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  • Oil-In-Water Microemulsion Liquid Chromatography
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-11-19
    Ester Peris-García; Nikita Pankajkumar-Patel; María José Ruiz-Angel; Samuel Carda-Broch; María Celia García-Alvarez-Coque

    Oil-in-water microemulsions (O/W MEs) are obtained spontaneously by mixing two immiscible liquids (water and oil) in the presence of a surfactant. A co-surfactant is also often needed for ME stabilization. The surfactant provides a microstructure with a definite boundary between oil and water phases. O/W MEs are used as mobile phases in a chromatographic mode known as microemulsion liquid chromatography

    更新日期:2020-02-20
  • Gas-Particle Cyclonic Separation Dynamics: Modeling and Characterization
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-10-25
    Bingtao Zhao; Dongshen Wang; Yaxin Su; Hua-Lin Wang

    As a stationary intensification processing technology, cyclonic separation has been widely used for multiphase gas-particle separation in the fields of fluidized processing, energy utilization, material synthesis and aerosol classification. The mathematical characterization of gas-particle dynamics inside a cyclone separator is vital in implementing performance prediction, structural design, parameter

    更新日期:2020-02-20
  • Lipases: From Production to Applications
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2019-01-11
    Natália B. Melani; Elias B. Tambourgi; Edgar Silveira

    Lipases (triacylglycerol hydrolases E.C. 3.1.1.3) are enzymes produced by mammals, plants, fungi and bacteria that catalyze the hydrolysis of triacylglycerols into glycerol and fatty acids. Lipases are versatile in lipid biotechnology due to their selective properties, which have been applied in recent years in emulsifiers, pharmaceuticals, cosmetics, flavors, fragrances, as well as for the pretreatment

    更新日期:2020-02-20
  • Current Advances in Separation and Purification of Second-Generation Lactic Acid
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2019-04-01
    Regiane Alves De Oliveira; Maria Alexandri; Andrea Komesu; Joachim Venus; Carlos Eduardo Vaz Rossell; Rubens Maciel Filho

    Lactic acid is an important chemical as starting chiral material in various applications. It has increased value in the global market. Different studies have presented the possibility to obtain rich lactic acid solutions with high isomeric purity (S-form) from second-generation (2G) feedstocks. The used downstream process is crucial, not only in terms of the overall cost but also for the achievement

    更新日期:2020-02-20
  • Membrane-Based Technologies for the Up-Concentration of Municipal Wastewater: A Review of Pretreatment Intensification
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-06-06
    Thiago A. Nascimento; Fernando Fdz-Polanco; Mar Peña

    Municipal wastewater has a high content of recoverable energy, distributed within particulate and soluble organic matters. It is estimated that the anaerobic treatment of that content and the recovery of biogas energy could supply at least enough power to render a wastewater treatment plant electrically self-sufficient. Therefore, an intensification of wastewater pretreatment could separate and concentrate

    更新日期:2019-12-17
  • Bio-Inspired Supramolecular Membranes: A Pathway to Separation and Purification of Emerging Pollutants
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-08-13
    Faran Nabeel; Tahir Rasheed; Muhammad Bilal; Chuanlong Li; Chunyang Yu; Hafiz M. N. Iqbal

    Supramolecular membranes based separation and/or purification is an emerging technology with tunable capabilities for several applications. The proposed applications include water desalination, wastewater treatment, and separation and purification of emerging pollutants alleviating the global issue of freshwater scarcity. Advanced water purification and separation methods are required on priority to

    更新日期:2019-12-17
  • Membrane-based Separation in Flow Analysis for Environmental and Food Applications
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-08-20
    Inês C. Santos; Raquel B. R. Mesquita; António O. S. S. Rangel

    Membrane-based separation techniques have been used as an efficient process for analyte separation or enrichment and matrix removal. By coupling these techniques to flow-based analysis, sample preparation and analyte detection can be automated and miniaturized. Different membrane separation techniques are available but the most used in flow analysis are gas diffusion, dialysis, supported liquid membranes

    更新日期:2019-12-17
  • ASTM Standard Modified Fouling Index for Seawater Reverse Osmosis Desalination Process: Status, Limitations, and Perspectives
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-09-19
    Yongxun Jin; Hyunkyung Lee; Chanhyuk Park; Seungkwan Hong

    Fouling indices have been extensively investigated in membrane applications, for evaluating the feed-water fouling potential and providing guidelines for the pretreatment process. For the past few decades, the silt density index (SDI) has been adopted as the most mature fouling index in many seawater reverse osmosis desalination plants. Recently, a modified fouling index (MFI) has gained attention

    更新日期:2019-12-17
  • Boron Removal from Silicon Using Secondary Refining Techniques by Metallurgical Method
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-10-01
    Jijun Wu; Ding Yang; Min Xu; Wenhui Ma; Qiang Zhou; Zhenfei Xia; Yun Lei; Kuixian Wei; Shaoyuan Li; Zhenjie Chen; Keqiang Xie

    Impurity removal, the purification process from metallurgical grade silicon (MG-Si) required to obtain solar grade silicon (SoG-Si), is crucial to the preparation of silicon-based solar cells. Some processes for boron removal by metallurgical method were reviewed. Secondary refining techniques, including gas blowing, slag treatment, plasma refining, solvent refining and other refining silicon techniques

    更新日期:2019-12-17
  • Removal of Radionuclides from Fukushima Daiichi Waste Effluents
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2019-01-10
    Jukka Lehto, Risto Koivula, Heikki Leinonen, Esko Tusa, Risto Harjula

    This paper describes the processes used at the Fukushima Daiichi plant, Japan, to purify the waste effluents generated in the cooling of damaged reactors. These include primary cesium removal with the Kurion zeolite system and the SARRY system utilizing silicotitanate to remove radiocesium from water recirculated to reactors for cooling. Another process is the ALPS system to purify the retentates of

    更新日期:2019-01-10
  • Quantitative Analysis of Artemisinin Derivatives: Applications and Techniques
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-12-28
    Lili Zhang, Yanyan Jiang, Ning Li, Yiqiong Pu, Tong Zhang, Bing Wang

    Research on artemisinin and its derivatives (ARTDs) were initiated due to their outstanding anti-malarial effects. In the past few decades, considerable efforts have been made to extend the clinical applications of ARTDs. However, some ARTDs have a low aqueous solubility, short half-life in vivo and instability due to an endoperoxide bridge in their structures that also contributes to a poor bioavailability

    更新日期:2018-12-28
  • Economic Framework of Membrane Technologies for Natural Gas Applications
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-10-25
    V. Martin-Gil, M.Z. Ahmad, R. Castro-Muñoz, V. Fila

    Natural gas is one of the most highly used resources, not only as a fuel but also as a raw material for many industrial processes. In addition, it is an environmental friendly fuel due to its lower greenhouse gas emission than that of coal or oil. However, it is a nonrenewable energy source and the quality of the available resources is expected to deplete continuously. In this scenario, membrane technologies

    更新日期:2018-10-25
  • EOV Editorial board
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-09-20

    (2018). EOV Editorial board. Separation & Purification Reviews: Vol. 47, No. 4, pp. 355-355.

    更新日期:2018-09-20
  • Separation Technologies for Salty Wastewater Reduction in the Dairy Industry
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-07-23
    G. Q. Chen, S. L. Gras, S. E. Kentish

    The wastewater discharged by cheese manufacturing processes is highly saline. This waste is generated from whey demineralization, chromatography and clean-in-place processes. Salty effluent can be diluted with other effluents and discharged as trade waste but the high salinity can trigger penalties imposed by local water authorities. Alternatively, such waste can be sent to evaporation ponds, but in

    更新日期:2018-07-23
  • Microfiber Nonwovens as Potential Membranes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-05-31
    Yasar Kiyak, Benoît Mazé, Behnam Pourdeyhimi

    This article provides an overview of the membrane bioreactor technology where nonwovens can be applied as an alternative medium for separation. The main objective is to identify the nonwoven characteristics leading to higher removal efficiency, higher flux, and lower fouling behavior. The general limitations associated with common nonwoven separation media are related to the large pore and wide pore

    更新日期:2018-05-31
  • Nanoporous Materials as H2S Adsorbents for Biogas Purification: a Review
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-05-24
    Antonio Peluso, Nicola Gargiulo, Paolo Aprea, Francesco Pepe, Domenico Caputo

    Biogas is one of the most promising renewable sources of energy. However, it is also a gas mixture containing acidic gases, such as H2S, useless for energetic purposes, environmentally harmful and damaging for energy conversion devices. This review focuses on nanoporous materials as adsorbents of H2S for biogas purification processes. Cation-exchanged zeolites and impregnated activated carbons have

    更新日期:2018-05-24
  • Natural Surfactants and Their Applications for Heavy Oil Removal in Industry
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-05-22
    Nathalia Maria P. Rocha e Silva, Hugo M. Meira, Fabíola Carolina G. Almeida, Rita de Cássia F. Soares da Silva, Darne G. Almeida, Juliana M. Luna, Raquel D. Rufino, Valdemir A. Santos, Leonie A. Sarubbo

    The cleaning of machinery, petroleum storage tanks and equipment leads to the accumulation of petroleum products in the environment. The removal of grease adhered to motors is a specific challenge. Cleaning processes require direct application of surfactants or solvents, which most often generate further environmental problems due to the accumulation of these toxic substances. The majority of available

    更新日期:2018-05-22
  • Techno-Economic Feasibility Analysis for Minor Elements Valorization from Desalination Concentrates
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-05-09
    Paloma Ortiz-Albo, Saúl Torres-Ortega, María González Prieto, Ane Urtiaga, Raquel Ibañez

    Water and raw materials scarcity are challenges that our society faces today. Seawater desalination has become essential for the supply of fresh water mainly due to the development of seawater reverse osmosis (SWRO). The depletion of conventional extractable resources and the increase in the use of certain metals encourage the development of nonconventional sources. Attending to the increasing global

    更新日期:2018-05-09
  • On the Performance of Free Radicals Combined Electrocoagulation Treatment Processes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-04-09
    Zakaria Al-Qodah, Mohammad Al-Shannag

    The electrocoagulation (EC) combined treatment processes have shown promising performances in which the removal of pollutants from industrial wastewater was greatly enhanced. The integration of a free radical producing step with EC has been considered as one of these new combinations that show synergy and improvements in the overall cleaning process performance. This review is devoted to discuss and

    更新日期:2018-04-09
  • Recent trends in replacement of disperser solvent in dispersive liquid-liquid microextraction methods
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-04-09
    Hassan Sereshti, Parisa Khorram, Nina Nouri

    Since its innovation in 2006, the dispersive liquid-liquid microextraction (DLLME) method has attracted the attention of analytical chemists in the field of sample preparation. This method has been successfully applied to determine trace amounts of pollutants in various matrices, but the restriction in the choice of suitable disperser and extraction solvents, and high disperser solvent consumption

    更新日期:2018-04-09
  • Recent Applications of Molecularly Imprinted Polymers in Analytical Chemistry
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-04-06
    Muhammad Imran Malik, Huma Shaikh, Ghulam Mustafa, Muhammad Iqbal Bhanger

    The increased complexity of sample matrices resulted in the requirement of specific and sensitive molecular recognition systems. Although molecular imprinting is an old idea, its potential as molecular recognition tool in analytical chemistry has been revived in recent times. This review intended to comprehensively discuss and evaluate the recent progress in the applications of molecularly imprinted

    更新日期:2018-04-06
  • Processes developed for the separation of europium (Eu) from various resources
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-03-30
    Archana Kumari, Manis Kumar Jha, Devendra Deo Pathak, Sanchita Chakravarty, Jae-chun Lee

    Europium (Eu), one of the most significant rare earth (RE) elements, has wide applications as functional material in phosphor production, majorly used in fluorescent lamps, computer monitors, televisions etc. Eu is one of the three divalent lanthanides (along with Yb and Sm) having a reduction potential higher than −2 V. This possibility of Eu reduction is attributed to a relatively stable half-filled

    更新日期:2018-03-30
  • Fundamentals of 2, 4 Dichlorophenoxyacetic Acid Removal from Aqueous Solutions
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-03-19
    Nikhilesh S. Trivedi, Sachin A. Mandavgane

    Herbicides are widely used in farmlands worldwide. However, after their application on farmlands, they accumulate in high amounts in continental and marine waters. Herbicides are endocrine disruptors, and are known to cause toxicity, carcinogenicity and mutagenicity. Besides, they also spoil the taste and odor of water bodies. To prevent these effects, it is necessary to perform an in-depth study on

    更新日期:2018-03-19
  • Separation and purification of scandium: From industry to medicine
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-01-26
    Krystyna Pyrzyńska, Krzysztof Kilian, Mateusz Pęgier

    Scandium and its compounds are used in many modern industrial fields due to its unique chemical and physical properties. It is mainly recovered from residues and wastes in the production of other metals. The exploitation of the ores and wastes could contaminate water and soil creating environmental problems. This paper discusses recent developments and tendencies in scandium separation, purification

    更新日期:2018-01-26
  • Recent Developments and Applications of Three-Phase Partitioning for the Recovery of Proteins
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-01-18
    Kit Wayne Chew, Tau Chuan Ling, Pau Loke Show

    Three-phase partitioning (TPP) is rapidly developing as a novel bioseparation technique for the separation and purification of biomolecules. TPP has been applied in a wide range of applications including enzyme stability and enhancement of its catalytic activity. The partitioning into three phases is mainly dependent on the concentration of alcohol and salt used. TPP provides high enzyme recovery and

    更新日期:2018-01-18
  • Optimizing Geometric Parameters in Hydrocyclones for Enhanced Separations: A Review and Perspective
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2018-01-05
    Long Ni, Jinyi Tian, Tao Song, Yongson Jong, Jianing Zhao

    Hydrocyclones have been extensively applied for solid–liquid or liquid–liquid separations in various industries. However, the exact mechanisms underlying the enhanced separation technologies based on the optimization of geometric parameters of hydrocyclones remain unclear, and a number of research teams have performed numerous studies to enlarge the application scope of hydrocyclones by optimizing

    更新日期:2018-01-05
  • Synthesis and Applications of Functionalized Magnetic Nanomaterials in Enantioseparation
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-12-26
    Xiaojuan Deng, Wenbin Li, Guosheng Ding, Tao Xue, Xiaoping Chen

    Efficient enantioselective separation is a challenging task due to the identical physical and chemical properties of enantiomers. Functionalized magnetic nanomaterials modified with chiral ligands on their surface possess both magnetic property and chiral recognition ability, and have demonstrated great potential in chiral discrimination. This review summarizes the applications of magnetic nanomaterials

    更新日期:2017-12-26
  • Surface-Modified Nanocomposite Membranes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-12-19
    Sonia R. Lakhotia, Mausumi Mukhopadhyay, Premlata Kumari

    Access to enough clean and safe water requires improvement over the current state of filtration technology. Membrane technology is one of the best tools for removing dissolved matters and/or particulates during the cleaning process, but some unavoidable intrinsic properties, like flux decline and fouling, reduce the membrane life, stability and separation capacity. To improve membrane performances

    更新日期:2017-12-19
  • “Smart” Polymers: Physicochemical Characteristics and Applications in Bio-Separation Strategies
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-12-07
    Gustavo Hernández-Vargas, César Alejandro Ponce-Ponce de León, José González-Valdez, Hafiz M. N. Iqbal

    In recent years, smart polymers (SPs), which are also referred to as bio-responsive polymers, have gained considerable attention as a unique class of polymers and their applications have been increasing significantly. These so-called “smart” polymers, either synthetic or biological, have been defined as “polymers designed to respond or undergo physical and structural conformational changes/rearrangement

    更新日期:2017-12-07
  • Regeneration of Chitosan-Based Adsorbents for Eliminating Dyes from Aqueous Solutions
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-12-06
    Mohammadtaghi Vakili, Shubo Deng, Lu Shen, Danna Shan, Dengchao Liu, Gang Yu

    Chitosan and its derivatives are effective for adsorbing dye molecules from aqueous solutions. However, their use can be limited by environmental concerns on their fate after adsorbent saturation. Desorbing dye molecules and regenerating adsorbents are alternatives to disposing spent adsorbent. In this review, most research topics related to regenerating chitosan-based adsorbents for dye removal are

    更新日期:2017-12-06
  • Inorganic Membranes for Hydrogen Separation
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-12-04
    Simão P Cardoso, Ivo S Azenha, Zhi Lin, Inês Portugal, Alírio E Rodrigues, Carlos M Silva

    Hydrogen, one of the most promising energy carriers for the future, is currently produced mainly by natural gas reforming or coal gasification, where mixtures containing H2, CO2 and contaminants like CO, H2S and CH4 are obtained. Among other methods, membrane technology has received special attention due to its potential efficiency for hydrogen separation, simplicity of operation, low energy consumption

    更新日期:2017-12-04
  • Inorganic Ion Exchangers for Cesium Removal from Radioactive Wastewater
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-12-04
    Bruno R Figueiredo, Simão P Cardoso, Inês Portugal, João Rocha, Carlos Manuel Silva

    Ion exchange is a proven process for radioactive wastewater decontamination, where inorganic sorbents are ideal due to their thermal, chemical and radiation stability. This review focuses on the removal of Cs+ by inorganic exchangers, viz. zeolites, titanosilicates, hexacyanoferrates metal oxides and hydrous metal oxides, bentonite/clays and the key family of ammonium phosphomolybdates (AMPs). The

    更新日期:2017-12-04
  • Recent Advancements in the Architecting Schemes of Zinc Oxide-Based Photocatalytic Assemblies
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-10-31
    Muhammad Imran Din, Jawayria Najeeb, Ghazia Ahmad

    In recent times, leakage of the organic pollutants into water reserves because of the uncontrolled and ill-planned industrial development was regarded as one of the most fundamental worldwide concerns. The hazardous and deleterious effects associated with these pollutants demand the invention of effective degradation methodologies, which could be industrially employed prior to the discharge of industrial

    更新日期:2017-10-31
  • Ion Exchange in Hydrometallurgical Processing: An Overview and Selected Applications
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-10-03
    Kathryn C. Sole, Michael B. Mooiman, Edmund Hardwick

    Ion exchange has traditionally been employed for the purification of water and the removal of metal contaminants from dilute waste streams. More recently, its use in removing trace metallic impurities from hydrometallurgical process streams (with typical background metal concentrations of 50–100 g/L) has increased substantially. It is also used as a primary recovery and concentration unit operation

    更新日期:2017-10-03
  • Back to BAC: Insights into Boronate Affinity Chromatography Interaction Mechanisms
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-09-25
    Maria Betzabeth Espina-Benitez, Jérôme Randon, Claire Demesmay, Vincent Dugas

    Boronate affinity chromatography (BAC) is commonly used in sample preparation techniques for its specific selectivity for cis-diol-containing compounds. Various chromatographic materials based on phenyl-boronic acid (PBA) functionalization have been designed. This review aims to present the versatility of the underlying BAC mechanisms. The PBA moiety presents secondary/complementary/interfering interactions

    更新日期:2017-09-25
  • Treatment and Disposal of Pharmaceutical Wastewater: Toward the Sustainable Strategy
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-09-11
    Parimal Pal

    The literature on the treatment of pharmaceutical wastewater over the period 1990–2015 has been reviewed to develop a sustainable treatment strategy. Analysis of the existing methods for treatment and disposal practices of pharmaceutical waste has been undertaken on the classification of the treatment methods under well-identified broad specific groups. The review reveals the associated merits and

    更新日期:2017-09-11
  • Analysis of Polyphenols in Honey: Extraction, Separation and Quantification Procedures
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-08-16
    Ana Pascual-Maté, Sandra M. Osés, Miguel A. Fernández-Muiño, M. Teresa Sancho

    Polyphenols are secondary plant metabolites playing a major role as potentially functional components. They can also be used for honey authentication. This review gathers the recent literature references about honey extraction procedures, as well as instrumental analysis of phenolic compounds found in honey. Liquid-Liquid extraction is widely used for both extraction and purification purposes, with

    更新日期:2017-08-16
  • Perspective and Roadmap of Energy-Efficient Desalination Integrated with Nanomaterials
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-07-13
    P. S. Goh, A. F. Ismail, T. Matsuura

    Desalination is known to be one of the most sustainable solutions for water treatment to provide fresh water for many water-stressed communities and industrial sectors. As the integration of nanotechnology with desalination processes is most likely to dominate the future research attention and desalination market, this manuscript presents state-of-the-art review on the enabling of cutting edge desalination

    更新日期:2017-07-13
  • Chiral Stationary Phases Based on Small Molecules: An Update of the Last 17 Years
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-07-11
    Carla Fernandes, Ye’ Zaw Phyo, Ana Sofia Silva, Maria Elizabeth Tiritan, Anake Kijjoa, Madalena M.M. Pinto

    A literature survey covering the report on Pirkle-type chiral stationary phases (CSPs) from January 2000 to March 2017 is presented in this review. More than 200 CSPs comprising small molecules as chiral selectors covalently bound to the chromatographic support have been reported in this period. The chemical nature of these new chiral selectors, new insights into the development strategies and their

    更新日期:2017-07-11
  • Comparing Branched versus Straight-chained Monoamide Extractants for Actinide Recovery
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-07-10
    Kevin McCann, Jessica A. Drader, Jenifer C. Braley

    Separations of used nuclear fuel at the engineered scale have generally been completed using the Plutonium Uranium Redox Extraction (PUREX) process. The PUREX process uses tributyl phosphate (TBP) as an extractant to recover uranium and plutonium. While the TBP extractant has proven effective at recovering U and Pu at the engineered scale, TBP is potentially vulnerable to third phase formation and

    更新日期:2017-07-10
  • Correlation between Performances of Hollow Fibers and Flat Membranes for Gas Separation
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-06-09
    Xiao Yuan Chen, Serge Kaliaguine, Denis Rodrigue

    This work presents an attempt at correlating the available permeability/selectivity literature data for hollow fibers and flat membranes. Therefore, this paper gathers the information pertaining to membrane materials for which membrane properties of flat membranes and hollow fibers have both been reported. An overview of the relations between selectivity and permeance of hollow fiber membranes for

    更新日期:2017-06-09
  • Microfluidic Screening of Circulating Tumor Biomarkers toward Liquid Biopsy
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-05-22
    Nanjing Hao, John X.J. Zhang

    The development of early and personalized diagnostic protocol with rapid response and high accuracy is considered the most promising avenue to advance point-of-care testing for tumor diagnosis and therapy. Given the growing awareness of the limitations of conventional tissue biopsy for gathering tumor information, considerable interest has recently been aroused in liquid biopsy. Among a myriad of analytical

    更新日期:2017-05-22
  • Recent Applications of Molecularly Imprinted Polymers (MIPs) on Micro-extraction Techniques
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-05-16
    Guizhen Li, Kyung Ho Row

    Microextraction is considered as one of the most critical steps in the entire analytical process because it can effectively remove interference and pre-concentrate the target analytes. Molecularly imprinted polymers (MIPs) are synthetic polymers with a predetermined selectivity for a given analyte, or group of structurally related compounds, which are excellent materials for sample preparation in the

    更新日期:2017-05-16
  • Extractive Desulfurization of Gas Oils: A Perspective Review for Use in Petroleum Refineries
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-03-29
    Sunil Kumar, Vimal Chandra Srivastava, Shrikant Madhusudan Nanoti

    Refineries process a number of gas oils such as straight run gas oil (SRGO), light cycle gas oil, coker gas oil and visbreaker gas oil for producing a common gas oil pool to be used as a transportation fuel. Considering stringent sulfur standards, new strategies and design modifications are being evaluated for desulfurization of these gas oils with minimum loss of oil during the desulfurization process

    更新日期:2017-03-29
  • Recent Advances in Protein Extraction Using Ionic Liquid-based Aqueous Two-phase Systems
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-03-03
    Sze Ying Lee, Ianatul Khoiroh, Chien Wei Ooi, Tau Chuan Ling, Pau Loke Show

    Since its inception in 2003, ionic liquid (IL)-based aqueous two-phase system (ATPS) has been perceived to give a boost to the application of ATPS in protein separation. Given the green and tunable nature of ILs, the functionality of IL-ATPS can be well designed to suit the specificities required by the bioseparation field. Aside from the conventional imidazolium-based ILs, the types of IL investigated

    更新日期:2017-03-03
  • Progress in Analytical Techniques for Determination of Urine Components
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-02-23
    Grażyna Gałęzowska, Monika Cieszynska-Semenowicz, Emilia Okrągła, Katarzyna Szychowska, Lidia Wolska

    Human urine is one of the most important fluids providing useful information about the body condition. The composition of urine can be used to monitor disease treatment, as a diagnostic tool in clinical chemistry and in the evaluation of occupational or environmental exposure. The chemical composition of urine is complex and shows a high variation of matrix elements. Therefore, the analysis of urine

    更新日期:2017-02-23
  • Adsorption Studies of Methyl Tert-butyl Ether from Environment
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-01-31
    Mohammadtaghi Vakili, Mohd Rafatullah, Babak Salamatinia, Mahamad Hakimi Ibrahim, Norli Ismail, Ahmad Zuhairi Abdullah

    The widespread use of methyl tert-butyl ether (MTBE) as a gasoline oxygenate additive has resulted in the presence of MTBE in the environment. This compound is considered as one of the main components of water pollution. Adsorption has received a lot of attention for the removal of MTBE from water. This review paper summarizes the results of adsorption feasibility of different adsorbent for the elimination

    更新日期:2017-01-31
  • Purification of Lactic Acid Produced by Fermentation: Focus on Non-traditional Distillation Processes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2017-01-05
    Andrea Komesu, Maria Regina Wolf Maciel, Johnatt Allan Rocha de Oliveira, Luiza Helena da Silva Martins, Rubens Maciel Filho

    Lactic acid is commonly used in a wide range of fields such as cosmetics, pharmaceutical products, chemistry and food. During the last years, its use for new applications such as production of biodegradable and biocompatible polymers, green solvents and oxygenated chemicals have received considerable attention. However, the relatively high production cost of lactic acid hinders many large-scale applications

    更新日期:2017-01-05
  • Occurrence and Removal of Engineered Nanoparticles in Drinking Water Treatment and Wastewater Treatment Processes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-12-28
    Chang Min Park, Kyoung Hoon Chu, Namguk Her, Min Jang, Mohammed Baalousha, Jiyong Heo, Yeomin Yoon

    The increase in use of engineered nanoparticles (ENPs) ends up in waste streams, and consequently to the environment and drinking water resources. Thus, there is a continuing need to detect and quantify ENPs in water. Understanding ENPs occurrence and behavior in aquatic environments is also required to assess the associated environmental impact. Indeed, insufficient water and wastewater treatment

    更新日期:2016-12-28
  • State-of-the-Art Materials and Spinning Technology for Hemodialyzer Membranes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-11-30
    Anirban Roy, Sirshendu De

    Hemodialysis provides the life support system for patients suffering from end-stage renal syndrome (ESRD). This review presents the historical development of different polymeric materials used for the synthesis of dialysis membranes. Initially, cellulose acetate and its derivatives formed the bases of polymeric materials for dialysis membranes, followed by polyacrylonitrile, polysulfone and others

    更新日期:2016-11-30
  • Solvent Extraction and Its Applications on Ore Processing and Recovery of Metals: Classical Approach
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-31
    Y.A. El-Nadi

    Solvent extraction is widely employed in a variety of industries for both the upgrading and purification of a range of elements and chemicals. The technology is used in applications as diverse as ore processing, pharmaceuticals, agriculture, industrial chemicals, petrochemicals, food industry, purification of base metals and refining of precious metals. This review deals with the basics of solvent

    更新日期:2016-10-31
  • Analysis of Amino Acids and Related Compounds by Capillary Electrophoresis
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-24
    Luc Denoroy, Sandrine Parrot

    For more than two decades, capillary electrophoresis (CE) was found to be a powerful tool in the separation of low molecular weight charged compounds, such as amino acids (AA). This article provides an overview on the current status of CE for analyzing AAs and their metabolites in biological and nonbiological samples. A survey of works published during the last 20 years is presented, underlining the

    更新日期:2016-10-24
  • Pd-Based Membranes for Hydrogen Separation: Review of Alloying Elements and Their Influence on Membrane Properties
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-05
    Julio J. Conde, Marta Maroño, José María Sánchez-Hervás

    Dense palladium membranes have increasing interest for ultra-pure hydrogen production compared to established technologies such as pressure swing adsorption and cryogenic distillation, allowing the separation in one step with no associated energy consumption. Alloying elements are used in combination with palladium in these membranes to change the membrane properties. This article presents a review

    更新日期:2016-10-05
  • Recent Advances in Membrane-Aided Extraction and Separation for Analytical Purposes
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-05
    Luís Moreira Gonçalves, Inês Maria Valente, José António Rodrigues

    Sample preparation is a step of huge importance in many modern analytical methodologies; it is often the limiting step. Within this context, the use of membranes has been an interesting research field. Several studies have been performed to make them suitable alternatives to replace more traditional procedures. The advantages of the use of membranes are simplicity, innocuousness, low-cost and easy

    更新日期:2016-10-05
  • Mixed Matrix Membranes for Water Purification Applications
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-03
    Danial Qadir, Hilmi Mukhtar, Lau Kok Keong

    Membrane technology has been utilized for water purification application for a long time. Both polymeric and ceramic membranes have been center of interest for their tremendous contribution in this area. Despite their advantages, these synthetic membranes have limitations in terms of performance and durability. To meet the new demands and standards, mixed matrix membranes (MMM) have gained serious

    更新日期:2016-10-03
  • Desublimation for Purification and Transporting UF6: Process Description and Modeling
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-03
    Aleksey A. Orlov, Alexandr F. Tsimbalyuk, Roman V. Malyugin

    This review presents an analytical overview of the different types of condensers called desublimators for purifying uranium hexafluoride from raw gas mixtures in the sublimation plant. Their advantages and disadvantages are shown. The specificity of the UF6 desublimation process required in the transport containers heading to enrichment or separation plants is reflected. The most effective versions

    更新日期:2016-10-03
  • Nanomaterial-Based Adsorbent: Promises, Opportunities, and Challenges to Develop Column Chromatography Radionuclide Generators for Nuclear Medicine
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-10-03
    Ashutosh Dash, Rubel Chakravarty

    Although a wide range of separation techniques are used for preparation of radionuclide generators, the low pressure column chromatography technique has dominated the field significantly. In this technique, the adsorbent remains at the ‘heart’ of the system holding the parent radionuclide and this represents the cornerstone for its success. Although this strategy constitutes a successful paradigm for

    更新日期:2016-10-03
  • Use of Sulfate-Reducing and Bioelectrochemical Reactors for Metal Recovery from Mine Water
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-09-26
    Pirjo Isosaari, Mika Sillanpää

    The cleaning of large volumes of metal-loaded water formed at closed and active mine sites can be a valuable resource of metals. Active treatment processes are needed to recover these metals for reuse and for better environmental protection of recipient waters. This review evaluates the mechanisms of metal removal and recovery and practical feasibility of mine water treatment in two bioreactor systems:

    更新日期:2016-09-26
  • L-Asparaginase Purification
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-09-21
    Louise L. Tundisi, Diego F. Coêlho, Beatriz Zanchetta, Patricia Moriel, Adalberto Pessoa Jr., Elias B. Tambourgi, Edgar Silveira, Priscila G. Mazzola

    L-asparaginase (L-ASNase) is the gold standard enzyme used to treat acute lymphoblastic leukemia. This disease primarily affects children; however, treatment increases survival from 20% to 90%. As a bioproduct, it is obtained via a biotechnological process and its purification usually consists of several steps that account for up to 80% of the total production costs. This review discusses available

    更新日期:2016-09-21
  • Acetic Acid Production and Purification: Critical Review Towards Process Intensification
    Sep. Purif. Rev. (IF 4.714) Pub Date : 2016-09-21
    Parimal Pal, Jayato Nayak

    The 1980–2015 literature has been critically reviewed to examine how acetic acid manufacturing practice has progressed over these 35 years and whether this important organic acid manufacturing sector is on the right track to ensure sustainable business. Amidst growing environmental awareness and emerging regulations all over the world, a paradigm shift in production strategy in favor of green processes

    更新日期:2016-09-21
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