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IMPACT OF LAYERED AND DELAMINATED ZEOLITES ON CATALYTIC FAST PYROLYSIS OF MICROALGAE USING FIXED-BED REACTOR AND PY-GC/MS J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-23 Salman Raza Naqvi; Muhammad Naqvi; Abrar Inayat; Paula Blanco-Sanchez
The aim of this work is to exploit the pyrolysis characteristics of microalgae Botryococcus braunii (BB) with a medium pore framework zeolite (MCM-22) and its delaminated counterpart with a higher external surface area zeolite (ITQ-2) using pyrolysis-gas-chromatography-mass-spectrometry (Py-GC/MS) and a fixed-bed reactor. The study evaluates the effect of synthesized zeolites that possess different
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Preparation and test of a reference mixture of eleven polymers with deactivated inorganic diluent for microplastics analysis by pyrolysis-GC–MS J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-21 Mai Matsueda; Marco Mattonai; Itsuko Iwai; Atsushi Watanabe; Norio Teramae; William Robberson; Hajime Ohtani; Young-Min Kim; Chuichi Watanabe
Analytical pyrolysis coupled to gas chromatography and mass spectrometry (Py-GC–MS) can provide both qualitative and quantitative data on polymer mixtures, but no standardized protocols are available yet for the application of this technique in the field of environmental microplastics analysis. In this paper, we describe the preparation of a mixture of eleven common polymers, that could be used as
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Liquid fuel production via catalytic hydropyrolysis and cohydropyrolysis of agricultural residues and used engine oil J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-18 Sheng-Li Zhang; Feng Wang; Fu-Tian Zhao; Oraléou Sangué Djandja; Pei-Gao Duan; Weihong Yan
Catalytic hydropyrolysis (HP) of crop straw and used engine oil (UEO) alone and co-HP of crop straw and UEO were conducted. Crop straws with higher cellulose contents and cellulose-to-hemicellulose mass ratios produced higher oil yield in the HP process. Positive synergistic effect between crop straw and UEO was observed for improving the pyrolysis oil yield and reducing coke formation and N and S
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A comparison of the thermal conversion behaviour of marine kerogens isolated from oil shales by NaOH-HCl and HCl-HF methods J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-21 Jameel S. Aljariri Alhesan; Mohammad W. Amer; Marc Marshall; W. Roy Jackson; Yi Fei; Martin L. Gorbaty; Peter J. Cassidy; Alan L. Chaffee
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Investigating the evolution of pyrolysis technologies through bibliometric analysis of patents and papers J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-21 Christian Spreafico; Davide Russo
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In situ Study of the Decomposition of Pyrite in Coal during Hydropyrolysis J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-21 Huiling Zhao; Zongqing Bai; Zhenxing Guo; Lingxue Kong; Wei Yuchi; Huaizhu Li; Jin Bai; Wen Li
The thermal behaviours of pure pyrite, pyrite in coal and in situ formed Fe–S compounds under reductive atmospheres were studied over a wide temperature range (room temperature to 1050 °C), using a thermogravimetric analyser (TGA), temperature-programmed reduction coupled with online mass spectrometry (TPR–MS), X-ray diffraction (XRD) and scanning electron microscope equipped with an energy-dispersive
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Two-step catalytic pyrolysis behavior and product distribution of rice husk impregnated with zinc acetate J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-21 Liqiang Zhang; Jiaojiao Liu; Zhengda Yang; Shanshan Li; Xinwei Wang; Riyi Lin
Two-step pyrolysis (TSP) combined with catalyst was proposed to explore a new effective method of biomass utilization. The pyrolysis behavior and TSP characteristic of rice husk (RH) and RH impregnated with zinc acetate (ZnRH) were investigated by TG (thermogravimetric analyzer) and Py-GC/MS (pyrolysis-gas chromatography/mass spectrometry). The effects of zinc acetate on the pyrolysis kinetics and
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EVALUATING FRACTIONAL PYROLYSIS FOR BIO-OIL SPECIATION INTO HOLOCELLULOSE AND LIGNIN DERIVED COMPOUNDS J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-21 Héctor Hernando; Gema Gómez-Pozuelo; Juan A. Botas; David P. Serrano
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Production of hydrogen and valuable fuels from polyethylene terephthalate waste dissolved in phenol reforming and cracking reactions via Ni-Co/CeO2 nano-catalyst J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-20 Walid Nabgan; Bahador Nabgan; Tuan Amran Tuan Abdullah; Aishah Abdul Jalil; Anwar Ul-Hamid; Muhammad Ikram; Abu Hassan Nordin; Alberto Coelho
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Co-pyrolysis for the valorization of food waste and oriental herbal medicine byproduct J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-07 Younghyun Lee; Soosan Kim; Jechan Lee
The pyrolysis of biowaste has become an appealing approach for energy conversion, and a popular research topic for the biomass and bioenergy communities. In this research, the co-pyrolysis of food waste (FW) and herbal medicine byproduct (HMB) (i.e., the byproduct generated from the decoction processing of herbal medicines) was studied as a strategy to valorize and dispose of the biowaste. The effects
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Influence of torrefaction and pyrolysis on engineered biochar and its applicability in defluoridation: Insight into adsorption mechanism, batch adsorber design and artificial neural network modelling J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-07 Krishna Yadav; Sheeja Jagadevan
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Evaluation of the applicability of polymeric materials to BTEX and fine product transformation by catalytic and non-catalytic pyrolysis as a part of the closed loop material economy J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-19 Grzegorz Gałko; Michał Rejdak; Dariusz Tercki; Magdalena Bogacka; Marcin Sajdak
This article presents experimental results on the pyrolysis of different mixtures of polymer waste. ABS copolymer, PET, PP, tire waste styrene-butadiene rubber (SBR) and pure non-vulcanised SBR were used in the experiments under different catalyst conditions: (i) without a catalyst, (ii) with an unmodified ZSM-5 catalyst, (iii) with a ZSM-5 catalyst possessing ammonium groups, and (iv) with a ZSM-5
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Accelerating the oxidative stabilization of pitch fibers and improving the physical performance of carbon fibers by modifying naphthalene-based mesophase pitch with C9 resin J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Zhao Jin; Xiaohua Zuo; Xiangyi Long; Zhengwei Cui; Guanming Yuan; Zhijun Dong; Jiang Zhang; Ye Cong; Xuanke Li
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Custom Pyrolyzer for the Pyrolysis of Chemical Warfare Agents J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-05 Daniel J. Van Buren; Thomas J. Mueller; Christopher J. Rosenker; John A. Barcase; Kelly A. Van Houten
Thermal decomposition studies on a chemical warfare agent (CWA) simulant was performed using a custom built pyrolyzer. The goals of this study were to design, build and evaluate a simple pyrolyzer to meet the safety and security requirements necessary to obtain consistent CWA and CWA simulant pyrolysis data from multiple laboratories around the world. A custom made tubular flow reactor was built, the
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Effect of carbon dioxide environment on the thermal behavior of sugarcane pyrolysis oil J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-16 Javier Ordonez-Loza; Carlos Valdes; Farid Chejne; Manuel Garcia Perez; Wen Zhang; Abdul-Hamid Emwas; S. Mani Sarathy
The integration of new CO2 capture and storage technologies in energy generation processes has led to the development and research in oxy-fuel combustion. In this technology, the carbon footprint is reduced if the fuel comes from a renewable source such as bio-oil (pyrolysis oil derived from biomass). This is a subject of growing interest. In this manuscript, we show bio-oil characterization using
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Analysis of environmental impacts and energy derivation potential of biomass pyrolysis via Piper diagram J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Yoong Xin Pang; Dominic C.Y. Foo; Yuxin Yan; Nusrat Sharmin; Edward Lester; Tao Wu; Cheng Heng Pang
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CFD modeling and experimental validation of biomass fast pyrolysis in a conical spouted bed reactor J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Bahar Hooshdaran; Masoud Haghshenasfard; Seyyed Hossein Hosseini; Mohsen Nasr Esfahany; Gartzen Lopez; Martin Olazar
A 2D Euler-Euler multiphase computational fluid dynamics (CFD) model in conjunction with the kinetic theory of granular flow (KTGF) was applied to describe the biomass pyrolysis in a spouted bed reactor. The primary interest in this work was the development of a CFD hydrodynamic model of the reactor coupled with a pyrolysis kinetic model for the prediction of biomass pyrolysis product yields (gas,
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The effect of carbon structure in chars on Fe migration and its catalytic activity for benzyl phenyl ether decomposition J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Shasha Liu; Jie Zhang; Yishuang Wu; Karnowo; Hong Zhang; Bin Li; Xun Hu; Hongqi Sun; Jianbin Zhou; Yong Huang; Shu Zhang
This study aims to further understand the effect of carbon structure on the physiochemical status of metals and thus its activity during volatile-char interactions. The chars with distinctly different carbon substrates prepared from the pyrolysis of pine sawdust at 400 and 1000 °C were impregnated by different Fe contents, which were used as catalysts for benzyl phenyl ether (BPE, a typical lignin
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Detailed gas-phase kinetics and reduced reaction mechanism for methane pyrolysis involved in CVD/CVI processes J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-17 Vijay M. Shinde; Prashun Pradeep
A detailed gas-phase kinetic model consisting of 37 species and 318 reactions is developed for methane pyrolysis involved in the chemical vapour deposition/infiltration (CVD/CVI) processes. The model was used to perform the simulations of CH4 pyrolysis in a hot-wall CVD reactor over a wide range of operating conditions and validated against the experimental data. The overall trend of the concentration
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Influence of pyrolysis temperature on the characteristics and lead(II) adsorption capacity of phosphorus-engineered poplar sawdust biochar J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Yonggang Xu; Tianxia Bai; Qiao Li; Hongtao Yang; Yubo Yan; Binoy Sarkar; Su Shiung Lam; Nanthi Bolan
Phosphorus (P)–engineered biochars (BCP) were prepared via co-pyrolysis of poplar sawdust and monopotassium phosphate (KH2PO4) (10 %, w/w) at 300 ℃, 500 ℃ and 700 ℃ to evaluate their potential lead [Pb(II)] adsorption. Effects of pH, contact time, and initial Pb(II) concentration on the Pb(II) adsorption capacity of the biochars were investigated. The physico-chemical, morphological, porous structure
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Effect of isopropanolysis on the structure variation and pyrolysis behaviors of Wucaiwan lignite J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Lin Hu; Xian-Yong Wei; Feng-Bin Zhang; Hai-Peng Lv; Mei-Ling Xu; Zhi-Min Zong
Alkanolysis has become an effective approach for lignite extraction due to high organic oxygen content in lignite. To better understand the effect of isopropanolysis on the chemical structure and thermal degradation process of lignite, Wucaiwan lignite (WL) and isopropanolyed residue (RI) were systematically analyzed using four multiple direct tools, including Fourier transform infrared spectrometer
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Pyrolysis mechanism and kinetics of high-performance modified lignin-based epoxy resins J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Xinyu Lu; Haoquan Guo; Han Que; Dandan Wang; Dingxiang Liang; Tao He; Hossain Mahmud Robin; Chaozhong Xu; Xingguang Zhang; Xiaoli Gu
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Microwave-assisted pyrolysis and distillation of cooking oils for liquid bio-fuel production J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-30 Samsudin Anis; Rais Alhakim; Wahyudi; Ahmad Mustamil Khoiron; Adhi Kusumastuti
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Study of rice husk continuous torrefaction as a pretreatment for fast pyrolysis J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-22 Olivia Paniz Fleig; Lucas Manique Raymundo; Luciane Ferreira Trierweiler; Jorge Otávio Trierweiler
Rice husk (RH) is one of the most available biomasses in southern Brazil. One possible solution is to carry out the fast pyrolysis of RH. To improve the quality of liquid products biomass can be torrefied before being pyrolyzed. The influence of torrefaction on the physical and chemical properties of pyrolysis products was explored. Both torrefaction and pyrolysis reactions were performed in a fluidized
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Kinetics and thermodynamics of microalgae residue oxidative pyrolysis based on double distributed activation energy model with simulated annealing method J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2021-01-02 Xiaojuan Guo; Junmeng Cai; Xi Yu
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Experimental studies on n-heptane pyrolytic characteristics in CO2/H2O atmosphere J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-29 Haowen Li; Xiaohan Wang; Xing Li; Yi Su; Shicheng Zhang; Qianshi Song; Zhaofan Tang
The pyrolysis experiments of n-heptane in the CO2/H2O atmosphere were carried out in a millimeter-sized tube reactor. Mass yields and molar concentrations of gaseous products, including C2H4, C3H6, H2, CO, CH4, and C2H6, were obtained at a temperature range of 1073−1373 K, and atmospheric pressure. The pyrolysis characteristics of n-heptane under different reaction atmospheres and residence times were
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Catalytic co-liquefaction of sugarcane bagasse and polyethylene for bio-oil production under supercritical conditions: Effect of catalysts J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-20 Humair Ahmed Baloch; M.T.H Siddiqui; Sabzoi Nizamuddin; N.M. Mubarak; Mohammad Khalid; M.P Srinivasan; G.J Griffin
Catalytic co-liquefaction of high-density polyethylene and sugarcane bagasse over metal salt and oxide catalysts in ethanol solvent was investigated. The obtained bio-oil samples were analyzed and characterized by gas chromatography–mass spectroscopy (GC–MS), nuclear magnetic resonance (NMR), ultimate analysis (CHNS/O), Fourier transform infrared spectroscopy (FTIR) and different solid products characterized
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Transforming biomass tar into a highly active Ni-based carbon-supported catalyst for selective hydrogenation-transalkylation of guaiacol J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-11 Tong Li; Hao Li; Guoming Huang; Xinhui Shen; Siqi Wang; Chunli Li
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Influence of temperature on accessible pyrolysis pathways of homopolymerized bisphenol A/F epoxies and copolymers J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-25 Derek B. Dwyer; Sara B. Isbill; Jennifer L. Niedziela; Roger J. Kapsimalis; Douglas C. Duckworth
Understanding the thermal pyrolysis of epoxies and their copolymers is important for identifying structural changes resultant from thermal transients, enabling identification of failure modes of high-performance composite materials. This work expands our understanding of the thermal pyrolysis of cured epoxies and the role of temperature and composition on products, pathways, and relative rates. Numerous
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Preparation of powdered activated coke for SO2 removal using different coals through a one-step method under high-temperature flue gas atmosphere J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-03 Tao Wang; Binxuan Zhou; Cheng Li; Tianming Xu; Jiapeng Fu; Chunyuan Ma; Zhanlong Song
Powdered activated coke (PAC) used for SO2 adsorption can be prepared using pulverized coal through a one-step method under a high-temperature flue gas atmosphere, and the PAC performance is significantly affected by the coal type. In this study, five coals with different ranks were used to prepare the PACs through this method in a drop-tube reactor. The pore structures, bulk densities, surface morphologies
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FeN@N-doped graphitic biochars derived from hydrothermal-microwave pyrolysis of cellulose biomass for fuel cell catalysts J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-03 Hung-Chih Kuo; Yan-Gu Lin; Chao-Lung Chiang; Shou-Heng Liu
Iron-nitrogen moieties encapsulated in the N-doped graphitic and hierarchical biochars are derived from the hydrothermal pyrolysis and microwave NH3 activation of cellulose and lignin. The physicochemical properties of these biochars are identified by using various analytical instruments and their application as electrocatalysts in oxygen reduction reaction (ORR) is also evaluated in alkaline solution
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Enhanced antioxidant activity of aqueous phase bio-oil by hydrothermal pretreatment and its structure-activity relationship J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-03 Xincheng Lu; Jianchun Jiang; Kang Sun; Yunjuan Sun; Weihong Yang
The antioxidant activity and the structure-activity relationship of aqueous phase bio-oil (APBO), obtained from hydrothermal treatment (HTT) combined with pyrolysis of biomass, have been investigated in this study. HTT increased the relative content of phenolic compounds and reduced the relative content of acids. Phenolic compounds possessed as the dominant chemical components in APBO, representing
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Mechanism of hydrothermal conversion of xylose to furfural in methanol solution: a study based on experiment and density functional theory J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-18 Xiaoxue Cheng; Ding Jiang; Xun Hu; Bahram Barati; Yamin Hu; Lili Qian; Shuang Wang; Hongping Li
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Pyrolysis temperature effect on compositions of basic nitrogen species in Huadian shale oil using positive-ion ESI FT-ICR MS and GC-NCD J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-01 Da Cui; Ji Li; Xu Zhang; Ling Zhang; Hongyun Chang; Qing Wang
Positive-ion electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR MS) and gas chromatography-nitrogen chemiluminescence detection (GC-NCD) was used to study the effect of pyrolysis temperature (400℃, 430℃, 460℃, 490℃, and 520℃) on basic nitrogen compounds in Huadian shale oil. Because of the effect of secondary cracking, the relative contents of aliphatic
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Characterisation of pyrolysis kinetics and detailed gas species formations of engineering polymers via reactive molecular dynamics (ReaxFF) J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-09-28 T.B.Y. Chen; A.C.Y. Yuen; B. Lin; L. Liu; A.L.P. Lo; Q.N. Chan; J. Zhang; S.C.P. Cheung; G.H. Yeoh
One of the major limiting factors in fire modelling involving solid pyrolysis of polymer materials is the fundamental understanding of thermal degradation process from solid fuel to gas volatiles. This also brings along other challenges such as the characterisation of the parent combustion fuel in the gas-phase chemical reaction process. To bridge the knowledge gap, this article proposes a methodology
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The Influence of Lignocellulose on Biomass Pyrolysis Product Distribution and Economics via Steady State Process Simulation J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-03 Yoong Xin Pang; Yuxin Yan; Dominic C.Y. Foo; Nusrat Sharmin; Haitao Zhao; Edward Lester; Tao Wu; Cheng Heng Pang
Pyrolysis is one of the most commonly used methods for deriving renewable energy from biomass and is the first step of many thermal processes. A simulation model was developed in SuperPro Designer (SPD) to simulate the pyrolysis of biomass and its individual lignocellulosic components. The model was used to study the pyrolytic behaviours of biomass, predict product yield and to investigate the economic
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Production of aromatic hydrocarbons from catalytic pyrolysis of Huadian oil shale using ZSM-5 zeolites as catalyst J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-12-02 Zhibing Chang; Yang Qu; Zhiyuan Gu; Lingmei Zhou; Rong Li; Zhen Sun; Min Xu; Mo Chu
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Effect of different pre-treatments and addition of plastic on the properties of bio-oil obtained by pyrolysis of greenhouse crop residue J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-12 I. Iáñez-Rodríguez; M.A. Martín-Lara; G. Blázquez; M. Calero
The bio-oil properties and yields during pyrolysis at 400, 500 and 600 °C of the residues from the cultivation of the pepper in greenhouse (Capsicum annuum L.) were studied. Different solid samples were investigated: the biomass fraction of the residue, the water-washed biomass sample, the cobalt-loaded biomass sample and three mixtures made with the biomass and plastic fractions of the residue. Results
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Promotion of monocyclic aromatics by catalytic fast pyrolysis of biomass with modified HZSM-5 J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-23 Qian Liu; Jingzhen Wang; Jun Zhou; Zuowei Yu; Kaige Wang
The present study proposes biomass torrefaction combined with catalytic pyrolysis to simplify the liquid products and selectively generate aromatic hydrocarbons. Cedarwood was selected as the representative biomass sample. The torrefaction of cedarwood at 250ºC and 300°C (TB250 and TB300) was carried out to determine the solid product yield and its composition. It was shown that TB250 yielded the highest
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Transformation of nitrogen, sulfur and chlorine during waste tire pyrolysis J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-22 Zhanjun Cheng; Miao Li; Jiantao Li; Fawei Lin; Wenchao Ma; Beibei Yan; Guanyi Chen
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Preparation of porous biochar by urine assisted pyrolysis of sewage sludge and their application for Eriochrome Black T adsorption J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-12 Lin Gu; Guangxia Dong; Haixiang Yu; Kai Zhang; Xiangyu Lu; Haifeng Wen; Ting Zou
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Microwave-assisted fast pyrolysis of waste tires: Effect of microwave power on products composition and quality J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-21 Wang Bing; Zheng Hongbin; Dewang Zeng; Fu Yuefeng; Qiu Yu; Xiao Rui
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Evaluation of thermoanalytical methods equipped with evolved gas analysis for the detection of microplastic in environmental samples J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-04 C. Goedecke; D. Dittmann; P. Eisentraut; Y. Wiesner; B. Schartel; P. Klack; U. Braun
Microplastic particles are currently detected in almost all environmental compartments. The results of detection vary widely, as a multitude of very different methods are used with very different requirements for analytical validity. In this work four thermoanalytical methods are compared and their advantages and limitations are discussed. One of them is thermal extraction-desorption gas chromatography
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Assessment of activated carbon fibers from commercial Kevlar® as nanostructured material for gas storage: Effect of activation procedure and adsorption of CO2 and CH4 J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-08 Giuseppe Conte; Sara Stelitano; Alfonso Policicchio; Francesco Demetrio Minuto; Victor Lazzaroli; Francesco Galiano; Raffaele G. Agostino
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Influence of briquetting on thermal behavior of bituminous coal oxidized during storage J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-02 Valentina Zubkova; Andrzej Strojwas
Mini-briquettes of three types were studied with respect to their influence on the changes in volume of the carbonized charge of an oxidized coal. The briquettes were prepared from the same coal with additives in the amount of 2 wt%. The loading of briquettes with coal pitch, novolac, and lignite into the charge reduced the increase in charge volume at the stage of grain swelling quadruple, thrice
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Valorization of humin type byproducts from pyrolytic sugar conversions to biobased chemicals J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-27 R.M. Abdilla-Santes; S. Agarwal; X. Xi; H. Heeres; P.J. Deuss; H.J. Heeres
The pyrolytic sugar fraction, obtained by an aqueous extraction of pyrolysis oil, is an attractive source for sugar-derived platform chemicals. However, solids (humin) formation occurs to a significant extent during hydrolysis and subsequent acid-catalyzed conversion processes. In this study, we report investigations on possible conversion routes (pyrolysis, liquefaction) of such humin byproducts to
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Comparative study on the two-step pyrolysis of different lignocellulosic biomass: Effects of components J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-24 Liqiang Zhang; Zhengda Yang; Shanshan Li; Xinwei Wang; Riyi Lin
To investigate the effects of components on the two-step pyrolysis (TSP) of lignocellulosic biomass, the comparative study on TSP of walnut shell (WS), cotton stalk (CS), corncob (CC) and their acid washed samples (AWS, ACS, ACC) was conducted by TG-FTIR and Py-GC/MS. TG-FTIR analysis showed that the higher lignin content of WS lead to the lowest weight loss. CS and CC had higher content of holocellulose
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Alterations in Mediterranean mussel (Mytilus galloprovincialis) composition exposed to cyanotoxins as revealed by analytical pyrolysis J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-02 Leticia Diez-Quijada; Flavio L. de Oliveira; Ángeles Jos; Ana M. Cameán; Ramón Aparicio-Ruiz; Victor Vasconcelos; Alexandre Campos; Francisco J. González-Vila; José A. González-Pérez
Cylindrospermopsin (CYN) and Microcystin-LR (MC-LR) are biotoxins produced by cyanobacteria species that, due to climate change and water eutrophication, proliferate together with an increase of the associated cyanotoxins. Both toxins are usually found in the aquatic environment and filter feeding organisms such as mussels are particularly exposed which may be the cause of metabolic alterations. In
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Screening of inexpensive and efficient catalyst for microwave-assisted pyrolysis of ship oil sludge J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-02 Ying Yu; Chunying Yang; Jinming Li; Yimin Zhu; Zhiyu Yan; Haijun Zhang
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Co-upgrading of biomass and polyethylene -derived volatiles for organic liquid over Ru, Ti, Sn/HZSM-5 coupled with NTP technology J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-04 Yongsheng Fan; Guangxi Hou; Yonglian Xiong; Chuanjie Chen; Weidong Zhao
Co-upgrading of biomass and polyethylene -derived volatiles was conducted over HZSM-5 and its metal-modified versions, and NTP was introduced to enhance the conversion. The effects of metal species on the active radicals, organic yields, properties and compositions were explored. The Ru and Ti species, especially the low-valence titanium-oxides, increased atomic radicals, relieved the bottleneck of
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Catalytic ketonization of levoglucosan over nano-CeO2 for production of hydrocarbon precursors J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-11-02 Hao Zhou; Muhammad Asif Akhtar; Yiling Wan; Kuan Ding; Roger Ruan; Hong Zhang; Shu Zhang
As one of the major products from cellulose pyrolysis, levoglucosan (LG) is highly oxygenated and stubborn, causing serious problems to bio-oil utilization. In this study, catalytic ketonization of LG over nano-CeO2 was performed in a pyrolyzer-gas chromatography/ mass spectrometry (PY-GC/MS) system to prepare hydrocarbon precursors (principally ketones). Nano-CeO2 has been proven effective to convert
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Effect of coal ranks on light aromatics production during reforming of pyrolysis volatiles over HZSM-5 under Ar and H2-assisted atmospheres J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-24 Xue-Yu Ren; Shi-Xuan Zhao; Jing-Pei Cao; Xiao-Yan Zhao; Xiao-Bo Feng; Yang Li; Ji Zhang; Zhi-Hao Wang; Hong-Cun Bai
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Correlations between the compressive strength of the hydrochar pellets and the chemical components: Evolution and densification mechanism J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-20 Zhongyao Cao; Shouyu Zhang; Xiaohe Huang; Hongyu Liu; Mengyuan Sun; Junfu Lyu
Hydrochars of cotton stalk (CS) at the hydrothermal temperature of 180−280 °C and the retention time of 0−120 min were used for the purpose of developing fuel pellets. Subsequently, the physical properties and combustion characteristics of the hydrochar pellets were evaluated to assess the solid biofuel production potential. Then, the hydrochar samples were analyzed by FTIR, TGA, XRD, and SEM, aiming
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Taking advantage of the excess of thermal naphthas to enhance the quality of FCC unit products J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-09-30 Roberto Palos; Alazne Gutiérrez; María L. Fernández; M. Josune Azkoiti; Javier Bilbao; José M. Arandes
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Exploring catalytic pyrolysis of Palm Shell over HZSM-5 by gas Chromatography/mass spectrometry and photoionization mass spectrometry J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-06 Qi Niu; Jinglan Wang; Sirong He; Yanan Zhu; Xiamin Chen; Zhanjun Cheng; Yang Pan; Hongyu Dong; Beibei Yan; Guanyi Chen; Frederik Ronsse
The catalytic pyrolysis characteristics of palm shell were investigated using pyrolysis-gas chromatography/mass spectrometry (py-GC/MS) and pyrolysis photoionization mass spectrometry (py-PIMS) methods. Temperature-programmed results and time-evolved profiles of major products, such as alkenes, aromatics, furans, and phenols were measured. Temperature and catalysts can effectively influence the pyrolysis
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EPR detection of key radicals during coking process of lignin monomer pyrolysis J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-09 Qingguo Zhou; Zhongyang Luo; Guoxiang Li; Simin Li
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Kinetic analysis of waste tire pyrolysis with metal oxide and zeolitic catalysts J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-10 Boyu Qu; Aimin Li; Yi Qu; Tian Wang; Yun Zhang; Xin Wang; Yuan Gao; Weng Fu; Guozhao Ji
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Pyrolysis behavior and product distribution of exinite submacerals J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-18 Lei Liu; Meili Du; Gang Li; Jinwen Fan; Yuchu Cai
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Effects of MgCl2 and Mg(NO3)2 loading on catalytic pyrolysis of sawdust for bio-oil and MgO-impregnated biochar production J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-24 Shuping Zhang; Jiaxing Wang; Shuguang Zhu; Xinzhi Liu; Yuanquan Xiong; Huiyan Zhang
For high-quality utilization of biomass resources, co-production of bio-oil and MgO-impregnated biochar from catalytic pyrolysis of Mg-loaded biomass samples is a prospective approach. In this study, the effects of MgCl2 and Mg(NO3)2 loading on catalytic pyrolysis of sawdust for production of high value-added bio-oil and biochar, as well as the catalytic pyrolysis process mechanism were explored. The
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Elucidating hydrochar morphology and oxygen functionality change with hydrothermal treatment temperature ranging from subcritical to supercritical conditions J. Anal. Appl. Pyrol. (IF 3.905) Pub Date : 2020-10-25 Nepu Saha; Kyle McGaughy; M. Toufiq Reza