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Photothermally-activated peroxymonosulfate (PMS) pretreatment for fouling alleviation of membrane distillation of surface water: Performance and mechanism
[Display omitted] •Photothermally-activated PMS pre-treatment was applied for MD fouling alleviation.•NOM in the surface water can be effectively removed after PMS pre-treatment.•Stable permeance (PMS (2 mM)) vs 50 % reduction (control) of flux were obtained.••OH and SO4•− radicals generated by PMS...
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Published in: | Separation and purification technology 2023-03, Vol.309, p.123043, Article 123043 |
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container_title | Separation and purification technology |
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creator | Ji, Bingxuan Bilal Asif, Muhammad Zhang, Zhenghua |
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•Photothermally-activated PMS pre-treatment was applied for MD fouling alleviation.•NOM in the surface water can be effectively removed after PMS pre-treatment.•Stable permeance (PMS (2 mM)) vs 50 % reduction (control) of flux were obtained.••OH and SO4•− radicals generated by PMS contributed to the NOM removal.•The MD membrane properties could be kept conserved by the PMS pre-treatment step.
Membrane distillation (MD) has demonstrated its efficacy for seawater desalination, which prompted researchers to investigate its performance for the treatment of surface water containing natural organic matter (NOM). However, membrane fouling remains a significant technological constraint in the acceptability and implementation of MD modules. Herein, for the first time, a photothermally-activated PMS pre-treatment process is coupled to a direct contact (DC)-MD module for effective membrane fouling control. Photothermally-activated PMS (2 mM) pre-treatment achieved 69 % of UV254 removal and 30.9 % of dissolved organic carbon removal and allowed stable operation of the DCMD without any reduction in water permeance vs 50 % reduction obtained without the pretreatment step. The analysis of NOM fractions after pre-treatment using Parallel Factor Analysis and molecular weight distribution indicated changes in NOM composition, which facilitated membrane fouling control. The photothermally-activated PMS pre-treatment seems to alleviate membrane fouling by limiting the foulant-membrane interaction, which was observed to result in the formation of the fouling layer containing aromatic proteins, microbial byproducts-like substances, and inorganic (e.g., calcium) foulants. Finally, characterization of the used MD membranes revealed that the MD membrane properties could be kept unchanged by the photothermally-activated PMS pre-treatment step, thereby making the integrated DCMD system sustainable and attractive for widespread applications. |
doi_str_mv | 10.1016/j.seppur.2022.123043 |
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•Photothermally-activated PMS pre-treatment was applied for MD fouling alleviation.•NOM in the surface water can be effectively removed after PMS pre-treatment.•Stable permeance (PMS (2 mM)) vs 50 % reduction (control) of flux were obtained.••OH and SO4•− radicals generated by PMS contributed to the NOM removal.•The MD membrane properties could be kept conserved by the PMS pre-treatment step.
Membrane distillation (MD) has demonstrated its efficacy for seawater desalination, which prompted researchers to investigate its performance for the treatment of surface water containing natural organic matter (NOM). However, membrane fouling remains a significant technological constraint in the acceptability and implementation of MD modules. Herein, for the first time, a photothermally-activated PMS pre-treatment process is coupled to a direct contact (DC)-MD module for effective membrane fouling control. Photothermally-activated PMS (2 mM) pre-treatment achieved 69 % of UV254 removal and 30.9 % of dissolved organic carbon removal and allowed stable operation of the DCMD without any reduction in water permeance vs 50 % reduction obtained without the pretreatment step. The analysis of NOM fractions after pre-treatment using Parallel Factor Analysis and molecular weight distribution indicated changes in NOM composition, which facilitated membrane fouling control. The photothermally-activated PMS pre-treatment seems to alleviate membrane fouling by limiting the foulant-membrane interaction, which was observed to result in the formation of the fouling layer containing aromatic proteins, microbial byproducts-like substances, and inorganic (e.g., calcium) foulants. Finally, characterization of the used MD membranes revealed that the MD membrane properties could be kept unchanged by the photothermally-activated PMS pre-treatment step, thereby making the integrated DCMD system sustainable and attractive for widespread applications.</description><identifier>ISSN: 1383-5866</identifier><identifier>EISSN: 1873-3794</identifier><identifier>DOI: 10.1016/j.seppur.2022.123043</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Membrane distillation ; Membrane fouling ; Natural organic matter (NOM) ; Photothermal activation ; Surface water</subject><ispartof>Separation and purification technology, 2023-03, Vol.309, p.123043, Article 123043</ispartof><rights>2022 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c306t-8c20146396ecad08159daac7b75a0b928119c793d9825f286792ba9a714f9be43</citedby><cites>FETCH-LOGICAL-c306t-8c20146396ecad08159daac7b75a0b928119c793d9825f286792ba9a714f9be43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Ji, Bingxuan</creatorcontrib><creatorcontrib>Bilal Asif, Muhammad</creatorcontrib><creatorcontrib>Zhang, Zhenghua</creatorcontrib><title>Photothermally-activated peroxymonosulfate (PMS) pretreatment for fouling alleviation of membrane distillation of surface water: Performance and mechanism</title><title>Separation and purification technology</title><description>[Display omitted]
•Photothermally-activated PMS pre-treatment was applied for MD fouling alleviation.•NOM in the surface water can be effectively removed after PMS pre-treatment.•Stable permeance (PMS (2 mM)) vs 50 % reduction (control) of flux were obtained.••OH and SO4•− radicals generated by PMS contributed to the NOM removal.•The MD membrane properties could be kept conserved by the PMS pre-treatment step.
Membrane distillation (MD) has demonstrated its efficacy for seawater desalination, which prompted researchers to investigate its performance for the treatment of surface water containing natural organic matter (NOM). However, membrane fouling remains a significant technological constraint in the acceptability and implementation of MD modules. Herein, for the first time, a photothermally-activated PMS pre-treatment process is coupled to a direct contact (DC)-MD module for effective membrane fouling control. Photothermally-activated PMS (2 mM) pre-treatment achieved 69 % of UV254 removal and 30.9 % of dissolved organic carbon removal and allowed stable operation of the DCMD without any reduction in water permeance vs 50 % reduction obtained without the pretreatment step. The analysis of NOM fractions after pre-treatment using Parallel Factor Analysis and molecular weight distribution indicated changes in NOM composition, which facilitated membrane fouling control. The photothermally-activated PMS pre-treatment seems to alleviate membrane fouling by limiting the foulant-membrane interaction, which was observed to result in the formation of the fouling layer containing aromatic proteins, microbial byproducts-like substances, and inorganic (e.g., calcium) foulants. Finally, characterization of the used MD membranes revealed that the MD membrane properties could be kept unchanged by the photothermally-activated PMS pre-treatment step, thereby making the integrated DCMD system sustainable and attractive for widespread applications.</description><subject>Membrane distillation</subject><subject>Membrane fouling</subject><subject>Natural organic matter (NOM)</subject><subject>Photothermal activation</subject><subject>Surface water</subject><issn>1383-5866</issn><issn>1873-3794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhosoqKv_wEOOeuiaj26beBBE_ALFBfUcpunUzdI2Jcmu7l_x1xpZ8ehhmOEdnpeZN8tOGJ0yysrz5TTgOK78lFPOp4wLWoid7IDJSuSiUsVumoUU-UyW5X52GMKSUlYxyQ-yr_nCRRcX6Hvouk0OJto1RGzIiN59bno3uLDq2iSR0_nTyxkZPUaPEHscImmdT7Xq7PBOEo9rC9G6gbiW9NjXHgYkjQ3Rdt3fIqx8CwbJR_L0F2SOPrn0MCQJhiZxZgGDDf1RttdCF_D4t0-yt9ub1-v7_PH57uH66jE3gpYxl4ZTVpRClWigoZLNVANgqrqaAa0Vl4wpUynRKMlnLZdlpXgNCipWtKrGQkyyYutrvAvBY6tHb3vwG82o_slXL_U2X_2Tr97mm7DLLYbptrVFr4OxmL5orEcTdePs_wbf9hyKmw</recordid><startdate>20230315</startdate><enddate>20230315</enddate><creator>Ji, Bingxuan</creator><creator>Bilal Asif, Muhammad</creator><creator>Zhang, Zhenghua</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20230315</creationdate><title>Photothermally-activated peroxymonosulfate (PMS) pretreatment for fouling alleviation of membrane distillation of surface water: Performance and mechanism</title><author>Ji, Bingxuan ; Bilal Asif, Muhammad ; Zhang, Zhenghua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c306t-8c20146396ecad08159daac7b75a0b928119c793d9825f286792ba9a714f9be43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Membrane distillation</topic><topic>Membrane fouling</topic><topic>Natural organic matter (NOM)</topic><topic>Photothermal activation</topic><topic>Surface water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ji, Bingxuan</creatorcontrib><creatorcontrib>Bilal Asif, Muhammad</creatorcontrib><creatorcontrib>Zhang, Zhenghua</creatorcontrib><collection>CrossRef</collection><jtitle>Separation and purification technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ji, Bingxuan</au><au>Bilal Asif, Muhammad</au><au>Zhang, Zhenghua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photothermally-activated peroxymonosulfate (PMS) pretreatment for fouling alleviation of membrane distillation of surface water: Performance and mechanism</atitle><jtitle>Separation and purification technology</jtitle><date>2023-03-15</date><risdate>2023</risdate><volume>309</volume><spage>123043</spage><pages>123043-</pages><artnum>123043</artnum><issn>1383-5866</issn><eissn>1873-3794</eissn><abstract>[Display omitted]
•Photothermally-activated PMS pre-treatment was applied for MD fouling alleviation.•NOM in the surface water can be effectively removed after PMS pre-treatment.•Stable permeance (PMS (2 mM)) vs 50 % reduction (control) of flux were obtained.••OH and SO4•− radicals generated by PMS contributed to the NOM removal.•The MD membrane properties could be kept conserved by the PMS pre-treatment step.
Membrane distillation (MD) has demonstrated its efficacy for seawater desalination, which prompted researchers to investigate its performance for the treatment of surface water containing natural organic matter (NOM). However, membrane fouling remains a significant technological constraint in the acceptability and implementation of MD modules. Herein, for the first time, a photothermally-activated PMS pre-treatment process is coupled to a direct contact (DC)-MD module for effective membrane fouling control. Photothermally-activated PMS (2 mM) pre-treatment achieved 69 % of UV254 removal and 30.9 % of dissolved organic carbon removal and allowed stable operation of the DCMD without any reduction in water permeance vs 50 % reduction obtained without the pretreatment step. The analysis of NOM fractions after pre-treatment using Parallel Factor Analysis and molecular weight distribution indicated changes in NOM composition, which facilitated membrane fouling control. The photothermally-activated PMS pre-treatment seems to alleviate membrane fouling by limiting the foulant-membrane interaction, which was observed to result in the formation of the fouling layer containing aromatic proteins, microbial byproducts-like substances, and inorganic (e.g., calcium) foulants. Finally, characterization of the used MD membranes revealed that the MD membrane properties could be kept unchanged by the photothermally-activated PMS pre-treatment step, thereby making the integrated DCMD system sustainable and attractive for widespread applications.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.seppur.2022.123043</doi></addata></record> |
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subjects | Membrane distillation Membrane fouling Natural organic matter (NOM) Photothermal activation Surface water |
title | Photothermally-activated peroxymonosulfate (PMS) pretreatment for fouling alleviation of membrane distillation of surface water: Performance and mechanism |
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