Surface shear stress and membrane fouling when considering natural water matrices
The effect of surface shear stress on membrane fouling during submerged hollow fiber ultrafiltration of three different surface waters (two lakes, one river) was investigated. Surface shear stresses that mimicked those induced when applying continuous and intermittent coarse bubble air sparging, lar...
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| Veröffentlicht in: | Desalination 2013-12, Vol.330, p.22-27 |
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| creator | Wray, Heather E. Andrews, Robert C. Bérubé, Pierre R. |
| description | The effect of surface shear stress on membrane fouling during submerged hollow fiber ultrafiltration of three different surface waters (two lakes, one river) was investigated. Surface shear stresses that mimicked those induced when applying continuous and intermittent coarse bubble air sparging, large pulse bubble air sparging, as well as no air sparging were considered. The results suggest that fouling was mainly due to the accumulation of the biopolymer fraction of the natural organic matter present in the raw water. Inducing shear stresses onto the membrane surface significantly decreased the rate of membrane fouling (relative to no shear stress applied) in all waters tested. Of the shear stress conditions studied, that which mimicked large pulse bubble sparging had the greatest effect, reducing fouling by up to 80% when compared to conditions with no sparging applied. Conditions that mimicked intermittent and continuous coarse bubble fouling reduced the rate of fouling by up to 77 and 49%, respectively. These results suggest that the shear stresses induced by sparging can promote back transport of soluble organic material from the membrane surface. A semi-empirical relationship was developed to estimate the effect of raw water characteristics and applied sparging conditions on membrane fouling.
•The impact of shear stress on UF membrane fouling was investigated for natural waters.•High peak shear stress (pulse bubble air sparging) was most effective at reducing fouling.•Shear increased back-transport of biopolymers away from the membrane surface.•Fouling was modeled based on biopolymer concentration and the root mean square of shear stress. |
| doi_str_mv | 10.1016/j.desal.2013.09.018 |
| format | Article |
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•The impact of shear stress on UF membrane fouling was investigated for natural waters.•High peak shear stress (pulse bubble air sparging) was most effective at reducing fouling.•Shear increased back-transport of biopolymers away from the membrane surface.•Fouling was modeled based on biopolymer concentration and the root mean square of shear stress.</description><identifier>ISSN: 0011-9164</identifier><identifier>EISSN: 1873-4464</identifier><identifier>DOI: 10.1016/j.desal.2013.09.018</identifier><identifier>CODEN: DSLNAH</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Air sparging ; Applied sciences ; biopolymers ; Chemical engineering ; Continental surface waters ; desalination ; Exact sciences and technology ; fouling ; Hollow fiber ; lakes ; Liquid chromatography–organic carbon detection ; Membrane fouling ; Membrane separation (reverse osmosis, dialysis...) ; Natural water pollution ; organic matter ; Pollution ; rivers ; Shear stress ; surface water ; ultrafiltration ; Ultrafiltration (UF) ; Water treatment and pollution</subject><ispartof>Desalination, 2013-12, Vol.330, p.22-27</ispartof><rights>2013 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c427t-a2fa9cbae0ce7db1e0d0956b0311d06a978ab5a006475dbdcd6cfb627fee3bfb3</citedby><cites>FETCH-LOGICAL-c427t-a2fa9cbae0ce7db1e0d0956b0311d06a978ab5a006475dbdcd6cfb627fee3bfb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.desal.2013.09.018$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27960287$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wray, Heather E.</creatorcontrib><creatorcontrib>Andrews, Robert C.</creatorcontrib><creatorcontrib>Bérubé, Pierre R.</creatorcontrib><title>Surface shear stress and membrane fouling when considering natural water matrices</title><title>Desalination</title><description>The effect of surface shear stress on membrane fouling during submerged hollow fiber ultrafiltration of three different surface waters (two lakes, one river) was investigated. Surface shear stresses that mimicked those induced when applying continuous and intermittent coarse bubble air sparging, large pulse bubble air sparging, as well as no air sparging were considered. The results suggest that fouling was mainly due to the accumulation of the biopolymer fraction of the natural organic matter present in the raw water. Inducing shear stresses onto the membrane surface significantly decreased the rate of membrane fouling (relative to no shear stress applied) in all waters tested. Of the shear stress conditions studied, that which mimicked large pulse bubble sparging had the greatest effect, reducing fouling by up to 80% when compared to conditions with no sparging applied. Conditions that mimicked intermittent and continuous coarse bubble fouling reduced the rate of fouling by up to 77 and 49%, respectively. These results suggest that the shear stresses induced by sparging can promote back transport of soluble organic material from the membrane surface. A semi-empirical relationship was developed to estimate the effect of raw water characteristics and applied sparging conditions on membrane fouling.
•The impact of shear stress on UF membrane fouling was investigated for natural waters.•High peak shear stress (pulse bubble air sparging) was most effective at reducing fouling.•Shear increased back-transport of biopolymers away from the membrane surface.•Fouling was modeled based on biopolymer concentration and the root mean square of shear stress.</description><subject>Air sparging</subject><subject>Applied sciences</subject><subject>biopolymers</subject><subject>Chemical engineering</subject><subject>Continental surface waters</subject><subject>desalination</subject><subject>Exact sciences and technology</subject><subject>fouling</subject><subject>Hollow fiber</subject><subject>lakes</subject><subject>Liquid chromatography–organic carbon detection</subject><subject>Membrane fouling</subject><subject>Membrane separation (reverse osmosis, dialysis...)</subject><subject>Natural water pollution</subject><subject>organic matter</subject><subject>Pollution</subject><subject>rivers</subject><subject>Shear stress</subject><subject>surface water</subject><subject>ultrafiltration</subject><subject>Ultrafiltration (UF)</subject><subject>Water treatment and pollution</subject><issn>0011-9164</issn><issn>1873-4464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kE1v1DAQQC1EJZYtv4ADviBxSRjHWWdz4ICq8iFVQlXp2Rrb49arfBRPQtV_j5etOHKybL15Hj0h3iqoFSjz8VAHYhzqBpSuoa9B7V-Ijdp3umpb074UGwClql6Z9pV4zXwo16bXeiOub9Yc0ZPke8IsecnELHEKcqTRZZxIxnkd0nQnH-9pkn6eOAXKx4cJlzXjIB9xoSxHXHLyxOfiLOLA9Ob53IrbL5c_L75VVz--fr_4fFX5tumWCpuIvXdI4KkLThEE6HfGgVYqgMG-26PbIYBpu11wwQfjozNNF4m0i05vxYeT9yHPv1bixY6JPQ1D2Xle2arCFokCKKg-oT7PzJmifchpxPxkFdhjQHuwfwPaY0ALvS0By9T75w-QPQ6xxPCJ_40Wu4GmJN6Kdycu4mzxLhfm9qaIdgDQK90dTZ9OBJUevxNlyz7R5CmkTH6xYU7_3eQPM1-Smw</recordid><startdate>20131202</startdate><enddate>20131202</enddate><creator>Wray, Heather E.</creator><creator>Andrews, Robert C.</creator><creator>Bérubé, Pierre R.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7TG</scope><scope>7TN</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>20131202</creationdate><title>Surface shear stress and membrane fouling when considering natural water matrices</title><author>Wray, Heather E. ; Andrews, Robert C. ; Bérubé, Pierre R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c427t-a2fa9cbae0ce7db1e0d0956b0311d06a978ab5a006475dbdcd6cfb627fee3bfb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Air sparging</topic><topic>Applied sciences</topic><topic>biopolymers</topic><topic>Chemical engineering</topic><topic>Continental surface waters</topic><topic>desalination</topic><topic>Exact sciences and technology</topic><topic>fouling</topic><topic>Hollow fiber</topic><topic>lakes</topic><topic>Liquid chromatography–organic carbon detection</topic><topic>Membrane fouling</topic><topic>Membrane separation (reverse osmosis, dialysis...)</topic><topic>Natural water pollution</topic><topic>organic matter</topic><topic>Pollution</topic><topic>rivers</topic><topic>Shear stress</topic><topic>surface water</topic><topic>ultrafiltration</topic><topic>Ultrafiltration (UF)</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wray, Heather E.</creatorcontrib><creatorcontrib>Andrews, Robert C.</creatorcontrib><creatorcontrib>Bérubé, Pierre R.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Desalination</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wray, Heather E.</au><au>Andrews, Robert C.</au><au>Bérubé, Pierre R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface shear stress and membrane fouling when considering natural water matrices</atitle><jtitle>Desalination</jtitle><date>2013-12-02</date><risdate>2013</risdate><volume>330</volume><spage>22</spage><epage>27</epage><pages>22-27</pages><issn>0011-9164</issn><eissn>1873-4464</eissn><coden>DSLNAH</coden><abstract>The effect of surface shear stress on membrane fouling during submerged hollow fiber ultrafiltration of three different surface waters (two lakes, one river) was investigated. Surface shear stresses that mimicked those induced when applying continuous and intermittent coarse bubble air sparging, large pulse bubble air sparging, as well as no air sparging were considered. The results suggest that fouling was mainly due to the accumulation of the biopolymer fraction of the natural organic matter present in the raw water. Inducing shear stresses onto the membrane surface significantly decreased the rate of membrane fouling (relative to no shear stress applied) in all waters tested. Of the shear stress conditions studied, that which mimicked large pulse bubble sparging had the greatest effect, reducing fouling by up to 80% when compared to conditions with no sparging applied. Conditions that mimicked intermittent and continuous coarse bubble fouling reduced the rate of fouling by up to 77 and 49%, respectively. These results suggest that the shear stresses induced by sparging can promote back transport of soluble organic material from the membrane surface. A semi-empirical relationship was developed to estimate the effect of raw water characteristics and applied sparging conditions on membrane fouling.
•The impact of shear stress on UF membrane fouling was investigated for natural waters.•High peak shear stress (pulse bubble air sparging) was most effective at reducing fouling.•Shear increased back-transport of biopolymers away from the membrane surface.•Fouling was modeled based on biopolymer concentration and the root mean square of shear stress.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.desal.2013.09.018</doi><tpages>6</tpages></addata></record> |
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| subjects | Air sparging Applied sciences biopolymers Chemical engineering Continental surface waters desalination Exact sciences and technology fouling Hollow fiber lakes Liquid chromatography–organic carbon detection Membrane fouling Membrane separation (reverse osmosis, dialysis...) Natural water pollution organic matter Pollution rivers Shear stress surface water ultrafiltration Ultrafiltration (UF) Water treatment and pollution |
| title | Surface shear stress and membrane fouling when considering natural water matrices |
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