Role of membrane pore size in tertiary flocculation/adsorption/ultrafiltration treatment of municipal wastewater
Flocculation, adsorption onto powered activated carbon (PAC), and ultrafiltration (UF), alone and in combination, were tested for tertiary treatment of the secondary effluent from municipal wastewater treatment at the Ashkelon plant (in southern Israel). Encouraging and reliable results of total org...
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| Veröffentlicht in: | Separation and purification technology 2008-07, Vol.61 (2), p.193-203 |
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| creator | Goren, Uri Aharoni, Avi Kummel, Mario Messalem, Rami Mukmenev, Igor Brenner, Asher Gitis, Vitaly |
| description | Flocculation, adsorption onto powered activated carbon (PAC), and ultrafiltration (UF), alone and in combination, were tested for tertiary treatment of the secondary effluent from municipal wastewater treatment at the Ashkelon plant (in southern Israel). Encouraging and reliable results of total organic carbon (TOC) of |
| doi_str_mv | 10.1016/j.seppur.2007.10.014 |
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mg/l were achieved with a combination of 130
mg/l FeCl
3, 0.6
g/l PAC and UF. The relative contribution of the UF membrane to the reduction of TOC changed with the molecular weight cut-off (MWCO) of the membrane, from a negligible 2.9% for a 100-kDa-MWCO membrane to 17% for 10- and 2-kDa membranes. The latter membranes, however, developed significant fouling, with a 35% drop in flux during first 30
min of the filtration cycle. The flux drop for the 50- and 100-kDa membranes was in the low range of ∼3%. The optimal MWCO interval of 20- to 50-kDa in combination with flocculation/PAC pretreatment gave a significant reduction in organic content with minimal membrane fouling. Detailed GC–MS analysis showed that the combined treatment gave very efficient retention of organic compounds with molecular weights below 800
Da, with the consequent absence of harmful compounds in the tertiary effluent. It was therefore concluded that the recommended flocculation/adsorption protocol constitutes an effective pretreatment for UF and that the obtained tertiary effluent can be used for unrestricted irrigation.</description><identifier>ISSN: 1383-5866</identifier><identifier>EISSN: 1873-3794</identifier><identifier>DOI: 10.1016/j.seppur.2007.10.014</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Adsorption ; Alum ; Applied sciences ; Chemical engineering ; Exact sciences and technology ; Ferric chloride ; Filtration ; General purification processes ; Liquid-liquid and fluid-solid mechanical separations ; Membrane separation (reverse osmosis, dialysis...) ; PAC ; Pollution ; Pretreatment ; Relative removal ; Wastewaters ; Water treatment and pollution</subject><ispartof>Separation and purification technology, 2008-07, Vol.61 (2), p.193-203</ispartof><rights>2007 Elsevier B.V.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-c66a5ed4b8b9014df053af1b05fff7be9d6db51da165920e48e84d79b7eb3f743</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1383586607004789$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20329629$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Goren, Uri</creatorcontrib><creatorcontrib>Aharoni, Avi</creatorcontrib><creatorcontrib>Kummel, Mario</creatorcontrib><creatorcontrib>Messalem, Rami</creatorcontrib><creatorcontrib>Mukmenev, Igor</creatorcontrib><creatorcontrib>Brenner, Asher</creatorcontrib><creatorcontrib>Gitis, Vitaly</creatorcontrib><title>Role of membrane pore size in tertiary flocculation/adsorption/ultrafiltration treatment of municipal wastewater</title><title>Separation and purification technology</title><description>Flocculation, adsorption onto powered activated carbon (PAC), and ultrafiltration (UF), alone and in combination, were tested for tertiary treatment of the secondary effluent from municipal wastewater treatment at the Ashkelon plant (in southern Israel). Encouraging and reliable results of total organic carbon (TOC) of <3
mg/l were achieved with a combination of 130
mg/l FeCl
3, 0.6
g/l PAC and UF. The relative contribution of the UF membrane to the reduction of TOC changed with the molecular weight cut-off (MWCO) of the membrane, from a negligible 2.9% for a 100-kDa-MWCO membrane to 17% for 10- and 2-kDa membranes. The latter membranes, however, developed significant fouling, with a 35% drop in flux during first 30
min of the filtration cycle. The flux drop for the 50- and 100-kDa membranes was in the low range of ∼3%. The optimal MWCO interval of 20- to 50-kDa in combination with flocculation/PAC pretreatment gave a significant reduction in organic content with minimal membrane fouling. Detailed GC–MS analysis showed that the combined treatment gave very efficient retention of organic compounds with molecular weights below 800
Da, with the consequent absence of harmful compounds in the tertiary effluent. It was therefore concluded that the recommended flocculation/adsorption protocol constitutes an effective pretreatment for UF and that the obtained tertiary effluent can be used for unrestricted irrigation.</description><subject>Adsorption</subject><subject>Alum</subject><subject>Applied sciences</subject><subject>Chemical engineering</subject><subject>Exact sciences and technology</subject><subject>Ferric chloride</subject><subject>Filtration</subject><subject>General purification processes</subject><subject>Liquid-liquid and fluid-solid mechanical separations</subject><subject>Membrane separation (reverse osmosis, dialysis...)</subject><subject>PAC</subject><subject>Pollution</subject><subject>Pretreatment</subject><subject>Relative removal</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><issn>1383-5866</issn><issn>1873-3794</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLxTAQhYsoeH38AxfZ6K7XpGmTdiOI-AJBEF2HNJlALmlTk1TRX2_qvbh0k0yGM2dyvqI4I3hNMGGXm3WEaZrDusKY59Yak3qvWJGW05Lyrt7PNW1p2bSMHRZHMW4wJpy01aqYXrwD5A0aYOiDHAFNPgCK9huQHVGCkKwMX8g4r9TsZLJ-vJQ6-jD9lrNLQRq7nMsbpQAyDTCmX895tMpO0qFPGRN8ymx3UhwY6SKc7u7j4u3u9vXmoXx6vn-8uX4qFWU8lYox2YCu-7bvchptcEOlIT1ujDG8h04z3TdES8KarsJQt9DWmnc9h54aXtPj4mLrOwX_PkNMYrBRgXM5o5-jqDI5WreLsN4KVfAxBjBiCnbImQXBYsErNmKLVyx4l27-UB473_nLqKQzmZ2y8W-2wrTqWNVl3dVWBznsh4UgorIwKtA2gEpCe_v_oh_11ZbQ</recordid><startdate>20080701</startdate><enddate>20080701</enddate><creator>Goren, Uri</creator><creator>Aharoni, Avi</creator><creator>Kummel, Mario</creator><creator>Messalem, Rami</creator><creator>Mukmenev, Igor</creator><creator>Brenner, Asher</creator><creator>Gitis, Vitaly</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>20080701</creationdate><title>Role of membrane pore size in tertiary flocculation/adsorption/ultrafiltration treatment of municipal wastewater</title><author>Goren, Uri ; Aharoni, Avi ; Kummel, Mario ; Messalem, Rami ; Mukmenev, Igor ; Brenner, Asher ; Gitis, Vitaly</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-c66a5ed4b8b9014df053af1b05fff7be9d6db51da165920e48e84d79b7eb3f743</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Adsorption</topic><topic>Alum</topic><topic>Applied sciences</topic><topic>Chemical engineering</topic><topic>Exact sciences and technology</topic><topic>Ferric chloride</topic><topic>Filtration</topic><topic>General purification processes</topic><topic>Liquid-liquid and fluid-solid mechanical separations</topic><topic>Membrane separation (reverse osmosis, dialysis...)</topic><topic>PAC</topic><topic>Pollution</topic><topic>Pretreatment</topic><topic>Relative removal</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goren, Uri</creatorcontrib><creatorcontrib>Aharoni, Avi</creatorcontrib><creatorcontrib>Kummel, Mario</creatorcontrib><creatorcontrib>Messalem, Rami</creatorcontrib><creatorcontrib>Mukmenev, Igor</creatorcontrib><creatorcontrib>Brenner, Asher</creatorcontrib><creatorcontrib>Gitis, Vitaly</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Separation and purification technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goren, Uri</au><au>Aharoni, Avi</au><au>Kummel, Mario</au><au>Messalem, Rami</au><au>Mukmenev, Igor</au><au>Brenner, Asher</au><au>Gitis, Vitaly</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Role of membrane pore size in tertiary flocculation/adsorption/ultrafiltration treatment of municipal wastewater</atitle><jtitle>Separation and purification technology</jtitle><date>2008-07-01</date><risdate>2008</risdate><volume>61</volume><issue>2</issue><spage>193</spage><epage>203</epage><pages>193-203</pages><issn>1383-5866</issn><eissn>1873-3794</eissn><abstract>Flocculation, adsorption onto powered activated carbon (PAC), and ultrafiltration (UF), alone and in combination, were tested for tertiary treatment of the secondary effluent from municipal wastewater treatment at the Ashkelon plant (in southern Israel). Encouraging and reliable results of total organic carbon (TOC) of <3
mg/l were achieved with a combination of 130
mg/l FeCl
3, 0.6
g/l PAC and UF. The relative contribution of the UF membrane to the reduction of TOC changed with the molecular weight cut-off (MWCO) of the membrane, from a negligible 2.9% for a 100-kDa-MWCO membrane to 17% for 10- and 2-kDa membranes. The latter membranes, however, developed significant fouling, with a 35% drop in flux during first 30
min of the filtration cycle. The flux drop for the 50- and 100-kDa membranes was in the low range of ∼3%. The optimal MWCO interval of 20- to 50-kDa in combination with flocculation/PAC pretreatment gave a significant reduction in organic content with minimal membrane fouling. Detailed GC–MS analysis showed that the combined treatment gave very efficient retention of organic compounds with molecular weights below 800
Da, with the consequent absence of harmful compounds in the tertiary effluent. It was therefore concluded that the recommended flocculation/adsorption protocol constitutes an effective pretreatment for UF and that the obtained tertiary effluent can be used for unrestricted irrigation.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.seppur.2007.10.014</doi><tpages>11</tpages></addata></record> |
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| subjects | Adsorption Alum Applied sciences Chemical engineering Exact sciences and technology Ferric chloride Filtration General purification processes Liquid-liquid and fluid-solid mechanical separations Membrane separation (reverse osmosis, dialysis...) PAC Pollution Pretreatment Relative removal Wastewaters Water treatment and pollution |
| title | Role of membrane pore size in tertiary flocculation/adsorption/ultrafiltration treatment of municipal wastewater |
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