Natural organic matter fouling in pressure retarded osmosis
Fouling is one of the major challenges to be solved in order to commercialise osmotic power generation by pressure retarded osmosis (PRO). This paper deals with natural organic matter (NOM) fouling. The impact of i.a. NOM concentration and ionic strength in the freshwater feed have been investigated...
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Veröffentlicht in: | Journal of membrane science 2013-07, Vol.438, p.46-56 |
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description | Fouling is one of the major challenges to be solved in order to commercialise osmotic power generation by pressure retarded osmosis (PRO). This paper deals with natural organic matter (NOM) fouling. The impact of i.a. NOM concentration and ionic strength in the freshwater feed have been investigated for five different types of PRO membranes by performing fouling experiments in PRO mode at isobaric conditions.
An important finding was that fouling propensity in terms of relative flux decline as a function of accumulated NOM load was independent of the NOM concentration at otherwise identical conditions. Further, it was confirmed that increased ionic strength in the support structure, due to internal concentration polarisation and reverse salt diffusion, aggravates membrane fouling in PRO.
The observed variation in fouling propensity between different types of PRO membranes was significant. The CA membrane was less susceptible to NOM fouling than the four TFC types of PRO membranes. It is anticipated that the variation in fouling propensity that were observed for different membranes was related to both material and structural properties of the membranes. The results show the importance of applying fouling propensity as an additional main criterion to membrane performance during future research and development of PRO membranes.
•Five different types of PRO membranes have been tested for NOM fouling propensity.•Fouling propensity was found to be independent of NOM concentration.•Fouling propensity differed significantly among the different types of membranes.•Variations in fouling propensity were related to material and structural characteristics. |
doi_str_mv | 10.1016/j.memsci.2013.03.020 |
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An important finding was that fouling propensity in terms of relative flux decline as a function of accumulated NOM load was independent of the NOM concentration at otherwise identical conditions. Further, it was confirmed that increased ionic strength in the support structure, due to internal concentration polarisation and reverse salt diffusion, aggravates membrane fouling in PRO.
The observed variation in fouling propensity between different types of PRO membranes was significant. The CA membrane was less susceptible to NOM fouling than the four TFC types of PRO membranes. It is anticipated that the variation in fouling propensity that were observed for different membranes was related to both material and structural properties of the membranes. The results show the importance of applying fouling propensity as an additional main criterion to membrane performance during future research and development of PRO membranes.
•Five different types of PRO membranes have been tested for NOM fouling propensity.•Fouling propensity was found to be independent of NOM concentration.•Fouling propensity differed significantly among the different types of membranes.•Variations in fouling propensity were related to material and structural characteristics.</description><identifier>ISSN: 0376-7388</identifier><identifier>EISSN: 1873-3123</identifier><identifier>DOI: 10.1016/j.memsci.2013.03.020</identifier><identifier>CODEN: JMESDO</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Accumulated NOM load ; artificial membranes ; Chemistry ; Colloidal state and disperse state ; Exact sciences and technology ; Flux decline ; Fouling ; freshwater ; Freshwaters ; General and physical chemistry ; ionic strength ; Membranes ; Natural organic matter (NOM) ; organic matter ; Osmosis ; Osmotic power ; Power generation ; Pressure retarded osmosis (PRO) ; research and development ; Strength</subject><ispartof>Journal of membrane science, 2013-07, Vol.438, p.46-56</ispartof><rights>2013 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c529t-44bf01176004de8548cdd0729b78f246189f26f27864db38281115b3f9f89ea13</citedby><cites>FETCH-LOGICAL-c529t-44bf01176004de8548cdd0729b78f246189f26f27864db38281115b3f9f89ea13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.memsci.2013.03.020$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27427586$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Thelin, Willy R.</creatorcontrib><creatorcontrib>Sivertsen, Edvard</creatorcontrib><creatorcontrib>Holt, Torleif</creatorcontrib><creatorcontrib>Brekke, Geir</creatorcontrib><title>Natural organic matter fouling in pressure retarded osmosis</title><title>Journal of membrane science</title><description>Fouling is one of the major challenges to be solved in order to commercialise osmotic power generation by pressure retarded osmosis (PRO). This paper deals with natural organic matter (NOM) fouling. The impact of i.a. NOM concentration and ionic strength in the freshwater feed have been investigated for five different types of PRO membranes by performing fouling experiments in PRO mode at isobaric conditions.
An important finding was that fouling propensity in terms of relative flux decline as a function of accumulated NOM load was independent of the NOM concentration at otherwise identical conditions. Further, it was confirmed that increased ionic strength in the support structure, due to internal concentration polarisation and reverse salt diffusion, aggravates membrane fouling in PRO.
The observed variation in fouling propensity between different types of PRO membranes was significant. The CA membrane was less susceptible to NOM fouling than the four TFC types of PRO membranes. It is anticipated that the variation in fouling propensity that were observed for different membranes was related to both material and structural properties of the membranes. The results show the importance of applying fouling propensity as an additional main criterion to membrane performance during future research and development of PRO membranes.
•Five different types of PRO membranes have been tested for NOM fouling propensity.•Fouling propensity was found to be independent of NOM concentration.•Fouling propensity differed significantly among the different types of membranes.•Variations in fouling propensity were related to material and structural characteristics.</description><subject>Accumulated NOM load</subject><subject>artificial membranes</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Exact sciences and technology</subject><subject>Flux decline</subject><subject>Fouling</subject><subject>freshwater</subject><subject>Freshwaters</subject><subject>General and physical chemistry</subject><subject>ionic strength</subject><subject>Membranes</subject><subject>Natural organic matter (NOM)</subject><subject>organic matter</subject><subject>Osmosis</subject><subject>Osmotic power</subject><subject>Power generation</subject><subject>Pressure retarded osmosis (PRO)</subject><subject>research and development</subject><subject>Strength</subject><issn>0376-7388</issn><issn>1873-3123</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkMFq3DAQhkVpoZu0b1CoL4VcvJ2RZEsmUAghTQqhPbQ5C608WrTY1kayC3n7aHHoMRQG5vLN_w8fY58QtgjYfj1sRxqzC1sOKLZQhsMbtkGtRC2Qi7dsA0K1tRJav2dnOR8AUIHuNuzyp52XZIcqpr2dgqtGO8-UKh-XIUz7KkzVMVHOS6Iq0WxTT30V8xhzyB_YO2-HTB9f9jl7-H7z5_quvv91--P66r52De_mWsqdB0TVAsiedCO163tQvNsp7blsUXeet54r3cp-JzTXiNjshO-87siiOGcXa-4xxceF8mzGkB0Ng50oLtmgakTTyBb-A21QnBq5LqhcUZdizom8OaYw2vRkEMxJqzmYVas5aTVQhkM5-_LSYLOzg092ciH_u-VKctXotnCfV87baOw-FebhdwkqFkDLDk9J31aCiru_gZIpXTQ56kMiN5s-htdfeQakUpbE</recordid><startdate>20130701</startdate><enddate>20130701</enddate><creator>Thelin, Willy R.</creator><creator>Sivertsen, Edvard</creator><creator>Holt, Torleif</creator><creator>Brekke, Geir</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>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20130701</creationdate><title>Natural organic matter fouling in pressure retarded osmosis</title><author>Thelin, Willy R. ; Sivertsen, Edvard ; Holt, Torleif ; Brekke, Geir</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c529t-44bf01176004de8548cdd0729b78f246189f26f27864db38281115b3f9f89ea13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Accumulated NOM load</topic><topic>artificial membranes</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Exact sciences and technology</topic><topic>Flux decline</topic><topic>Fouling</topic><topic>freshwater</topic><topic>Freshwaters</topic><topic>General and physical chemistry</topic><topic>ionic strength</topic><topic>Membranes</topic><topic>Natural organic matter (NOM)</topic><topic>organic matter</topic><topic>Osmosis</topic><topic>Osmotic power</topic><topic>Power generation</topic><topic>Pressure retarded osmosis (PRO)</topic><topic>research and development</topic><topic>Strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thelin, Willy R.</creatorcontrib><creatorcontrib>Sivertsen, Edvard</creatorcontrib><creatorcontrib>Holt, Torleif</creatorcontrib><creatorcontrib>Brekke, Geir</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</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) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of membrane science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thelin, Willy R.</au><au>Sivertsen, Edvard</au><au>Holt, Torleif</au><au>Brekke, Geir</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Natural organic matter fouling in pressure retarded osmosis</atitle><jtitle>Journal of membrane science</jtitle><date>2013-07-01</date><risdate>2013</risdate><volume>438</volume><spage>46</spage><epage>56</epage><pages>46-56</pages><issn>0376-7388</issn><eissn>1873-3123</eissn><coden>JMESDO</coden><abstract>Fouling is one of the major challenges to be solved in order to commercialise osmotic power generation by pressure retarded osmosis (PRO). This paper deals with natural organic matter (NOM) fouling. The impact of i.a. NOM concentration and ionic strength in the freshwater feed have been investigated for five different types of PRO membranes by performing fouling experiments in PRO mode at isobaric conditions.
An important finding was that fouling propensity in terms of relative flux decline as a function of accumulated NOM load was independent of the NOM concentration at otherwise identical conditions. Further, it was confirmed that increased ionic strength in the support structure, due to internal concentration polarisation and reverse salt diffusion, aggravates membrane fouling in PRO.
The observed variation in fouling propensity between different types of PRO membranes was significant. The CA membrane was less susceptible to NOM fouling than the four TFC types of PRO membranes. It is anticipated that the variation in fouling propensity that were observed for different membranes was related to both material and structural properties of the membranes. The results show the importance of applying fouling propensity as an additional main criterion to membrane performance during future research and development of PRO membranes.
•Five different types of PRO membranes have been tested for NOM fouling propensity.•Fouling propensity was found to be independent of NOM concentration.•Fouling propensity differed significantly among the different types of membranes.•Variations in fouling propensity were related to material and structural characteristics.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.memsci.2013.03.020</doi><tpages>11</tpages></addata></record> |
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subjects | Accumulated NOM load artificial membranes Chemistry Colloidal state and disperse state Exact sciences and technology Flux decline Fouling freshwater Freshwaters General and physical chemistry ionic strength Membranes Natural organic matter (NOM) organic matter Osmosis Osmotic power Power generation Pressure retarded osmosis (PRO) research and development Strength |
title | Natural organic matter fouling in pressure retarded osmosis |
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