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Sandu T, Sârbu A, Căprărescu S, Stoica EB, Iordache TV, Chiriac AL. Polymer Membranes as Innovative Means of Quality Restoring for Wastewater Bearing Heavy Metals. MEMBRANES 2022; 12:membranes12121179. [PMID: 36557086 PMCID: PMC9783154 DOI: 10.3390/membranes12121179] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/19/2022] [Accepted: 11/21/2022] [Indexed: 05/31/2023]
Abstract
The problem that has aroused the interest of this review refers to the harmful effect of heavy metals on water sources due to industrial development. In this respect, the review is aimed at achieving a literature survey on the outstanding results and advancements in membranes and membrane technologies for the advanced treatment of heavy metal-loaded wastewaters. Particular attention is given to synthetic polymer membranes, for which the proper choice of precursor material can provide cost benefits while ensuring good decontamination activity. Furthermore, it was also found that better removal efficiencies of heavy metals are achieved by combining the membrane properties with the adsorption properties of inorganic powders. The membrane processes of interest from the perspective of industrial applications are also discussed. A noteworthy conclusion is the fact that the main differences between membranes, which refer mainly to the definition and density of the pore structure, are the prime factors that affect the separation process of heavy metals. Literature studies reveal that applying UF/MF approaches prior to RO leads to a better purification performance.
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Affiliation(s)
- Teodor Sandu
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Spl. Independentei 202, 6th District, 060021 Bucharest, Romania
| | - Andrei Sârbu
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Spl. Independentei 202, 6th District, 060021 Bucharest, Romania
| | - Simona Căprărescu
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, Ghe. Polizu Street, No. 1-7, 011061 Bucharest, Romania
| | - Elena-Bianca Stoica
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Spl. Independentei 202, 6th District, 060021 Bucharest, Romania
| | - Tanța-Verona Iordache
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Spl. Independentei 202, 6th District, 060021 Bucharest, Romania
| | - Anita-Laura Chiriac
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Spl. Independentei 202, 6th District, 060021 Bucharest, Romania
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Brígido CRS, de Almeida Lemos F, Santos ID, Dutra AJB. Electrochemical treatment of a wastewater with a very high ammoniacal nitrogen and chloride concentrations. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1007/s43153-021-00220-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ivić I, Kopjar M, Buljeta I, Pichler D, Mesić J, Pichler A. Influence of Reverse Osmosis Process in Different Operating Conditions on Phenolic Profile and Antioxidant Activity of Conventional and Ecological Cabernet Sauvignon Red Wine. MEMBRANES 2022; 12:76. [PMID: 35054602 PMCID: PMC8777971 DOI: 10.3390/membranes12010076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/31/2021] [Accepted: 01/04/2022] [Indexed: 11/29/2022]
Abstract
Red wine polyphenols are responsible for its colour, astringency, and bitterness. They are known as strong antioxidants that protect the human body from the harmful effects of free radicals and prevent various diseases. Wine phenolics are influenced by viticulture methods and vinification techniques, and therefore, conventionally and ecologically produced wines of the same variety do not have the same phenolic profile. Ecological viticulture avoids the use of chemical adjuvants in vineyards in order to minimise their negative influence on the environment, wine, and human health. The phenolic profile and antioxidant activity of wine can also be influenced by additional treatments, such as concentration by reverse osmosis. The aim of this study was to investigate the influence of four different pressures (2.5, 3.5, 4.5, and 5.5 MPa) and two temperature regimes (with and without cooling) on the phenolic profile and antioxidant activity of conventional and ecological Cabernet Sauvignon red wine during concentration by reverse osmosis. The results showed that retention of individual phenolic compounds depended on the applied processing parameters, chemical composition of the initial wine, and chemical properties of a compound. Higher pressure and retentate cooling favoured the retention of total polyphenols, flavonoids, and monomeric anthocyanins, compared to the opposite conditions. The same trend was observed for antioxidant activity.
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Affiliation(s)
- Ivana Ivić
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia; (I.I.); (M.K.); (I.B.)
| | - Mirela Kopjar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia; (I.I.); (M.K.); (I.B.)
| | - Ivana Buljeta
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia; (I.I.); (M.K.); (I.B.)
| | | | - Josip Mesić
- Polytechnic in Požega, Vukovarska 17, 34000 Požega, Croatia;
| | - Anita Pichler
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University, F. Kuhača 18, 31000 Osijek, Croatia; (I.I.); (M.K.); (I.B.)
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Arcanjo GS, Dos Santos CR, Costa FCR, Batista IF, Amaral MCS. Forward osmosis as an opportunity for acid mining effluent reuse - An assessment of concentration polarization effects on forward osmosis performance and economic aspects. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1826968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Gemima Santos Arcanjo
- Department of Environmental Engineering, Federal University of Bahia, Salvador, BA, Brazil
- Department of Civil Engineering, Federal University of Viçosa, Viçosa, MG, Brazil
| | - Carolina Rodrigues Dos Santos
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Isabela Ferreira Batista
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Míriam Cristina Santos Amaral
- Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
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Ali A, Nymann MC, Christensen ML, Quist-Jensen CA. Industrial Wastewater Treatment by Nanofiltration-a Case Study on the Anodizing Industry. MEMBRANES 2020; 10:membranes10050085. [PMID: 32365735 PMCID: PMC7281665 DOI: 10.3390/membranes10050085] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 11/21/2022]
Abstract
The anodizing industry generates several alkaline and acidic wastewater streams often with high concentrations of heavy metals. In this study, nanofiltration (NF) was used to treat wastewater from individual baths, i.e., wastewater from color rinse, alkaline pickling rinse, acidic pickling rinse and anodizing rinse, as well as a mixture of all the wastewater streams. The experiments were carried out by using a commercial membrane (NF99HF) exhibiting pure water permeability of 10 L/(m2·h·bar). For all wastewater streams except one, pH was adjusted to bring it within the recommended pH limits of the membrane, whereby part of the heavy metals precipitated and was removed. The NF of the color rinse offered high-quality permeate (heavy metals below detection limit) and high permeability (9 L/(m2·h·bar)), whereas the nanofiltration of the alkaline pickling rinse exhibited no permeability. The NF of the acidic pickling rinse showed a permeability of 3.1–4.1 L/(m2·h·bar), but low ion rejection (7–13%). NF of the neutralized mixed wastewater, after the removal of precipitate, produced high-quality permeate with a stable permeability of 1 L/(m2·h·bar). Treatment of the mixed wastewater is therefore the best option if the water has to be discharged. If the water has to be reused, the permeate conductivity in the color rinse and anodizing rinse baths have been reduced significantly, so the treatment of these streams may then be a better option.
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Coudert L, Bondu R, Rakotonimaro TV, Rosa E, Guittonny M, Neculita CM. Treatment of As-rich mine effluents and produced residues stability: Current knowledge and research priorities for gold mining. JOURNAL OF HAZARDOUS MATERIALS 2020; 386:121920. [PMID: 31884367 DOI: 10.1016/j.jhazmat.2019.121920] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
Refractory ores, in which gold is often embedded within As-bearing and acid-generating sulfide minerals, are becoming the main gold source worldwide. These ores require an oxidizing pre-treatment, prior to cyanidation, to efficiently breakdown the sulfides and enhance gold liberation. As a result, large volumes of As-rich effluents (> 500 mg/L) are produced through the pre-oxidation of refractory gold ores and/or the exposure of As-bearing tailings upon exposure to air and water. Limited information is available on performant treatment of these effluents, especially of pre-oxidation effluents characterized by a complex chemistry, extremely acidic or alkaline pH and high concentrations of arsenic. The treatment of As-rich effluents is mainly based on precipitation (using Al or Fe salts and/or Ca-based compounds) and (electro)-chemical or biological oxidation processes. A performant treatment process must maximize As removal from contaminated mine water and allow for the production of residues that are geochemically stable over the long term. An extensive literature review showed that Fe(III)-As(V) precipitates, especially bioscorodite and (nano)scorodite, appear to be the most appropriate forms to immobilize As due to their low solubility and high stability, especially when encapsulated within an inert material such as hydroxyl gels. Research is still required to assess the long-term stability of these As-bearing residues under mine-site conditions for the sustainable exploitation of refractory gold deposits.
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Affiliation(s)
- L Coudert
- Research Institute on Mines and Environment (RIME), Université du Québec en Abitibi-Témiscamingue (UQAT), 445 Blvd. Université, Rouyn-Noranda, QC, J9X 5E4, Canada.
| | - R Bondu
- Groundwater Research Group (GRES - Groupe de Recherche sur l'Eau Souterraine)-RIME, UQAT, 341 Principale Nord, Suite 5004, Amos, QC, J9T 2L8, Canada.
| | - T V Rakotonimaro
- RIME, UQAT, 445 Blvd. Université, Rouyn-Noranda, QC, J9X 5E4, Canada.
| | - E Rosa
- GRES-RIME, UQAT, 341 Principale Nord, Suite 5004, Amos, QC, J9T 2L8, Canada.
| | - Marie Guittonny
- RIME, UQAT, 445 Blvd. Université, Rouyn-Noranda, QC, J9X 5E4, Canada.
| | - C M Neculita
- RIME, UQAT, 445 Blvd. Université, Rouyn-Noranda, QC, J9X 5E4, Canada.
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Kaur M, Kumari S, Sharma P. Removal of Pb (II) from aqueous solution using nanoadsorbent of Oryza sativa husk: Isotherm, kinetic and thermodynamic studies. ACTA ACUST UNITED AC 2020; 25:e00410. [PMID: 32140441 PMCID: PMC7044708 DOI: 10.1016/j.btre.2019.e00410] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 12/03/2019] [Accepted: 12/03/2019] [Indexed: 10/31/2022]
Abstract
This research focus on the removal of Pb (II) ions from aqueous solution by adsorption process using nanoadsorbent developed from agricultural waste Oryza sativa husk (OSH). Surface morphology of nanoadsorbent was analyzed by FE-SEM, elemental composition by EDX and size by AFM. Attachment of functional groups on nanoadsorbent was determined by FTIR. The effect of pH, dose, contact time, initial concentration and temperature were investigated. Optimum adsorption of lead at pH 8, contact time 70 min at 60 °C temperature with 0.6 g/50 mL nanoadsorbent dose obeyed pseudo second order kinetic model with R2 0.996. Pb (II) adsorption was analyzed by Freundlich, Langmuir and Temkin models. Freundlich isotherm model with correlation coefficient R2 0.999 was best fitted. Thermodynamic parameters anticipated the adsorption process to be endothermic and spontaneous. Post adsorption elution was carried out successfully. Results demonstrate that OSH is a low cost and eco-friendly choice for Pb (II) remediation.
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Affiliation(s)
- Mandeep Kaur
- Department of Environmental Science & Engineering, Guru Jambheshwar University of Science & Technology, Hisar 125001, Haryana, India
| | - Santosh Kumari
- Department of Bio & Nano Technology, Guru Jambheshwar University of Science & Technology, Hisar 125001, Haryana, India
| | - Praveen Sharma
- Department of Environmental Science & Engineering, Guru Jambheshwar University of Science & Technology, Hisar 125001, Haryana, India
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Silva NCM, Moravia WG, Amaral MCS, Figueiredo KCS. Evaluation of fouling mechanisms in nanofiltration as a polishing step of yeast MBR-treated landfill leachate. ENVIRONMENTAL TECHNOLOGY 2019; 40:3611-3621. [PMID: 29806798 DOI: 10.1080/09593330.2018.1482568] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Accepted: 05/23/2018] [Indexed: 06/08/2023]
Abstract
The aim of this study was to evaluate the nanofiltration process as a polishing step of a membrane bioreactor inoculated with commercial baker yeast (Saccharomyces cerevisiae) used to treat sanitary landfill leachate. The contaminants retention and influence of concentration polarization and fouling phenomena on the permeate flux decline (FD) at different operating pressures were analysed. The greatest total flux reductions of 63.57% and 70.83% were observed for the lowest and the highest pressures, respectively, being this reduction attributed mainly to the concentration polarization. Membrane itself and concentration polarization phenomena were the main resistances to the nanofiltration process. Hermia model adjustment to the experimental data revealed that cake formation was the main mechanism that explained the FD at pressures of 8, 10 and 12 bar. At recovery rates above 40%, there was a significant decrease in permeate quality, so this value was chosen as the viable value for the proposed system. Integrated MBR-nanofiltration system led to the high removal of pollutants and made the treated effluent feasible for reuse in the landfill itself.
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Affiliation(s)
- N C M Silva
- Department of Chemical Engineering, School of Engineering, Federal University of Minas Gerais , Minas Gerais , Brazil
| | - W G Moravia
- Department of Environmental Science and Technology, Federal Center of Technological Education of Minas Gerais , Minas Gerais , Brazil
| | - M C S Amaral
- Department of Sanitary and Environmental Engineering, School of Engineering, Federal University of Minas Gerais , Minas Gerais , Brazil
| | - K C S Figueiredo
- Department of Chemical Engineering, School of Engineering, Federal University of Minas Gerais , Minas Gerais , Brazil
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10
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Assessing potential of nanofiltration for sulfuric acid plant effluent reclamation: Operational and economic aspects. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.04.048] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Andrade LH, Pires WL, Grossi LB, Aguiar AO, Amaral MCS. Integration of two-stage nanofiltration with arsenic and calcium intermediate chemical precipitation for gold mining effluent treatment. ENVIRONMENTAL TECHNOLOGY 2019; 40:1644-1656. [PMID: 29385951 DOI: 10.1080/09593330.2018.1432692] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 10/10/2017] [Indexed: 06/07/2023]
Abstract
The aim of this study was to evaluate an innovative treatment route for gold-mining effluents rich in calcium, arsenic, and sulfate. This treatment route comprised two nanofiltration (NF) stages and a two-step intermediate precipitation. Arsenic and iron coprecipitation (first step) and calcium carbonate precipitation (second step) were assessed aiming to treat the first-stage NF concentrate and increase the permeate recovery rate in a second-stage NF. The pH, the molar ratio of Fe/As (first step), and the molar ratio of CO3/Ca (second step) were optimized by using rotational central composite design. Under optimal conditions, the arsenic removal was 99.8% (at pH = 7.0 and Fe/As = 4.0), and the calcium removal was 99.5% (at pH 11.5 and CO3/Ca = 3.5). The supernatant of Ca precipitation had very basic pH and had to be acidified before the second-stage NF. The pH 8.5 proved to be the best one regarding retention efficiency and flux. The flux decay of the second-stage NF was attributed to both osmotic pressure increase and reversible fouling resistance. It was concluded that the proposed treatment system is efficient for the treatment of gold-mining wastewater, ensuring higher production of treated effluent and an easy disposable of the final concentrate.
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Affiliation(s)
- Laura H Andrade
- a Department of Sanitary and Environmental Engineering , Federal University of Minas Gerais , Belo Horizonte , Brazil
| | - Wadson L Pires
- a Department of Sanitary and Environmental Engineering , Federal University of Minas Gerais , Belo Horizonte , Brazil
| | - Luiza B Grossi
- a Department of Sanitary and Environmental Engineering , Federal University of Minas Gerais , Belo Horizonte , Brazil
| | - Alice O Aguiar
- a Department of Sanitary and Environmental Engineering , Federal University of Minas Gerais , Belo Horizonte , Brazil
| | - Míriam C S Amaral
- a Department of Sanitary and Environmental Engineering , Federal University of Minas Gerais , Belo Horizonte , Brazil
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Naidu G, Ryu S, Thiruvenkatachari R, Choi Y, Jeong S, Vigneswaran S. A critical review on remediation, reuse, and resource recovery from acid mine drainage. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:1110-1124. [PMID: 30823340 DOI: 10.1016/j.envpol.2019.01.085] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/06/2019] [Accepted: 01/17/2019] [Indexed: 05/28/2023]
Abstract
Acid mine drainage (AMD) is a global environmental issue. Conventionally, a number of active and passive remediation approaches are applied to treat and manage AMD. Case studies on remediation approaches applied in actual mining sites such as lime neutralization, bioremediation, wetlands and permeable reactive barriers provide an outlook on actual long-term implications of AMD remediation. Hence, in spite of available remediation approaches, AMD treatment remains a challenge. The need for sustainable AMD treatment approaches has led to much focus on water reuse and resource recovery. This review underscores (i) characteristics and implication of AMD, (ii) remediation approaches in mining sites, (iii) alternative treatment technologies for water reuse, and (iv) resource recovery. Specifically, the role of membrane processes and alternative treatment technologies to produce water for reuse from AMD is highlighted. Although membrane processes are favorable for water reuse, they cannot achieve resource recovery, specifically selective valuable metal recovery. The approach of integrated membrane and conventional treatment processes are especially promising for attaining both water reuse and recovery of resources such as sulfuric acid, metals and rare earth elements. Overall, this review provides insights in establishing reuse and resource recovery as the holistic approach towards sustainable AMD treatment. Finally, integrated technologies that deserve in depth future exploration is highlighted.
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Affiliation(s)
- Gayathri Naidu
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia
| | - Seongchul Ryu
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia
| | - Ramesh Thiruvenkatachari
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), 1 Technology Court, Pullenvale, Queensland, 4069, Australia
| | - Youngkwon Choi
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia
| | - Sanghyun Jeong
- Graduate School of Water Resources, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do, 16419, Republic of Korea
| | - Saravanamuthu Vigneswaran
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW, 2007, Australia.
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Andrade L, Aguiar A, Pires W, Grossi L, Amaral M. Comprehensive bench- and pilot-scale investigation of NF for gold mining effluent treatment: Membrane performance and fouling control strategies. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2016.09.048] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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