Simultaneous nitrogen and phosphorus removal under low dissolved oxygen conditions
A full-scale test was operated by using low dissolved oxygen activated sludge process to enhance biological nitrogen and phosphorus removal. When the influent concentrations of CODcr, TN and TP varied in a range of 352.9 mg/L-1338.2 mg/L, 34.4 mg/L-96.3 mg/L, and 2.21 mg/L-24.0 mg/L, the average rem...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2001-01, Vol.13 (1), p.46-46 |
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| creator | Xia, S Q Gao, T Y Zhou, Z Y |
| description | A full-scale test was operated by using low dissolved oxygen activated sludge process to enhance biological nitrogen and phosphorus removal. When the influent concentrations of CODcr, TN and TP varied in a range of 352.9 mg/L-1338.2 mg/L, 34.4 mg/L-96.3 mg/L, and 2.21 mg/L-24.0 mg/L, the average removal efficiencies were 94.9%, 86.7% and 93.0%, respectively. During the test period of two months, effluent means of CODcr, BOD5, NH3-N, TN and TP were below 50 mg/L, 25 mg/L, 10 mg/L and 1.0 mg/L, respectively. The low dissolved oxygen activated sludge process has a simple flow sheet, fewer facilities and high N and P removal efficiency. It is very convenient to retrofit the conventional activated sludge process with the above process. |
| doi_str_mv | 10.3321/j.issn:1001-0742.2001.01.007 |
| format | Article |
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When the influent concentrations of CODcr, TN and TP varied in a range of 352.9 mg/L-1338.2 mg/L, 34.4 mg/L-96.3 mg/L, and 2.21 mg/L-24.0 mg/L, the average removal efficiencies were 94.9%, 86.7% and 93.0%, respectively. During the test period of two months, effluent means of CODcr, BOD5, NH3-N, TN and TP were below 50 mg/L, 25 mg/L, 10 mg/L and 1.0 mg/L, respectively. The low dissolved oxygen activated sludge process has a simple flow sheet, fewer facilities and high N and P removal efficiency. It is very convenient to retrofit the conventional activated sludge process with the above process.</description><identifier>ISSN: 1001-0742</identifier><identifier>DOI: 10.3321/j.issn:1001-0742.2001.01.007</identifier><identifier>PMID: 11590718</identifier><language>eng</language><publisher>Netherlands: School of Environmental Science and Engineering, Tongji University</publisher><subject>Bioreactors ; China ; Nitrogen - chemistry ; Nitrogen - isolation & purification ; Oxygen - chemistry ; Phosphorus - chemistry ; Phosphorus - isolation & purification ; Quaternary Ammonium Compounds - analysis ; Sewage - chemistry ; Water Pollutants, Chemical - isolation & purification ; Water Purification - methods</subject><ispartof>Journal of environmental sciences (China), 2001-01, Vol.13 (1), p.46-46</ispartof><rights>Copyright © Wanfang Data Co. Ltd. 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When the influent concentrations of CODcr, TN and TP varied in a range of 352.9 mg/L-1338.2 mg/L, 34.4 mg/L-96.3 mg/L, and 2.21 mg/L-24.0 mg/L, the average removal efficiencies were 94.9%, 86.7% and 93.0%, respectively. During the test period of two months, effluent means of CODcr, BOD5, NH3-N, TN and TP were below 50 mg/L, 25 mg/L, 10 mg/L and 1.0 mg/L, respectively. The low dissolved oxygen activated sludge process has a simple flow sheet, fewer facilities and high N and P removal efficiency. It is very convenient to retrofit the conventional activated sludge process with the above process.</description><subject>Bioreactors</subject><subject>China</subject><subject>Nitrogen - chemistry</subject><subject>Nitrogen - isolation & purification</subject><subject>Oxygen - chemistry</subject><subject>Phosphorus - chemistry</subject><subject>Phosphorus - isolation & purification</subject><subject>Quaternary Ammonium Compounds - analysis</subject><subject>Sewage - chemistry</subject><subject>Water Pollutants, Chemical - isolation & purification</subject><subject>Water Purification - methods</subject><issn>1001-0742</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFUE1PwzAMzQHExuAvoB4Qt5Z8NE3LDU0MkCYh8XGO0sUZrdqkJO3G_j2dNkC2Zevp2U9-CF0TnDBGyW2dVCHYO4IxibFIaULHKdknFido-odP0HkINcY45ZifoQkhvMCC5FP0-la1Q9MrC24Ika1679ZgI2V11H26MJYfcQ-t26gmGqwGHzVuG-lR2DUb0JH73u03Vs7qqq-cDRfo1KgmwOWxz9DH4uF9_hQvXx6f5_fLuKNZ0cc0p0YbUpYGSFlwU1BRiJxknKSgMsoyk6pCUQM8z00qChBlRlia4zJTuiSGzdDN4e5WWaPsWtZu8HZUlDUECXsrxsDin9h59zVA6GVbhRU0zeFrSVIuMs7ykXh1JA5lC1p2vmqV38lfu9gP2mJuww</recordid><startdate>200101</startdate><enddate>200101</enddate><creator>Xia, S Q</creator><creator>Gao, T Y</creator><creator>Zhou, Z Y</creator><general>School of Environmental Science and Engineering, Tongji University</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>200101</creationdate><title>Simultaneous nitrogen and phosphorus removal under low dissolved oxygen conditions</title><author>Xia, S Q ; Gao, T Y ; Zhou, Z Y</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p269t-282fdf1bbfe1b95f92797816514ea6236f4a9a2fe588f479e7b613480b6adb1f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Bioreactors</topic><topic>China</topic><topic>Nitrogen - chemistry</topic><topic>Nitrogen - isolation & purification</topic><topic>Oxygen - chemistry</topic><topic>Phosphorus - chemistry</topic><topic>Phosphorus - isolation & purification</topic><topic>Quaternary Ammonium Compounds - analysis</topic><topic>Sewage - chemistry</topic><topic>Water Pollutants, Chemical - isolation & purification</topic><topic>Water Purification - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xia, S Q</creatorcontrib><creatorcontrib>Gao, T Y</creatorcontrib><creatorcontrib>Zhou, Z Y</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of environmental sciences (China)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xia, S Q</au><au>Gao, T Y</au><au>Zhou, Z Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Simultaneous nitrogen and phosphorus removal under low dissolved oxygen conditions</atitle><jtitle>Journal of environmental sciences (China)</jtitle><addtitle>J Environ Sci (China)</addtitle><date>2001-01</date><risdate>2001</risdate><volume>13</volume><issue>1</issue><spage>46</spage><epage>46</epage><pages>46-46</pages><issn>1001-0742</issn><abstract>A full-scale test was operated by using low dissolved oxygen activated sludge process to enhance biological nitrogen and phosphorus removal. When the influent concentrations of CODcr, TN and TP varied in a range of 352.9 mg/L-1338.2 mg/L, 34.4 mg/L-96.3 mg/L, and 2.21 mg/L-24.0 mg/L, the average removal efficiencies were 94.9%, 86.7% and 93.0%, respectively. During the test period of two months, effluent means of CODcr, BOD5, NH3-N, TN and TP were below 50 mg/L, 25 mg/L, 10 mg/L and 1.0 mg/L, respectively. The low dissolved oxygen activated sludge process has a simple flow sheet, fewer facilities and high N and P removal efficiency. It is very convenient to retrofit the conventional activated sludge process with the above process.</abstract><cop>Netherlands</cop><pub>School of Environmental Science and Engineering, Tongji University</pub><pmid>11590718</pmid><doi>10.3321/j.issn:1001-0742.2001.01.007</doi><tpages>1</tpages></addata></record> |
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| ispartof | Journal of environmental sciences (China), 2001-01, Vol.13 (1), p.46-46 |
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| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Bioreactors China Nitrogen - chemistry Nitrogen - isolation & purification Oxygen - chemistry Phosphorus - chemistry Phosphorus - isolation & purification Quaternary Ammonium Compounds - analysis Sewage - chemistry Water Pollutants, Chemical - isolation & purification Water Purification - methods |
| title | Simultaneous nitrogen and phosphorus removal under low dissolved oxygen conditions |
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