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He J, Zhou J, Yang K, Luo L, Wang P, Wang Z, Ma J. Pulsed electric field drives chemical-free membrane stripping for high ammonia recovery from urine. WATER RESEARCH 2024; 251:121129. [PMID: 38237457 DOI: 10.1016/j.watres.2024.121129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/30/2023] [Accepted: 01/10/2024] [Indexed: 02/12/2024]
Abstract
Recovering ammonia from waste streams (e.g., urine) is highly desirable to reduce natural gas-based NH3 production and nitrogen discharge into the water environment. Electrochemical membrane stripping is an attractive alternative because it can drive NH4+ transformation to NH3 via cathodic OH- production; however, the conventional configurations suffer from relatively low ammonia recovery (<80 %) and significant acid/material usage for ammonia adsorption. To this end, we develop a novel stack system that simply uses an oxygen evolution reaction to in-situ produce acid from water, enabling chemical-free ammonia recovery from synthetic urine. In batch mode, the percentage removal and recovery increased respectively from 74.5 % to 97.9 % and 81.8 % to 92.7 % when the electrode pairs increased from 2 to 4 in the stack system. To address the gas-sparging issue that deteriorated ammonia recovery in continuous operation, pulsed electric field (PEF) mode was applied, resulting in ∼100 % recovery under optimized conditions. At an ammonia removal rate of 35.1 g-N m-2 h-1 and electrical energy consumption of 28.9 kWh kg-N-1, our chemical-free system in PEF mode has achieved significantly higher ammonia recovery (>90 %) from synthetic urine. The total cost to recover 1 kg of NH3-N from real human urine was $15.9 in the proposed system. Results of this study demonstrate that this novel approach holds great promise for high ammonia recovery from waste streams, opening a new pathway toward sustainable nitrogen management.
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Affiliation(s)
- Jiazhou He
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou 510006, China
| | - Jieqin Zhou
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou 510006, China
| | - Kui Yang
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou 510006, China; Advanced Interdisciplinary Institute of Environment and Ecology, Beijing Normal University, Zhuhai 519087, China
| | - Liang Luo
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Pan Wang
- Shanghai Municipal Engineering Design Institute Group Co., Ltd., Shanghai 200092, China
| | - Zhiwei Wang
- State Key Laboratory of Pollution Control and Resource Reuse, Advanced Membrane Technology Center of Tongji University, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Jinxing Ma
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou 510006, China.
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2
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Swanckaert B, Loccufier E, Geltmeyer J, Rabaey K, De Buysser K, Bonin L, De Clerck K. Sulfonated silica-based cation-exchange nanofiber membranes with superior self-cleaning abilities for electrochemical water treatment applications. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.123001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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3
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Alavi F, Ciftci O. Purification and fractionation of bioactive peptides through membrane filtration: A critical and application review. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.11.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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4
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Nielsen EN, Skibsted LH, Yazdi SR, Merkel A, Ahrné LM. Improving electrodialysis separation efficiency of minerals from acid whey by nano‐filtration pre‐processing. INT J DAIRY TECHNOL 2022. [DOI: 10.1111/1471-0307.12893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Emilie N Nielsen
- Department of Food Science University of Copenhagen Rolighedsvej 26 1958 Frederiksberg Denmark
| | - Leif H Skibsted
- Department of Food Science University of Copenhagen Rolighedsvej 26 1958 Frederiksberg Denmark
| | - Saeed R Yazdi
- Arla Foods Amba Agro Food Park 19 8200 Aarhus N Denmark
| | - Arthur Merkel
- MemBrain s.r.o. (Membrane Innovation Centre) Pod Vinicí 87, 471 27 Stráž pod Ralskem Czech Republic
- Institute for Nanomaterials, Advanced Technologies and Innovation Technical University of Liberec Studentská 2 461 17 Liberec Czech Republic
| | - Lilia M Ahrné
- Department of Food Science University of Copenhagen Rolighedsvej 26 1958 Frederiksberg Denmark
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De Jaegher B, De Schepper W, Verliefde A, Nopens I. A model-based analysis of electrodialysis fouling during pulsed electric field operation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2021.119975] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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6
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Du H, Xie L, Liu J, Xu S. Concentration of mixed acid by electrodialysis for the intensification of absorption process in acrylic acid production. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2020.07.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Nichka VS, Nikonenko VV, Bazinet L. Fouling Mitigation by Optimizing Flow Rate and Pulsed Electric Field during Bipolar Membrane Electroacidification of Caseinate Solution. MEMBRANES 2021; 11:membranes11070534. [PMID: 34357184 PMCID: PMC8307857 DOI: 10.3390/membranes11070534] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 07/12/2021] [Accepted: 07/12/2021] [Indexed: 11/16/2022]
Abstract
The efficiency of separation processes using ion exchange membranes (IEMs), especially in the food industry, is significantly limited by the fouling phenomenon, which is the process of the attachment and growth of certain species on the surface and inside the membrane. Pulsed electric field (PEF) mode, which consists in the application of constant current density pulses during a fixed time (Ton) alternated with pause lapses (Toff), has a positive antifouling impact. The aim of this study was to investigate the combined effect of three different relatively high flow rates of feed solution (corresponding to Reynolds numbers of 187, 374 and 560) and various pulse-pause ratios of PEF current regime on protein fouling kinetics during electrodialysis with bipolar membranes (EDBM) of a model caseinate solution. Four different pulse/pause regimes (with Ton/Toff ratios equal to 10 s/10 s, 10 s/20 s, 10 s/33 s and 10 s/50 s) during electrodialysis (ED) treatment were evaluated at a current density of 5 mA/cm2. It was found that increasing the pause duration and caseinate solution flow rate had a positive impact on the minimization of protein fouling occurring on the cationic surface of the bipolar membrane (BPM) during the EDBM. Both a long pause and high flow rate contribute to a more effective decrease in the concentration of protons and caseinate anions at the BPM surface: a very good membrane performance was achieved with 50 s of pause duration of PEF and a flow rate corresponding to Re = 374. A further increase in PEF pause duration (above 50 s) or flow rate (above Re = 374) did not lead to a significant decrease in the amount of fouling.
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Affiliation(s)
- Vladlen S. Nichka
- Department of Food Sciences, Laboratoire de Transformation Alimentaire et Procédés ÉlectroMembranaires (LTAPEM, Laboratory of Food Processing and Electromembrane Processes), Dairy Research Center (STELA), Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
- Membrane Institute, Kuban State University, 149 Stavropolskaya Str., 350040 Krasnodar, Russia;
| | - Victor V. Nikonenko
- Membrane Institute, Kuban State University, 149 Stavropolskaya Str., 350040 Krasnodar, Russia;
| | - Laurent Bazinet
- Department of Food Sciences, Laboratoire de Transformation Alimentaire et Procédés ÉlectroMembranaires (LTAPEM, Laboratory of Food Processing and Electromembrane Processes), Dairy Research Center (STELA), Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
- Correspondence: ; Tel.: +1-418-656-2131 (ext. 407445); Fax: +1-418-656-3353
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Elucidating the pH influence on pulsed electric fields-induced self-assembly of chitosan-zein-poly(vinyl alcohol)-polyethylene glycol nanostructured composites. J Colloid Interface Sci 2021; 588:531-546. [PMID: 33429349 DOI: 10.1016/j.jcis.2020.12.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 11/20/2022]
Abstract
HYPOTHESIS The high incompatibility of bio-based materials such as protein and polysaccharides require a series of modifications to develop stable microstructures effectively. By modifying the density and charge of surface residues, pulsed electric fields processing can improve inter/intramolecular interactions, compatibility, and microstructure of bio-based nanostructured composites. EXPERIMENT In this work, the impact of pulsed electric fields at a specific energy of 60-700 kJ/kg (electric field strength = 1.6 kV/cm) on self-assembly of zein-chitosan-poly(vinyl alcohol)-polyethylene glycol composite dispersion was investigated at pH 4.0, 5.7, and 6.8. FINDINGS Superior complex coacervated matrices were assembled at pH 4.0 and 5.7 before and after pulsed electric fields treatment at a specific energy of 390-410 kJ/kg. The compact and homogenous behaviour was attributable to pulsed electric fields-induced alteration of functional group interactions in a pH-dependent manner. Irrespective of the pH, very high electric field intensity caused excessive system perturbation leading to severe fragmentation and poor development of coacervates. The crucial insights from this study reveal that the self-assembly behaviour and integration of biopolymer-based systems possessing different local charges can be enhanced by optimising pulsed electric fields processing parameters and the properties of the colloidal systems such as the pH.
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Gonzalez-Vogel A, Moltedo JJ, Reyes RQ, Schwarz A, Rojas OJ. High frequency pulsed electrodialysis of acidic filtrate in kraft pulping. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 282:111891. [PMID: 33434793 DOI: 10.1016/j.jenvman.2020.111891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/17/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
We introduce high frequency pulsed electrodialysis (hf-pED) to process the acidic filtrate of a Kraft pulp bleaching stage, tested in a pilot trial. Compared with conventional electrodialysis, hf-pED at 2,000 Hz allows a reduction in operational cost by 12%, estimated as 0.54 USD/m3 of acidic filtrate, while simultaneously preventing membrane fouling. The proposed sectorial stream treatment is demonstrated to significantly improve the quality of the final effluent, according to mass balances, making it more suitable for irrigation applications, considering requirements of irrigation norms. Thus, we estimate a reduction of 59, 21, and 20% in the concentration of chloride, sodium, and sulfate, respectively, in the final effluent of a conventional Kraft pulping mill. This strategy is presented as a sustainable and economic solution compared with the desalinization of the whole final effluent.
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Affiliation(s)
- Alvaro Gonzalez-Vogel
- Bioforest S. A., Camino Coronel Km 15, VIII Region, Chile; Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Finland.
| | - Juan J Moltedo
- Bioforest S. A., Camino Coronel Km 15, VIII Region, Chile; Departamento de Ingeniería Civil, Universidad de Concepción, Concepción, Chile
| | | | - Alex Schwarz
- Departamento de Ingeniería Civil, Universidad de Concepción, Concepción, Chile
| | - Orlando J Rojas
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Finland; Bioproducts Institute, Department of Chemical and Biological Engineering, Chemistry and Wood Science, University of British Columbia, 2360, East Mall, Vancouver, BC V6T 1Z3, Canada
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Sun L, Chen Q, Lu H, Wang J, Zhao J, Li P. Electrodialysis with porous membrane for bioproduct separation: Technology, features, and progress. Food Res Int 2020; 137:109343. [DOI: 10.1016/j.foodres.2020.109343] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 05/15/2020] [Accepted: 05/18/2020] [Indexed: 11/26/2022]
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Bazinet L, Geoffroy TR. Electrodialytic Processes: Market Overview, Membrane Phenomena, Recent Developments and Sustainable Strategies. MEMBRANES 2020; 10:E221. [PMID: 32887428 PMCID: PMC7557436 DOI: 10.3390/membranes10090221] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 01/31/2023]
Abstract
In the context of preserving and improving human health, electrodialytic processes are very promising perspectives. Indeed, they allow the treatment of water, preservation of food products, production of bioactive compounds, extraction of organic acids, and recovery of energy from natural and wastewaters without major environmental impact. Hence, the aim of the present review is to give a global portrait of the most recent developments in electrodialytic membrane phenomena and their uses in sustainable strategies. It has appeared that new knowledge on pulsed electric fields, electroconvective vortices, overlimiting conditions and reversal modes as well as recent demonstrations of their applications are currently boosting the interest for electrodialytic processes. However, the hurdles are still high when dealing with scale-ups and real-life conditions. Furthermore, looking at the recent research trends, potable water and wastewater treatment as well as the production of value-added bioactive products in a circular economy will probably be the main applications to be developed and improved. All these processes, taking into account their principles and specificities, can be used for specific eco-efficient applications. However, to prove the sustainability of such process strategies, more life cycle assessments will be necessary to convince people of the merits of coupling these technologies.
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Affiliation(s)
- Laurent Bazinet
- Department of Food Sciences, Laboratoire de Transformation Alimentaire et Procédés ÉlectroMembranaires (LTAPEM, Laboratory of Food Processing and Electromembrane Processes), Institute of Nutrition and Functional Foods (INAF), Dairy Research Center (STELA), Université Laval, Quebec, QC G1V0A6, Canada;
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12
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Andreeva MA, Loza NV, Pis’menskaya ND, Dammak L, Larchet C. Influence of Surface Modification of MK-40 Membrane with Polyaniline on Scale Formation under Electrodialysis. MEMBRANES 2020; 10:membranes10070145. [PMID: 32646071 PMCID: PMC7407481 DOI: 10.3390/membranes10070145] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/02/2020] [Accepted: 07/03/2020] [Indexed: 11/16/2022]
Abstract
A comprehensive study of the polyaniline influence on mineral scaling on the surface of the heterogeneous MK-40 sulfocationite membrane under electrodialysis has been conducted. Current-voltage curves and chronopotentiograms have been obtained and analyzed for the pristine MK-40 membrane and the MK-40 membrane which is surface-modified by polyaniline. The study of the electrochemical behavior of membranes has been accompanied by the simultaneous control of the pH of the solution outcoming from the desalination compartment. The mixture of Na2CO3, KCl, CaCl2, and MgCl2 is used as a model salt solution. Two limiting states are observed on the current-voltage curve of the surface-modified membrane. There is the first pseudo-limiting state in the range of small values of the potential drop. The second limiting current is comparable with that of the limiting current for the pristine membrane. It is shown that chronopotentiometry cannot be used as a self-sufficient method for membrane scaling identification on the surface-modified membrane at high currents. A mineral scale on the surfaces of the studied membranes has been found by scanning electron microscopy. The amount of precipitate is higher in the case of the surface-modified membrane compared with the pristine one.
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Affiliation(s)
- Marina A. Andreeva
- Physical Chemistry Department, Faculty of Chemistry and High Technologies, Kuban State University, 149 Stavropolskaya st., 350040 Krasnodar, Russia; (N.V.L.); (N.D.P.)
- Correspondence:
| | - Natalia V. Loza
- Physical Chemistry Department, Faculty of Chemistry and High Technologies, Kuban State University, 149 Stavropolskaya st., 350040 Krasnodar, Russia; (N.V.L.); (N.D.P.)
| | - Natalia D. Pis’menskaya
- Physical Chemistry Department, Faculty of Chemistry and High Technologies, Kuban State University, 149 Stavropolskaya st., 350040 Krasnodar, Russia; (N.V.L.); (N.D.P.)
| | - Lasaad Dammak
- Institut de Chimie et des Matériaux Paris-Est (ICMPE) UMR 7182 CNRS, Université Paris-Est, 2 Rue Henri Dunant, 94320 Thiais, France; (L.D.); (C.L.)
| | - Christian Larchet
- Institut de Chimie et des Matériaux Paris-Est (ICMPE) UMR 7182 CNRS, Université Paris-Est, 2 Rue Henri Dunant, 94320 Thiais, France; (L.D.); (C.L.)
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Alkalinization of acid whey by means of electrodialysis with bipolar membranes and analysis of induced membrane fouling. J FOOD ENG 2020. [DOI: 10.1016/j.jfoodeng.2019.109891] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Effect of Surface Inhomogeneity of Ion-Exchange Membranes on the Mass Transfer Efficiency in Pulsed Electric Field Modes. MEMBRANES 2020; 10:membranes10030040. [PMID: 32168842 PMCID: PMC7143503 DOI: 10.3390/membranes10030040] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 11/23/2022]
Abstract
Despite the growing interest in pulsed electric field modes in membrane separation processes, there are currently not many works devoted to studying the effect of the surface properties and composition of ion-exchange membranes on their efficiency in these modes. In this paper, we have shown the effect of increasing mass transfer using different kinds of ion-exchange membranes (heterogeneous and homogeneous with smooth, undulated, and rough surfaces) during electrodialysis in the pulsed electric field modes at underlimiting and overlimiting currents. It was found that the maximum increment in the average current is achieved when the average potential corresponds to the right-hand edge of the limiting current plateau of the voltammetric curve, i.e., at the maximum resistance of the system in the DC mode. For the first time, the development of electroconvective vortices was visualized in pulsed electric field modes and it was experimentally shown that even at relatively low frequencies, a non-uniform concentration field is preserved at the time of a pause, which stimulates the rapid development of electroconvection when pulses are switched on again. In the case of relatively high pulse frequencies, the electroconvective vortices formed during a pulse lapse do not completely decay during a pause; they only slightly decrease in size.
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Mei Y, Li X, Yao Z, Qing W, Fane AG, Tang CY. Simulation of an energy self-sufficient electrodialysis desalination stack for salt removal efficiency and fresh water recovery. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117771] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Rudolph G, Virtanen T, Ferrando M, Güell C, Lipnizki F, Kallioinen M. A review of in situ real-time monitoring techniques for membrane fouling in the biotechnology, biorefinery and food sectors. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.117221] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Rybalkina OA, Tsygurina KA, Sarapulova VV, Mareev SA, Nikonenko VV, Pismenskaya ND. Evolution of Current–Voltage Characteristics and Surface Morphology of Homogeneous Anion-Exchange Membranes during the Electrodialysis Desalination of Alkali Metal Salt Solutions. MEMBRANES AND MEMBRANE TECHNOLOGIES 2019. [DOI: 10.1134/s2517751619020094] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ma H, Yue S, Li H, Wang Q, Tu M. Recovery of lactic acid and other organic acids from food waste ethanol fermentation stillage: Feasibility and effects of substrates. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2018.07.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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19
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Zyryanova SV, Butyl’skii DY, Mareev SA, Pis’menskaya ND, Nikonenko VV, Pourcelly G. Effect of Parameters of Pulsed Electric Field on Average Current Density through Nafion 438 Membrane in Electrodialysis Cell. RUSS J ELECTROCHEM+ 2018. [DOI: 10.1134/s1023193518100075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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20
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Application of electro-membrane separation for recovery of acetic acid in lignocellulosic bioethanol production. FOOD AND BIOPRODUCTS PROCESSING 2018. [DOI: 10.1016/j.fbp.2018.02.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Electro-membrane fractionation of antioxidant peptides from protein hydrolysates of rainbow trout (Oncorhynchus mykiss) byproducts. INNOV FOOD SCI EMERG 2018. [DOI: 10.1016/j.ifset.2017.08.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Nikonenko VV, Mareev SA, Pis’menskaya ND, Uzdenova AM, Kovalenko AV, Urtenov MK, Pourcelly G. Effect of electroconvection and its use in intensifying the mass transfer in electrodialysis (Review). RUSS J ELECTROCHEM+ 2017. [DOI: 10.1134/s1023193517090099] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Xing J, Zhang S, Zhang M, Lin S. Analysis of α-helix unfolding in the pine nut peptide Lys-Cys-His-Lys-Pro induced by pulsed electric field. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:4058-4065. [PMID: 28199023 DOI: 10.1002/jsfa.8273] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 02/07/2017] [Accepted: 02/11/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND A variety of analytical techniques were applied to explore the effects of pulsed electric field (PEF) on α-helix structural changes in the novel antioxidant peptide Lys-Cys-His-Lys-Pro (KCHKP, 611.76 Da). RESULTS The relative α-helix content of the KCHKP peptide was significantly altered from 100% to 89.91 ± 0.97% when the electric pulse frequency was 1800 Hz and the field intensity was 10 kV cm-1 . Moreover, the 1,1-diphenyl-2-pycryl-hydrazyl (DPPH) and 2,2-azinobis diammonium salt (ABTS) radical-scavenging activities of PEF-treated KCHKP were increased from 56.31% ± 0.74% to 84.33% ± 1.23% and from 40.56% ± 0.78% to 51.33% ± 0.27%, respectively. CONCLUSION PEF treatment increased peptide linkage stretch vibration and altered hydrogen bonding of KCHKP. The stability of the α-helix structure was influenced by hydrogen bonds within the peptide linkage of KCHKP induced by PEF and was related to changes in antioxidant activity. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Jie Xing
- College of Food Science and Engineering, Jilin University, Changchun, PR China
| | - Sitian Zhang
- College of Food Science and Engineering, Jilin University, Changchun, PR China
| | - Mingdi Zhang
- College of Food Science and Engineering, Jilin University, Changchun, PR China
| | - Songyi Lin
- College of Food Science and Engineering, Jilin University, Changchun, PR China
- School of Food Science and Technology, Dalian Polytechnic University, Engineering Research Center of Seafood of Ministry of Education, Dalian, PR China
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The effect of restriction membranes on mass transfer in an electrodialysis with filtration membrane process. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2016.12.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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