop drying was determined at temperatures 20, 25, 30, 35, 40, 45, 50, and 55°C
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Development of Durian Rind/Polypyrrole Composite and Its Application in Removing of Anionic Dyes Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-8-17 Yan Wang, Zijing Dai, Jiaqi Zha, Wenqing Wei
In this study, polypyrrole (PPy) was introduced into durian rind (DR) by in situ polymerization method to prepare durian rind/polypyrrole (DR/PPy) composite. The resulting material was characterized using scanning electron microscope (SEM), transmission electron microscope (TEM), infrared spectroscopy (IRS), and X-ray diffraction (XRD). Then, the removing performance of the DR/PPy material for anionic
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Magnetic Biochar by One-Step Impregnation Pyrolysis of Peganum harmala L. for Removal of Rhodamine B Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-8-16 Abdulrahman F. Alharbi, Abdullah A. Alotaibi, Hassan E. M. Gomaa, Abdulaziz A. M. Abahussain, Sami M. Abdel Azeem
A new magnetic P. harmala biochar/Mn-ZnFe2O4 material was prepared by the one-step pyrolysis approach and characterized by FT-IR, SEM, XRD, and BET techniques. The efficacy of removing rhodamine B (RhB) via adsorption and catalytic degradation was examined. Adsorption removal attained 82% of 10 mg·L-1 RhB at pH 4.0, 90 min of agitation, and 3.2 g·L-1 of adsorbent. The adsorption kinetics indicated
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Characterization and Potential of Samanea saman-Activated Carbon on Adsorption of Copper from an Aqueous Solution Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-8-7 Achmad Chusnun Ni'am, Muhamad Suhar, Ernso Fenelon
The mining and electroplating industries have resulted in the contamination of the environment with heavy metal. This has resulted in a serious threat to the ecological environment and human health due to the presence of copper pollution. To address this issue, extensive efforts have been made to develop effective methods for removing contaminants, particularly heavy metal, and Samanea saman (SS) was
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Study on Phosphorus Adsorption Performance of Inorganic Modified Green Mudstone Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-8-1 Liang Li, Ke Shi, Shaojun Xiong, Shimeng Zhang, Zhuang Shan, Guangsheng Qian, Xu Zhai, Ping Xiao
Inorganic modified green mudstone (MGM) was prepared from the green mudstone (GM) residue of Fushun West Open Pit Mine and characterized by XRF, XRD, FTIR, and SEM of GM and MGM. According to the calculation of pore size and the BET equation, the pore size and specific surface area of the MGM were larger. The results of adsorption kinetics and isothermal adsorption experiments showed that the adsorption
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Gas Storage Model of Residual Coal Adsorption in Abandoned Mine Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-7-31 San Zhao, Xiangjun Chen, Lin Wang, Lin Li
Due to the insufficient accurate evaluation model of gas resources in abandoned mines, the development and utilization of abandoned mine gas resources in China are still in the preliminary exploration stage. To this end, in response to the problem of imprecise assessment of gas resource reserves in the adsorbed state of residual coal, the No. 3 coal seam in Jincheng mine was used as the research object
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Biosorption of Congo Red Dye from Aqueous Solution Using Adsorbent Prepared from Vangueria infausta Fruit Pericarp Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-7-29 Aisha Kitemangu, Maheswara Rao Vegi, Nyemaga Masanje Malima
The adsorption efficiency of acid-treated Vangueria infausta fruit pericarp (VIFP) biosorbent to uptake Congo red (CR) dye was investigated through batch experiments. Optimum conditions for the adsorption process were determined by varying the solution pH, biosorbent dosage, contact time, initial concentration of CR dye, and temperature. Results revealed that the data fits well with the Langmuir isotherm
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Enhanced Adsorptive Removal of Chromium (VI) from Aqueous Solution on Using Aged Refuse: Resource Recovery and Environmental Applications Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-7-22 B. Manimekalai, S. Sivanesan, P. Senthil Kumar
“Aged refuse” corresponds to municipal solid waste material dumped in land, for several years. This solid waste material is chosen as an adsorbent for the current study since it is available abundantly in the state of Tamil Nadu, India, and has not been used for any other applications. The current study was conducted to get rid of the element chromium (VI) from wastewater by using the adsorption process
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Adsorption of Cu(II) and Zn(II) onto Activated Carbon from Oil Palm Empty Fruit Bunch Prepared by Two-Step Acid Treatment and Microwave-Assisted Pyrolysis Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-6-24 Thotsaporn Somsiripan, Chayanoot Sangwichien, Kanogwan Tohdee, Surat Semmad
This study explores the feasibility of biochar-based activated carbon derived from oil palm empty fruit bunch (EFB) as a potential precursor for the preparation of activated carbon via 2-step H3PO4 activation under microwave-assisted pyrolysis (2ACEFB). The characterization of EFB and 2ACEFB was observed by FTIR and BET, and chemical composition was determined using proximate and elemental analysis
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Nanoscale Zero-Valent Iron Dispersed by Sodium Alginate Enables Highly Efficient Removal of Lead (Pb) from Aqueous Solution Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-6-23 Chunli Zheng, Jieling Ren, Fei He, Yingying Yong, Yanhong Tu, Zhenxing Wang
Nanozero-valent iron (NZVI) shows great potential in the remediation of water pollution, but its application is limited by its instability and tendency to aggregate. To enhance the dispersibility and antioxidant properties of NZVI, we prepared composites (SN) by wrapping NZVI with sodium alginate (SA) for the removal of Pb(II) from water. Various characterization methods such as SEM-EDS, BET, XPS,
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Adsorption Thermodynamics, Modeling, and Kinetics Studies for the Removal of Lead Ions Using ZnO Nanorods Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-6-22 Sadia Ata, Anila Tabassum, Ifra Shaheed, Ijaz ul Mohsin, Norah Alwadai, Maryam Al Huwayz, Munawar Iqbal, Arif Nazir
In the present investigation, zinc oxide nanorods (ZnO-NR) were synthesized via the hydrothermal method using ZnCl2 as a zinc ion precursor in the presence of cetyltrimethylammonium bromide. Synthesized ZnO-NR was featured using advanced techniques including XRD, PL, SEM, and UV-visible spectroscopy. The role of these assynthesized ZnO-NR was evaluated for the sequestration of lead ions in batch mode
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Malachite Green Removal by Grape Stalks Biosorption from Natural Waters and Effluents Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-6-14 Eliana S. Lemos, Emiliano F. Fiorentini, Adrián Bonilla-Petriciolet, Leticia B. Escudero
The efficiency of the grape stalk as a biosorbent for the malachite green removal from natural waters and industrial effluents was investigated in this work. For the optimization of experimental variables, a central composite design was used, in which the effect of pH and biosorbent dose was evaluated on biosorption capacity and removal percentage. Optimal parameters of pH 5 and biosorbent dose of
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Predicting the Adsorption Efficiency Using Machine Learning Framework on a Carbon-Activated Nanomaterial Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-6-2 Kalapala Prasad, V. Ravi Kumar, R. Suresh Kumar, A. S. Rajesh, Anjani Kumar Rai, Essam A. Al-Ammar, Saikh Mohammad Wabaidur, Amjad Iqbal, Dawit Kefyalew
Due to the excessive use of paracetamol (PCM), a significant amount of its metabolite has been released into the surroundings, and its removal from the surroundings must happen quickly and sustainably. Multicomponent adsorption modelling is difficult because it is challenging to anticipate the relationships among the adsorbates in this artificial intelligence-based modelling, a choice among different
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Construction of Te-ZnO@S-g-C3N4 Heterojunction Nanocomposites for the Efficient Removal of Methylene Blue, Antifungal Activity, and Adsorption of Cr(VI) Ion Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-5-26 Komal Aroosh, Mohsin Javed, Nadia Hussain, Ahmad Alhujaily, Shahid Iqbal, Mohammed T. Alotaibi, Muhammad Faizan, Muhammad Shuaib Khan, Ali Bahadur, Muhammad Abdul Qayyum, Nasser S. Awwad, Yosef Jazaa, Foziah F. Al-Fawzan, Eslam B. Elkaeed
Heterojunctions have proven to be effective catalysts for removing organic pollutants and heavy metals from wastewater. The following study is also about the formation of 2D heterojunction tellurium-doped zinc oxide composite with sulfur-doped graphitic carbon nitride ([email protected]3N4) by adopting a low-cost, simple, and ecofriendly coprecipitation technique. Thiourea was calcined to prepare S-g-C3N4
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Bar Adsorbent Microextraction with Carbon-Based Sorbent Layers for the Identification of Pharmaceutic Substances Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-5-20 S. Thenmozhi, V. Gowri, K. S. Vinayaka, Ravindra Pratap Singh, V. M. Vel, Kareem Yusuf, Ahmed muteb Aljuwayid, Md Ataul Islam, Abdi Diriba
Thirteen carbon materials were tested as sorbent layers in bar adsorbent microextraction (BAμE) to monitor hint amounts of 10 common pharmaceutical compounds (PhCs) in surface and groundwater matrices such as surface and groundwater, saltwater, spring water, and sewage. The persistence of trace amounts of three organophosphate insect repellent and cis and trans permethrin (PERM) in water quality matrices
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Adsorption Characteristics and Electrochemical Behaviors of Methyl Blue onto Magnetic MgxCoyZn(1-x-y)Fe2O4 Nanoparticles Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-5-15 Zhixiang Lv, Xin Yang, Jihong Han, Yingyao Wang, Jiao Zou, Anqi Yang, Haoda Zhang, Nan He
Magnetic MgxCoyZn(1-x-y)Fe2O4 nanoparticles were successfully prepared by the rapid combustion approach, and SEM, XRD, VSM, EDX, and FTIR techniques were applied for their characterization. The influence of the element ratios (Mg2+, Co2+, and Zn2+) in magnetic MgxCoyZn(1-x-y)Fe2O4 nanoparticles on their properties was explored. To acquire a larger specific surface area for better adsorption of methyl
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Adsorption of Heavy Metals on Bentonitic Soil for Use in Landfill Liners Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-5-12 Daniela Lima Machado da Silva, Maria Eugenia Gimenez Boscov, Marcela de Almeida Costa, Laércio Leal dos Santos, Márcio Camargo de Melo, Veruschka Escarião Dessoles Monteiro
Hazardous heavy metal ions such as copper, zinc, nickel, chromium, cadmium, and lead engender a potential risk to human health. Among the processes involved in the retention of these contaminants, adsorption is advantageous for removing toxic metals because of its environmentally friendly aspect, efficiency, and low-cost operation. Information on the adsorption of heavy metals in soils from the semiarid
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Optimization of Activated Carbon Fiber Preparation from Hemp Fiber through Dipotassium Hydrogen Phosphate for Application of Thermal Storage System Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-21 L. Natrayan, S. Kaliappan, S. Chinnasamy Subramanian, Pravin P. Patil, S. D. Sekar, Y. Sesha Rao, Melkamu Beyene Bayu
With significant benefits over many other commercialised thermal storage methods, activated carbon fiber (ACF) is believed to be among the finest biosorbents for adsorbent purposes. If correctly made, it is an outstanding mesoporous lightweight material with micropores and, in most cases, no micropores. ACF’s higher bulk densities and great dynamic capacity demonstrate its value and are used in adsorbent
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In Situ Forming MnFe2O4/D201 Magnetic Composite Adsorbents for High Selectivity Adsorption and Deep Treatment of As(V) from Wastewater Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-21 Shaopeng Zhang, Jie Ding, Dayong Tian, Feifei Liu, Qiaoling Li, Minghua Lu
A new magnetic adsorbent, namely, MnFe2O4/D201, with deep-treatment ability and high selectivity adsorption for As(V) was prepared. According to isotherm adsorption and kinetics, As(V) adsorption is primarily used for chemical bonding throughout the single-layer adsorbing process. The maximum As(V) adsorption capacity of MnFe2O4/D201 can reach 35.8 mg/g at pH 3. MnFe2O4/D201 also exhibits higher selectivity
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Thermal Adsorption and Mechanical Behaviour of Polypropylene Hybrid Composite Synthesized by Glass/Hemp Fibre via an Injection Moulding Process Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-19 R. Venkatesh, I. Kantharaj, R. Sasikumar, C. Ramesh Kannan, Anupam Yadav, M. Karthigairajan, P. Vivekanandan, Arundeep Murugan
Thermoplastic-based polymers are gathering importance in several engineering fields like electrical, electronic, automotive, aerospace, and structural. The additions of secondary phase reinforcements such as natural and synthetic fibre improve thermoplastic-based polymer’s properties. The thermoplastic and natural fibre combinations are found to have low mechanical strength and incompatibility and
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Evaluation of Thermal Adsorption and Mechanical Behaviour of Intralaminar Jute/Sisal/E-Glass Fibre-Bonded Epoxy Hybrid Composite as an Insulator Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-19 R. Venkatesh, S. Raghuvaran, M. Vivekanandan, C. Ramesh Kannan, T. Thirugnanasambandham, Arundeep Murugan
A thermal gravimetric analyzer analyzed the thermal adsorption properties of developed composites with the temperature range of 28°C–650°C at a 20°C/min constant heat flow rate. The epoxy hybrid composites were synthesized using natural jute/sisal fibre hybridized with the addition of synthetic E-glass fibres at 0-degree, 0/90-degree, and intralaminar orientations through the wet filament-winding process
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Synthesis and Experimental Thermal Adsorption Characteristics of Epoxy Hybrid Composite for Energy Storage Applications Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-17 R. Venkatesh, Roshita David, C. B. Priya, M. Aruna, Gopal Kaliyaperumal, N. Mukilarasan, Avinash Malladi, M. Karthikeyan
Polymer-based matrix hybrid composites meet their demand in various engineering applications and food industries due to their excellent mechanical, thermal, corrosion, and biodegradable performance. The polymer-based hybrid composites have been a better choice for high thermal insulation at low cost. This experiment attempted to find the thermal adsorption characteristics, heat deflection temperature
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Optimization Process of Potassium Carbonate Activated Carbon through Jute-Based Core Materials by Using Artificial Neural Network with Response Surface Methodology Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-17 L. Natrayan, V. R. Niveditha, S. Kaliappan, Pravin P. Patil, C. K. Arvinda Pandian, Y. Sesha Rao, P. Murugan
Potassium carbonate was tested as novel information for producing carbonaceous materials from jute cores. Two quadratic models have been developed for both answers to link the preparatory parameters: activating temperatures, molar ratio, and incubation time. The RSM and ANN models were used to improve the processing conditions to maximise the quantities of iodine and methylene blue penetration. The
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Green Synthesis of Calcium/Iron-Layered Double Hydroxides-Sodium Alginate Nanoadsorbent as Reactive Barrier for Antibiotic Amoxicillin Removal from Groundwater Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-17 Marwa F. Abed, Ayad A. H. Faisal
This work uses a new nanoadsorbent after chemically synthesis from chicken eggshell wastes for removing amoxicillin (AMX) from aqueous solution. This removal was examined as a time function, initial concentration of AMX, pH, agitation speed, and adsorbent dosage. The study achieved the optimum time for equilibration in (90) min, at with an adsorbent dosage of 1.2 g. We applied many kinetic models to
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Photocatalytic Degradation of Methyl Green Dye Mediated by Pure and Mn-Doped Zinc Oxide Nanoparticles under Solar Light Irradiation Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-15 Rizwan Akram, Adeena Fatima, Ziyad M. Almohaimeed, Zahid Farooq, Karwan Wasman Qadir, Qayyum Zafar
Herein this study, pure and manganese- (Mn-) doped ZnO (2 wt. %) nanoparticles have been synthesized using the chemical precipitation method and characterized for the photodegradation of methyl green (MG) pollutant dye under natural sunlight. The structural analysis via XRD patterns has revealed that both intrinsic and Mn-doped ZnO (2 wt. %) samples have hexagonal wurtzite structures with appropriate
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Silicon Dioxide Functionalized with Oxygen–Containing Groups for Enhanced BCl3 Adsorption Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-15 Miaolei Zhang, Jianhua Liu, Guoqiang Huang
Boron chloride in the chlorosilane is hard to remove and directly impacts the quality of polysilicon produced by improved Siemens method. Silicon dioxide functionalized with mannitol and citric acid successfully removed boron chloride in organic solution. The effects of immersion concentration and drying temperature were studied to attain the best adsorption performance. The sorption phenomenon was
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Recovery of Palladium from Acidic Solution Using Polyethylenimine-Crosslinked Calcium Silicate Hydrate Derived from Oyster Shell Waste: Adsorption and Mechanisms Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-15 Su Bin Kang, Zhuo Wang, Sung Wook Won
In this work, a new adsorbent with effective Pd(II) adsorption ability was synthesized using an oyster shell and fumed silica as the matrix materials and polyethyleneimine as the functional ligand. The adsorption performance of the developed adsorbent was evaluated for the recovery of palladium chloride ions (Pd(II)) from strong acid solutions. To understand the characteristics of the materials used
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Carbon-Based Nanoadsorbents for the Removal of Emerging Pollutants Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-15 M. Venkata Ratnam, P. Akilamudhan, K. Senthil Kumar, S. Narasimha Reddy, K. Nagamalleswara Rao, Feroz Shaik, D. M. Reddy Prasad
Emerging contaminants (ECs) are substances that have been detected in water but have not been thoroughly tested or regulated. Pesticides, cosmetics, pharmaceuticals, and other medications are examples of compounds in this category. Even at low quantities, these pollutants can harm human health and the environment; therefore, avoiding them is critical. The consequences of EC pollution on the endocrine
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Employing a Carbon-Based Nanocomposite as a Diffusive Solid-Phase Extraction Adsorbent for Methamphetamine for Therapeutic Purposes Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-14 K. Lakshmi Kala, G. Anbuchezhiyan, Kavitha Pingili, Pradeep Kumar Singh, V. M. Vel, Kareem Yusuf, Ahmed Muteb Aljuwayid, Md Ataul Islam, David Christopher
Due to the obvious minimal doses of drugs in biological matrices as well as the societal difficulties caused by methamphetamine usage, methamphetamine identification is critical in clinical and forensic laboratories. Because of their simple and inexpensive production procedure, as well as their excellent selectivity and sensitivity, polymeric carbon-based nanocomposites are strong contenders for the
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Adsorptive Dephenolization of Aqueous Solutions Using Thermally Modified Corn Cob: Mechanisms, Point of Zero Charge, and Isosteric Heat Studies Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-13 Ositadinma Chamberlain Iheanacho, Joseph Tagbo Nwabanne, Christopher Chiedozie Obi, Chinenye Adaobi Igwegbe, Chijioke Elijah Onu, Irvan Dahlan
The sorption mechanisms, point of zero charge, and isosteric heats involved in the adsorptive dephenolization of aqueous solutions using thermally modified corn cob (TMCC) were studied at different initial phenol concentrations (100–500 mg/l), TMCC dosage (0.4–2.0 g), contact time (5–60 min), pH (2–10), and temperature (30–60°C). Analysis of the adsorbent material showed that it possessed the properties
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Mechanical and Thermal Adsorption Actions on Epoxy Hybrid Composite Layered with Various Sequences of Alkali-Treated Jute and Carbon Fibre Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-4-12 R. Sasikumar, K. Venkadeshwaran, C. Ramesh Kannan, Melvin Victor De Poures, M. Aruna, N. Mukilarasan, Gopal Kaliyaperumal, Arundeep Murugan
Structural applications are accomplished by using a lightweight epoxy matrix bonded with natural jute fibre/synthetic carbon fibre to enhance the physical, mechanical, and thermal properties obtained by different sequences of alkali-treated jute fibre (J.F.)/carbon fibre (C.F.) through conventional hand layup technique. The sequences of the sample are named as H1, H2, H3, and H4 layers of JF/JF/JF/JF
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Adsorption Study and Removal of Basic Fuchsin Dye from Medical Laboratory Wastewater Using Local Natural Clay Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-31 Fuad Hama Sharif Radha, Dler M. S. Shwan, Stephan Kaufhold
Local natural clay from Sulaimani zone-Takiya (TKC), Kurdistan Region of Iraq, was characterized and used for the removal of basic fuchsin (BF) dye from laboratory bacterial wastewater. The characterization of the adsorbent was carried out with XRD, XRF, and FT-IR. The clay sample was dominated by vermiculite. Adsorption tests under different conditions of contact time, pH of the solution, temperature
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Competitive Removal of Perchlorate Ions by Quaternary Amine Modified Reed in the Presence of Nitrate and Phosphate Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-31 Salem Baidas, Khaled Al-Deyain, Xiaoguang Meng, Baoyu Gao
We report a kinetic and equilibrium study in which we examined the removal of perchlorate anions from water by adsorption onto modified reed (MR), an adsorption material constituted by giant reed (GR) particles whose anion adsorption properties have been enhanced by quaternary amine (QA) crosslinking. In particular, we examined how MR adsorption of perchlorate interacts competitively with concomitant
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Thermal Adsorption and Corrosion Characteristic Study of Copper Hybrid Nanocomposite Synthesized by Powder Metallurgy Route Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-30 V. Senthilkumar, A. Nagadeepan, Melvin Victor De Poures, R. Sasikumar, N. Mukilarasan, M. Aruna, C. B. Priya, Gopal Kaliyaperumal, Elangomathavan Ramaraj
Novel constitutions of ceramic bond the new opportunity of engineering materials via solid-state process attaining enhanced material characteristics to overcome the drawback of conventional materials used in aquatic applications. The copper-based materials have great potential to explore high corrosion resistance and good thermal performance in the above applications. The main objectives of this research
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An Economical Modification Method for MIL-101 to Capture Radioiodine Gaseous: Adsorption Properties and Enhancement Mechanism Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-27 Peng Wang, Bing-Bing Qi, Ao-Tian Gu, Kai-Wei Chen, Chun-Hui Gong, Yang Yi
Radioactive iodine is one of the inevitable by-products of nuclear energy application. However, it is a great threat to public health and the adsorbent needs to be adopted for removing the radioactive iodine. The iodine adsorbent needs to have some advantages, such as simple preparation method, low cost, high absorption capacity, and recyclable utilization. In order to meet the above requirements,
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Mesoscopic Process Simulation of In Situ Leaching of Ionic Rare Earth Based on NMRI Technology Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-8 Fuyu Wu, Dan Wang, Yunzhang Rao, Meidao Zhang, Liang Shi, Min Han, Wei Xu
In order to simulate and calculate the leaching process of ionic rare earths more realistically, a digital model of ionic rare earths with real size, shape, seepage channel, and pore ratio and distribution at the mesoscopic scale was constructed based on nuclear magnetic resonance imaging (NMRI) technology. And the in situ leaching mining process was simulated and calculated by using three control
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Sonicating for the Uptake of Paracetamol from Solution by Activated Carbon from Oak: Kinetics, Thermodynamics, and Isotherms Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-3 Alaa M. Al-Ma’abreh, Gada Edris, Mike Kh. Haddad
This inquiry used ultrasonic waves to uptake paracetamol (PA) by using oak-based activated carbon (ACO). The surface of ACO was explored based on FT-IR, SEM, and XRD before and after the adsorption. The kinetic data for PA adsorption onto ACO corresponds to a pseudo-second-order kinetic model. Isothermal models of the Langmuir, Freundlich, D-R, and Temkin were used. The adsorption of PA onto ACO was
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Highly Selective Separation of C2H2/CO2 and C2H2/C2H4 in an N-Rich Cage-Based Microporous Metal-Organic Framework Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-3-1 Lingzhi Yang, Wenpeng Xie, Qiuju Fu, Liting Yan, Shuo Zhang, Huimin Jiang, Liangjun Li, Xin Gu, Dandan Liu, Pengcheng Dai, Qingbin Zheng, Xuebo Zhao
The separation of acetylene (C2H2) from carbon dioxide (CO2) and the purification of ethylene (C2H4) from C2H2 are quite essential processes for the chemical industry. However, these processes are challenging due to their similar physical properties, including molecule sizes and boiling points. Herein, we report an N-rich cage-based microporous metal-organic framework (MOF), [Cd5(Tz)9](NO3) (termed
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Experimental Investigation of the Thermal Expansion Characteristics of Anthracite Coal Induced by Gas Adsorption Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-22 Ran Wang, Xianbo Su, Shiyao Yu, Linan Su, Jie Hou, Qian Wang
The coal matrix can expand after gas adsorption, thus reducing the permeability of coal reservoirs and further affecting the coalbed methane production. Whether the heat released by coal adsorbing gas is a cause of the coal expansion has not yet been determined. Therefore, the anthracite coal with high gas adsorption capacity was used; under the conditions of 35°C and 1-6 MPa, the adsorption capacity
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Recovering the Soybean Hulls after Peroxidase Extraction and Their Application as Adsorbent for Metal Ions and Dyes Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-22 Aleksandra Ivanovska, Biljana Dojčinović, Jelena Lađarević, Leposava Pavun, Dušan Mijin, Mirjana Kostić, Milica Svetozarević
This study is aimed at extending the soybean hulls’ lifetime by their utilization as an adsorbent for metal ions (Cd2+ and Cu2+) and dyes (Reactive Yellow 39 (RY 39) and Acid Blue 225 (AB 225)). ATR-FTIR spectroscopy, FE-SEM microscopy, and zeta potential measurements were used for adsorbent characterization. The effect of the solution’s pH, peroxidase extraction, adsorbent particle size, contact time
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Preparation of Breadfruit Leaf Biochar for the Application of Congo Red Dye Removal from Aqueous Solution and Optimization of Factors by RSM-BBD Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-16 M. Laxmi Deepak Bhatlu, P. S. Athira, Neethu Jayan, Debabrata Barik, Milon Selvam Dennison
In this work, biochar produced from breadfruit leaves was utilized to remove the toxic Congo red dye. XRD, FTIR, and FESEM-EDX were implemented to characterize the biochar. Response surface methodology (RSM) and the Box-Behnken design (BBD) techniques were used to evaluate Congo red’s optimum adsorption efficiency. The adsorption of Congo red was studied by varying dye concentrations (5–50 mg/L), times
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Molecular Simulation on Adsorption Difference of Water and Methane on Long-Flame Coal Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-16 Xiangjun Chen, Siyu Nie, Ningning Kang, San Zhao, Lingling Qi
The adsorption difference of water and methane by long-flame coal is compared and analyzed by molecular simulation. The results show that when the single-component isothermal adsorption pressure is less than 15 MPa, the adsorption capacity of CH4 and H2O increases gradually with the increase of the adsorption pressure, and the average adsorption amount of H2O is much higher than that of CH4; after
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Removal of Nitrate Nitrogen in Groundwater by Attapulgite Loaded with Nano-Zero-Valent Iron Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-15 Yangyang Zhang, Yunfeng Tan, Bo Zu, Xiaotian Zhang, Chunli Zheng, Zishen Lin, Fei He, Kejun Chen
Nano-zero-valent iron (nZVI) can be used to remove nitrate nitrogen (NO3-N) from groundwater. However, it has low reduction efficiency owing to its oxidation and aggregation characteristics. Thus, nZVI-loaded material is used to alleviate these drawbacks. In this study, nZVI-coated attapulgite (ATP) was prepared for the removal of NO3-N from groundwater. ATP-nZVI was prepared using the chemical liquid
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Uptake and Translocation of Cesium in Lettuce (Lactuca sativa L.) under Hydroponic Conditions Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-6 Leiping Shi, Longmiao Yuan, Ruijie Li, Wei Wang, Zhe Ding, Jianjun Liang, Junli Qiu, Ping Li
The uptake of radiocesium (RCs) by plants is key to the assessment of its environmental risk. However, the transfer process of RCs in the water-vegetable system still remains unclear. In this work, the uptake and accumulation processes of Cs+ (0-10 mM) in lettuce were explored under different conditions by using hydroponics. The results showed that the higher exposure concentration of Cs+ could lead
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Fabrication, Properties, and Performance of Polymer-Clay Nanocomposites for Organic Dye Removal from Aqueous Media Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-6 Yao Mawuena Tsekpo, Augustine Nana Sekyi Appiah, Lucas Nana Wiredu Damoah, Daniel Amusah, Ebenezer Annan
Methylene blue dye (MB dye) is a harmful contaminant for wastewater streams of industries and is harmful to human and aquatic life. An ecofriendly sugar templating process was used to generate porous bentonite/polydimethylsiloxane (PB) and porous magnetite nanoparticles/bentonite/polydimethylsiloxane (PBNP) composite absorbents to remove MB dye in this study. During the infiltration of PDMS solution
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Na4P2O7-Modified Biochar Derived from Sewage Sludge: Effective Cu(II)-Adsorption Removal from Aqueous Solution Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-3 Liangqian Fan, Xianda Wang, Jiaxin Miao, Qin Liu, Jie Cai, Xiaochan An, Fenghui Chen, Lin Cheng, Wei Chen, Hongbing Luo, Xiaoxiao Zhang, Ke Zhang, Dandan Ma
With the rapid development of industrialization, the amount of copper-containing wastewater is increasing, thereby posing a threat to the aquatic ecological environment and human health. Sludge biochar has received extensive concern in recent years due to its advantages of low cost and sustainability for the treatment of heavy-metal-containing wastewater. However, the heavy-metal-adsorption capacity
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Optimization of the Fabrication of Sustainable Ceramsite Adsorbent from Coal Fly Ash/Waterworks Sludge/Waste Glass for Decolorization of Malachite Green Adsorp. Sci. Technol. (IF 2.9) Pub Date : 2023-2-3 Weicheng Fang, Xingxing Cheng, Chang-Jung Sun, Hongfei Xiao, Jing Wang
As a traditional dye, malachite green (MG) poses a threat to our environment and health. To decolorize MG, a composite ceramsite adsorbent composed of coal fly ash (CFA), sewage treatment sludge (STS), and waste glass (WG) with a quality ratio of 3 : 3 : 4, respectively, was prepared. The optimal preparation parameters were determined as follows: preheating , sintering , and sintering . Under optimal