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Siddique MS, Lu H, Xiong X, Fareed H, Graham N, Yu W. Exploring impacts of water-extractable organic matter on pre-ozonation followed by nanofiltration process: Insights from pH variations on DBPs formation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 876:162695. [PMID: 36898544 DOI: 10.1016/j.scitotenv.2023.162695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 03/03/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
This study investigated the influence of pH (4-10) on the treatment of water-extractable organic matter (WEOM), and the associated disinfection by-products (DBPs) formation potential (FP), during the pre-ozonation/nanofiltration treatment process. At alkaline pH (9-10), a rapid decline in water flux (> 50 %) and higher membrane rejection was observed, as a consequence of the increased electrostatic repulsion forces between the membrane surface and organic species. Parallel factor analysis (PARAFAC) modeling and size exclusion chromatography (SEC) provides detailed insights into the WEOM compositional behavior at different pH levels. Ozonation at higher pH significantly reduced the apparent molecular weight (MW) of WEOM in the 4000-7000 Da range by transforming the large MW (humic-like) substances into small hydrophilic fractions. Fluorescence components C1 (humic-like) and C2 (fulvic-like) exhibited a predominant increase/decrease in concentration for all pH conditions during pre-ozonation and nanofiltration treatment process, however, the C3 (protein-like) component was found highly associated with the reversible and irreversible membrane foulants. The ratio C1/C2 provided a strong correlation with the formation of total trihalomethanes (THMs) (R2 = 0.9277) and total haloacetic acids (HAAs) (R2 = 0.5796). The formation potential of THMs increased, and HAAs decreased, with the increase of feed water pH. Ozonation markedly reduced the formation of THMs by up to 40 % at higher pH levels, but increased the formation of brominated-HAAs by shifting the formation potential of DBPs towards brominated precursors.
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Affiliation(s)
- Muhammad Saboor Siddique
- State Key Laboratory of Environmental Aquatic Chemistry, Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Hongbo Lu
- Power China Huadong Engineering Corporation Limited, Hangzhou, Zhejiang 311122, People's Republic of China.
| | - Xuejun Xiong
- State Key Laboratory of Environmental Aquatic Chemistry, Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, People's Republic of China
| | - Hasan Fareed
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Nigel Graham
- Department of Civil and Environmental Engineering, Imperial College London, South Kensington Campus, London SW7 2AZ, UK.
| | - Wenzheng Yu
- State Key Laboratory of Environmental Aquatic Chemistry, Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, People's Republic of China.
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Szymański K, Mozia S, Ayral A, Brosillon S, Mendret J. Hybrid system coupling ozonation and nanofiltration with functionalized catalytic ceramic membrane for ibuprofen removal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:69042-69053. [PMID: 37129828 DOI: 10.1007/s11356-023-27225-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 04/21/2023] [Indexed: 05/03/2023]
Abstract
The investigations on the removal of ibuprofen (IBU) in a hybrid system coupling ozonation and nanofiltration with functionalized catalytic ceramic membrane are presented. The gaseous ozone into feed water in concentration of 11 g Nm-3 was supplied. Positive influence of catalytic ozonation on ibuprofen decomposition was observed. The application of catalytic nanofiltration membrane led to the ibuprofen removal of 91% after the first 15 min from the beginning of the O3/NF process, while at the same time, for the pristine membrane, it was equal to 76%. The investigations revealed incomplete degradation of drug under pH 3 after 2 h, i.e., 89%. On the other hand, the addition of inorganic salts did not affect the catalytic ibuprofen removal efficiency. Under acidic pH, the highest permeate flux decline (26%) was noted, whereas no differences between permeate flux measured under natural and alkaline conditions were observed. During the treatment process, three IBU by-products were detected, which significantly affected the permeate toxicity; however, after 2 h of catalytic nanofiltration, the product of treatment process was found as non-toxic.
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Affiliation(s)
- Kacper Szymański
- Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Pułaskiego 10, 70-322, Szczecin, Poland.
| | - Sylwia Mozia
- Department of Inorganic Chemical Technology and Environment Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Pułaskiego 10, 70-322, Szczecin, Poland
| | - Andre Ayral
- Institut Européen des Membranes, IEM - UMR 5635, ENSCM, CNRS, Univ Montpellier, Place Eugène Bataillon, Montpellier, France
| | - Stephan Brosillon
- Institut Européen des Membranes, IEM - UMR 5635, ENSCM, CNRS, Univ Montpellier, Place Eugène Bataillon, Montpellier, France
| | - Julie Mendret
- Institut Européen des Membranes, IEM - UMR 5635, ENSCM, CNRS, Univ Montpellier, Place Eugène Bataillon, Montpellier, France
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Razali MC, Wahab NA, Sunar N, Shamsudin NH. Existing Filtration Treatment on Drinking Water Process and Concerns Issues. MEMBRANES 2023; 13:285. [PMID: 36984672 PMCID: PMC10051433 DOI: 10.3390/membranes13030285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/27/2023] [Accepted: 02/22/2023] [Indexed: 06/18/2023]
Abstract
Water is one of the main sources of life's survival. It is mandatory to have good-quality water, especially for drinking. Many types of available filtration treatment can produce high-quality drinking water. As a result, it is intriguing to determine which treatment is the best. This paper provides a review of available filtration technology specifically for drinking water treatment, including both conventional and advanced treatments, while focusing on membrane filtration treatment. This review covers the concerns that usually exist in membrane filtration treatment, namely membrane fouling. Here, the parameters that influence fouling are identified. This paper also discusses the different ways to handle fouling, either based on prevention, prediction, or control automation. According to the findings, the most common treatment for fouling was prevention. However, this treatment required the use of chemical agents, which will eventually affect human health. The prediction process was usually used to circumvent the process of fouling development. Based on our reviews up to now, there are a limited number of researchers who study membrane fouling control based on automation. Frequently, the treatment method and control strategy are determined individually.
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Affiliation(s)
- Mashitah Che Razali
- Faculty of Electrical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal, Melaka 76100, Malaysia
- Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
| | - Norhaliza Abdul Wahab
- Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
| | - Noorhazirah Sunar
- Faculty of Electrical Engineering, Universiti Teknologi Malaysia, Johor Bahru 81310, Malaysia
| | - Nur Hazahsha Shamsudin
- Faculty of Electrical Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal, Melaka 76100, Malaysia
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Impact of Pre-Ozonation during Nanofiltration of MBR Effluent. MEMBRANES 2022; 12:membranes12030341. [PMID: 35323816 PMCID: PMC8953743 DOI: 10.3390/membranes12030341] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/30/2022]
Abstract
This study aimed to investigate the impact of real MBR effluent pre-ozonation on nanofiltration performances. Nanofiltration experiments were separately run with non-ozonated real MBR effluent, ozonated real MBR effluent and synthetic ionic solution mimicking the ionic composition of the real MBR effluent. The specific UV absorbance and the chemical oxygen demand were monitored during ozonation of real effluent, and the mineralization rate was calculated through the quantitative analysis of dissolved organic carbon. The membrane structure was characterized using SEM on virgin and fouled membrane surfaces and after different cleaning steps. The results confirm the low effect of the ozonation process in terms of organic carbon mineralization. However, the chemical oxygen demand and the specific UV absorbance were decreased by 50% after ozonation, demonstrating the efficiency of ozonation in degrading a specific part of the organic matter fraction. A benefic effect of pre-ozonation was observed, as it limits both fouling and flux decrease. This study shows that the partial mineralization of dissolved and colloidal organic matter by ozonation could have a positive effect on inorganic scaling and decrease severe NF membrane fouling.
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Du Z, Ji M, Li R. Enhancement of membrane fouling mitigation and trace organic compounds removal by electric field in a microfiltration reactor treating secondary effluent of a municipal wastewater treatment plant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:151212. [PMID: 34715231 DOI: 10.1016/j.scitotenv.2021.151212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/13/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
Applying an electric field in the membrane filtration was an effective method to alleviate membrane fouling and enhance the trace organic compounds (TrOCs) removal. The secondary effluent of a municipal wastewater treatment plant was used as feed water to evaluate the performance of the electric field coupled microfiltration system. Applying a 1.25 V voltage reduced 22.9% membrane fouling by electrophoretic force, and the membrane fouling was alleviated by 70.8% at 3 V by electrochemical oxidation and electric field force. At 3 V, active chlorine and hydroperoxide generated on the electrodes and the acidic environment formed around the anode significantly inhibited the growth of microorganisms and their attachment on the membrane surface, and thus reduced the membrane fouling formed by microorganisms. Electrochemical oxidation also removed the protein in wastewater and changed the main organic components of membrane fouling from microorganisms, protein, and polysaccharide to humic substances and polysaccharide. Furthermore, the electrophoretic force and acidic environment reduced the electrostatic repulsion of humic substances and made them tend to aggregate and form hydrophilic porous fouling structures, which obviously lowered filtration resistance and showed significant membrane fouling mitigation. Also, the electric field effectively enhanced the removal of target TrOCs through electrochemical oxidation and electric field force improving the elimination of TrOCs from 8.5% ~ 26.1% at 0 V to 35.9% ~ 84.8% at 3 V.
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Affiliation(s)
- Zhen Du
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, PR China
| | - Min Ji
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, PR China
| | - Ruying Li
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, PR China.
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Effect of Radio-Frequency Treatment on the Changes of Dissolved Organic Matter in Rainwater. WATER 2022. [DOI: 10.3390/w14010111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Rainwater is a potential source of drinking water, but has various components of dissolved organic matter (DOM). DOM is a reservoir of potential hazards in drinking water. Therefore, a new method is required to purify rainwater as a drinking water source in terms of DOM aspects. A radio-frequency (RF) treatment system is introduced here to purify source water with a small possibility of contamination. RF is generated by applying a frequency of 1.5 MHz through a glass reactor with a diameter of 2 mm which is wrapped by a 2 mm copper wire. The results demonstrate that UV260 value and dissolved organic carbon (DOC) are reduced during RF treatment. DOC was reduced by a lower amount compared to UV260, suggesting the partial transformation of bio-refractory DOM. A fluorescence excitation-emission matrix showed that humic-like substances in rainwater were reduced faster than protein-like ones, indicating that humic-like substances are susceptible to reduction by RF treatment. The results offer information on the use of RF treatment in a rainwater purification process for the production of drinking water.
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Liu J, Fan Y, Sun Y, Wang Z, Zhao D, Li T, Dong B, Tang CY. Modelling the critical roles of zeta potential and contact angle on colloidal fouling with a coupled XDLVO - collision attachment approach. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119048] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Ouali S, Loulergue P, Biard PF, Nasrallah N, Szymczyk A. Ozone compatibility with polymer nanofiltration membranes. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118656] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Veréb G, Kassai P, Nascimben Santos E, Arthanareeswaran G, Hodúr C, László Z. Intensification of the ultrafiltration of real oil-contaminated (produced) water with pre-ozonation and/or with TiO 2, TiO 2/CNT nanomaterial-coated membrane surfaces. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:22195-22205. [PMID: 32060831 PMCID: PMC7293663 DOI: 10.1007/s11356-020-08047-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
In the present study, commercial PES, PVDF, PTFE ultrafilter membranes, and two different nanomaterial (TiO2 and TiO2/CNT composite)-covered PVDF ultrafilter membranes (MWCO = 100 kDa) were used for the purification of an industrial oil-contaminated (produced) wastewater, with and without ozone pretreatment to compare the achievable fouling mitigations by the mentioned surface modifications and/or pre-ozonation. Fluxes, filtration resistances, foulings, and purification efficiencies were compared in detail. Pre-ozonation was able to reduce the total filtration resistance in all cases (up to 50%), independently from the membrane material. During the application of nanomaterial-modified membranes were by far the lowest filtration resistances measured, and in these cases, pre-ozonation resulted in a slight further reduction (11-13%) of the total filtration resistance. The oil removal efficiency was 83-91% in the case of commercial membranes and > 98% in the case of modified membranes. Moreover, the highest fluxes (301-362 L m-2 h-1) were also measured in the case of modified membranes. Overall, the utilization of nanomaterial-modified membranes was more beneficial than pre-ozonation, but with the combination of these methods, slightly higher fluxes, lower filtration resistances, and better antifouling properties were achieved; however, pre-ozonation slightly decreased the oil removal efficiency.
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Affiliation(s)
- Gábor Veréb
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary.
| | - Péter Kassai
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
| | - Erika Nascimben Santos
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
| | - Gangasalam Arthanareeswaran
- Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, Tamilnadu, 620015, India
| | - Cecilia Hodúr
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
- Institute of Environmental Science and Technology, University of Szeged, Tisza Lajos Blvd. 103, Szeged, H-6720, Hungary
| | - Zsuzsanna László
- Institute of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai Blvd. 9., Szeged, HU-6725, Hungary
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Evaluation of the effect of body fluid analogs on the parameters of nanofiltration during the purification of swimming pool water. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-0568-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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Ma C, Yuan P, Jia S, Liu Y, Zhang X, Hou S, Zhang H, He Z. Catalytic micro-ozonation by Fe 3O 4 nanoparticles @ cow-dung ash for advanced treatment of biologically pre-treated leachate. WASTE MANAGEMENT (NEW YORK, N.Y.) 2019; 83:23-32. [PMID: 30514468 DOI: 10.1016/j.wasman.2018.10.045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 10/29/2018] [Accepted: 10/30/2018] [Indexed: 05/28/2023]
Abstract
In this work, the biologically pre-treated leachate was subjected to catalytic micro-ozonation using cow-dung ash composites loaded with Fe3O4 nanoparticles (nano-Fe3O4@CDA) as the catalyst. The optimal conditions used were nano-Fe3O4@CDA dosage of 0.8 g/L, input ozone of 3.0 g/L, and reaction time of 120 min. This environment yielded the following results: The COD and color number (CN) removal reached 53% and 89%, respectively, and the BOD5/COD increased from 0.05 to 0.32. The catalytic micro-ozonation partially degraded the refractory substances into intermediates with lower molecular weight. The percentage of phenolic compounds decreased sharply from 28.08% to 8.56%, largely due to the opening of the ring as well as to the formation of organic intermediates with a low molecular weight. Based on the results culled from the electron paramagnetic resonance (EPR), it is evident that the nano-Fe3O4@CDA catalyst can accelerate in order to generate OH. This was the main mechanism involved in its excellent ability to degrade refractory pollutants. These results demonstrated the potential use of nano-Fe3O4@CDA as a catalyst in the catalytic micro-ozonation process.
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Affiliation(s)
- Cui Ma
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Pengfei Yuan
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Shengyong Jia
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Yaqi Liu
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Xingjun Zhang
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Sen Hou
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Hanxu Zhang
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Zhengguang He
- School of Water Conservancy & Environment, Zhengzhou University, Zhengzhou 450001, China.
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Veréb G, Kovács I, Zakar M, Kertész S, Hodúr C, László Z. Matrix effect in case of purification of oily waters by membrane separation combined with pre-ozonation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:34976-34984. [PMID: 29392609 DOI: 10.1007/s11356-018-1287-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 01/15/2018] [Indexed: 06/07/2023]
Abstract
In the present study, oil in water emulsions (coil = 100 ppm; doil droplets < 2 μm) was purified with ozonation followed by microfiltration using polyethersulfone (PES) membrane (dpore = 0.2 μm). The effects of pre-ozonation on membrane microfiltration were investigated in detail both in case of ultrapure and model groundwater matrices, applying different durations (0, 5, 10, and 20 min) of pre-ozonation. Simultaneously, the effects of added inorganic water components on the combined method were investigated. Size distribution of oil droplets, zeta potentials, fluxes, and purification efficiencies were measured and fouling mechanisms were described in all cases. It was found that the matrix significantly affected the size distribution and adherence ability of oil droplets onto the membrane surface, therefore fouling mechanisms also were strongly dependent on the matrix. In case of low salt concentration, the total resistance was caused mainly by reversible resistance, which could be significantly reduced (eliminated) by pre-ozonation. In case of model groundwater matrix, nearly twice higher total resistance was measured, and irreversible resistance was dominant, because of the higher adhesion ability of the oil droplets onto the membrane surface. In this case, pre-ozonation resulted in much lower irreversible, but higher reversible resistance. Increased duration of pre-ozonation raised the total resistance and reduced the elimination efficiency (due to fragmented oil droplets and water soluble oxidation by-products) in both cases, therefore short pre-ozonation can be recommended both from economic and performance aspects.
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Affiliation(s)
- Gábor Veréb
- Department of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai krt. 9, Szeged, H-6725, Hungary.
| | - Ildikó Kovács
- Department of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai krt. 9, Szeged, H-6725, Hungary
| | - Mihály Zakar
- Department of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai krt. 9, Szeged, H-6725, Hungary
| | - Szabolcs Kertész
- Department of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai krt. 9, Szeged, H-6725, Hungary
| | - Cecilia Hodúr
- Department of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai krt. 9, Szeged, H-6725, Hungary
| | - Zsuzsanna László
- Department of Process Engineering, Faculty of Engineering, University of Szeged, Moszkvai krt. 9, Szeged, H-6725, Hungary
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