Stability of P Saturated Water Treatment Residuals under Different Levels of Dissolved Oxygen
Water treatment residuals (WTRs) are effective phosphorus (P) immobilizers that have been used in constructed wetlands (CWs). In CWs, dissolved oxygen (DO) levels vary from location to location and fluctuate over time. Therefore, this work accessed the stability of P saturated ferric and alum water...
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| Veröffentlicht in: | Clean : soil, air, water air, water, 2012-08, Vol.40 (8), p.844-849 |
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| creator | Wang, Changhui Fei, Chengbo Pei, Yuansheng |
| description | Water treatment residuals (WTRs) are effective phosphorus (P) immobilizers that have been used in constructed wetlands (CWs). In CWs, dissolved oxygen (DO) levels vary from location to location and fluctuate over time. Therefore, this work accessed the stability of P saturated ferric and alum water treatment residuals (FARs) under low ( |
| doi_str_mv | 10.1002/clen.201100663 |
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Water treatment residuals are effective phosphorus immobilizers in constructed wetlands (CWs). In CWs, dissolved oxygen levels vary from location to location and fluctuate over time. The results of this study indicate that FARs are a safe P adsorption medium for the CWs.</description><identifier>ISSN: 1863-0650</identifier><identifier>EISSN: 1863-0669</identifier><identifier>DOI: 10.1002/clen.201100663</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Desorption ; DO levels ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Hydrology ; Hydrology. Hydrogeology ; Oxygen ; Phosphorus ; Water treatment ; Water treatment residuals</subject><ispartof>Clean : soil, air, water, 2012-08, Vol.40 (8), p.844-849</ispartof><rights>Copyright © 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4583-a0b0628ac960e95da3c2d510b8d263432569968ef0dc3004e55014a0f12826fa3</citedby><cites>FETCH-LOGICAL-c4583-a0b0628ac960e95da3c2d510b8d263432569968ef0dc3004e55014a0f12826fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fclen.201100663$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fclen.201100663$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26335841$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Changhui</creatorcontrib><creatorcontrib>Fei, Chengbo</creatorcontrib><creatorcontrib>Pei, Yuansheng</creatorcontrib><title>Stability of P Saturated Water Treatment Residuals under Different Levels of Dissolved Oxygen</title><title>Clean : soil, air, water</title><addtitle>Clean Soil Air Water</addtitle><description>Water treatment residuals (WTRs) are effective phosphorus (P) immobilizers that have been used in constructed wetlands (CWs). In CWs, dissolved oxygen (DO) levels vary from location to location and fluctuate over time. Therefore, this work accessed the stability of P saturated ferric and alum water treatment residuals (FARs) under low (<1 mg/L), medium (2–4 mg/L), and high (5–8 mg/L) DO levels. In the experiments, which had a 40‐day duration, three stages of P release from the P saturated FARs were observed: an initial rapid P desorption stage, followed by a P re‐adsorption stage, and a P desorption balance stage. The strongest bonding between P and FARs occurred at the low DO level. A limited amount of Fe and Al was released from the P saturated FARs. Interestingly, the P in the FARs tended to transform from the Al bound P to the Fe bound P, and this transformation was stronger at lower DO levels. However, no more than 1.12% of the total P in the P saturated FARs was desorbed under any of these DO levels. Therefore, FARs can be considered as a safe P adsorption medium for CWs.
Water treatment residuals are effective phosphorus immobilizers in constructed wetlands (CWs). In CWs, dissolved oxygen levels vary from location to location and fluctuate over time. The results of this study indicate that FARs are a safe P adsorption medium for the CWs.</description><subject>Desorption</subject><subject>DO levels</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Hydrology</subject><subject>Hydrology. Hydrogeology</subject><subject>Oxygen</subject><subject>Phosphorus</subject><subject>Water treatment</subject><subject>Water treatment residuals</subject><issn>1863-0650</issn><issn>1863-0669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkE1P3DAQhqOqSKXAtedIFVIv2Y7t2HGOaGGh0mpBfJRTZXmdcWWaTaidUPbfM6tFK9QLF3_N84ztN8u-MJgwAP7dtdhNODDaKCU-ZPtMK1HQuv64W0v4lH1O6YEQYIrtZ79uBrsMbRjWee_zq_zGDmO0Azb5PY0xv41ohxV2Q36NKTSjbVM-dg1VToP3GDeVOT4hHZN_GlLq2yeyL5_Xv7E7zPY8GXj0Oh9kd7Oz2-lFMb88_zE9mReulFoUFpaguLauVoC1bKxwvJEMlrrhSpSCS1XXSqOHxgmAEqUEVlrwjGuuvBUH2bdt38fY_x0xDWYVksO2tR32YzKsqpQqa8UrQr_-hz70Y-zodUQppSm9EoiabCkX-5QievMYw8rGtWFgNmmbTdpmlzYJx69tbXK29dF2LqSdRd8QUpeMuHrL_Qstrt_paqbzs8XbO4qtG9KAzzvXxj9GVaKS5n5xbq64-jm70DOzEC_uwZ4P</recordid><startdate>201208</startdate><enddate>201208</enddate><creator>Wang, Changhui</creator><creator>Fei, Chengbo</creator><creator>Pei, Yuansheng</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley-VCH</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>201208</creationdate><title>Stability of P Saturated Water Treatment Residuals under Different Levels of Dissolved Oxygen</title><author>Wang, Changhui ; Fei, Chengbo ; Pei, Yuansheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4583-a0b0628ac960e95da3c2d510b8d263432569968ef0dc3004e55014a0f12826fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Desorption</topic><topic>DO levels</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Hydrology</topic><topic>Hydrology. Hydrogeology</topic><topic>Oxygen</topic><topic>Phosphorus</topic><topic>Water treatment</topic><topic>Water treatment residuals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Changhui</creatorcontrib><creatorcontrib>Fei, Chengbo</creatorcontrib><creatorcontrib>Pei, Yuansheng</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment 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) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Clean : soil, air, water</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Changhui</au><au>Fei, Chengbo</au><au>Pei, Yuansheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stability of P Saturated Water Treatment Residuals under Different Levels of Dissolved Oxygen</atitle><jtitle>Clean : soil, air, water</jtitle><addtitle>Clean Soil Air Water</addtitle><date>2012-08</date><risdate>2012</risdate><volume>40</volume><issue>8</issue><spage>844</spage><epage>849</epage><pages>844-849</pages><issn>1863-0650</issn><eissn>1863-0669</eissn><abstract>Water treatment residuals (WTRs) are effective phosphorus (P) immobilizers that have been used in constructed wetlands (CWs). In CWs, dissolved oxygen (DO) levels vary from location to location and fluctuate over time. Therefore, this work accessed the stability of P saturated ferric and alum water treatment residuals (FARs) under low (<1 mg/L), medium (2–4 mg/L), and high (5–8 mg/L) DO levels. In the experiments, which had a 40‐day duration, three stages of P release from the P saturated FARs were observed: an initial rapid P desorption stage, followed by a P re‐adsorption stage, and a P desorption balance stage. The strongest bonding between P and FARs occurred at the low DO level. A limited amount of Fe and Al was released from the P saturated FARs. Interestingly, the P in the FARs tended to transform from the Al bound P to the Fe bound P, and this transformation was stronger at lower DO levels. However, no more than 1.12% of the total P in the P saturated FARs was desorbed under any of these DO levels. Therefore, FARs can be considered as a safe P adsorption medium for CWs.
Water treatment residuals are effective phosphorus immobilizers in constructed wetlands (CWs). In CWs, dissolved oxygen levels vary from location to location and fluctuate over time. The results of this study indicate that FARs are a safe P adsorption medium for the CWs.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/clen.201100663</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Desorption DO levels Earth sciences Earth, ocean, space Exact sciences and technology Hydrology Hydrology. Hydrogeology Oxygen Phosphorus Water treatment Water treatment residuals |
| title | Stability of P Saturated Water Treatment Residuals under Different Levels of Dissolved Oxygen |
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