Anaerobic/oxic Treatment of Slurry-type Swine Waste
This paper presents the experimental results in five months operation from a combined anaerobic/oxic system treating swine waste with average concentrations in organic matter and nitrogen of 7,930 mgCOD/L and 671 mgTKN/L, respectively. The system was formed using an upflow anaerobic sludge blanket (...
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Veröffentlicht in: | Environmental engineering research 2008, Vol.13 (4), p.203-209 |
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description | This paper presents the experimental results in five months operation from a combined anaerobic/oxic system treating swine waste with average concentrations in organic matter and nitrogen of 7,930 mgCOD/L and 671 mgTKN/L, respectively. The system was formed using an upflow anaerobic sludge blanket (UASB) reactor and oxic reactor connected in series with a recycling line of oxic effluents to UASB for its denitrification. The UASB reactor was operated at an organic volumetric loading rate (VLR) of $2.1{\sim}4.5\;kgTCOD/m^3$/day and the removal efficiency of TCOD was $66.3{\sim}85.4%$. The overall removal efficiency of TCOD was more than 99%. The oxic reactor was operated at a nitrogen VLR of $0.10{\sim}0.20\;kgTKN/m^3$/day and the nitrification efficiency was 75%. However, the complete denitrification was observed in the UASB reactor that was due to the optimal temperature and sufficient carbon source. The overall removal rate of TN was about 80%. About 76.2% of the influent COD mass was accountable in a COD mass balance at a level of VLR $3.64\;kgCOD/m^3$/day. The production rate of methane was $0.32\;LCH_4/gCOD_{removed}$ when influent organics, VLR, were recorded by $3.4{\sim}4.5\;kgCOD/m^3$/day. |
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The system was formed using an upflow anaerobic sludge blanket (UASB) reactor and oxic reactor connected in series with a recycling line of oxic effluents to UASB for its denitrification. The UASB reactor was operated at an organic volumetric loading rate (VLR) of $2.1{\sim}4.5\;kgTCOD/m^3$/day and the removal efficiency of TCOD was $66.3{\sim}85.4%$. The overall removal efficiency of TCOD was more than 99%. The oxic reactor was operated at a nitrogen VLR of $0.10{\sim}0.20\;kgTKN/m^3$/day and the nitrification efficiency was 75%. However, the complete denitrification was observed in the UASB reactor that was due to the optimal temperature and sufficient carbon source. The overall removal rate of TN was about 80%. About 76.2% of the influent COD mass was accountable in a COD mass balance at a level of VLR $3.64\;kgCOD/m^3$/day. The production rate of methane was $0.32\;LCH_4/gCOD_{removed}$ when influent organics, VLR, were recorded by $3.4{\sim}4.5\;kgCOD/m^3$/day.</description><identifier>ISSN: 1226-1025</identifier><identifier>EISSN: 2005-968X</identifier><language>kor</language><ispartof>Environmental engineering research, 2008, Vol.13 (4), p.203-209</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,4010</link.rule.ids></links><search><creatorcontrib>Won, Chul-Hee</creatorcontrib><creatorcontrib>Rim, Jay-Myoung</creatorcontrib><title>Anaerobic/oxic Treatment of Slurry-type Swine Waste</title><title>Environmental engineering research</title><addtitle>Environmental engineering research</addtitle><description>This paper presents the experimental results in five months operation from a combined anaerobic/oxic system treating swine waste with average concentrations in organic matter and nitrogen of 7,930 mgCOD/L and 671 mgTKN/L, respectively. The system was formed using an upflow anaerobic sludge blanket (UASB) reactor and oxic reactor connected in series with a recycling line of oxic effluents to UASB for its denitrification. The UASB reactor was operated at an organic volumetric loading rate (VLR) of $2.1{\sim}4.5\;kgTCOD/m^3$/day and the removal efficiency of TCOD was $66.3{\sim}85.4%$. The overall removal efficiency of TCOD was more than 99%. The oxic reactor was operated at a nitrogen VLR of $0.10{\sim}0.20\;kgTKN/m^3$/day and the nitrification efficiency was 75%. However, the complete denitrification was observed in the UASB reactor that was due to the optimal temperature and sufficient carbon source. The overall removal rate of TN was about 80%. About 76.2% of the influent COD mass was accountable in a COD mass balance at a level of VLR $3.64\;kgCOD/m^3$/day. The production rate of methane was $0.32\;LCH_4/gCOD_{removed}$ when influent organics, VLR, were recorded by $3.4{\sim}4.5\;kgCOD/m^3$/day.</description><issn>1226-1025</issn><issn>2005-968X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>JDI</sourceid><recordid>eNpjYuA0MjAw1bU0s4hgYeA0NDIy0zU0MDLlYOAtLs5MMjA1NjY3szA24GQwdsxLTC3KT8pM1s-vyExWCClKTSzJTc0rUchPUwjOKS0qqtQtqSxIVQguz8xLVQhPLC5J5WFgTUvMKU7lhdLcDKpuriHOHrrZmcUlmfF5KcU58V6O3v5AJ1gYGJiYGlsYm1oamRgTqw4AAIM0YQ</recordid><startdate>2008</startdate><enddate>2008</enddate><creator>Won, Chul-Hee</creator><creator>Rim, Jay-Myoung</creator><scope>JDI</scope></search><sort><creationdate>2008</creationdate><title>Anaerobic/oxic Treatment of Slurry-type Swine Waste</title><author>Won, Chul-Hee ; Rim, Jay-Myoung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-kisti_ndsl_JAKO2008004538359243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>kor</language><creationdate>2008</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Won, Chul-Hee</creatorcontrib><creatorcontrib>Rim, Jay-Myoung</creatorcontrib><collection>KoreaScience</collection><jtitle>Environmental engineering research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Won, Chul-Hee</au><au>Rim, Jay-Myoung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Anaerobic/oxic Treatment of Slurry-type Swine Waste</atitle><jtitle>Environmental engineering research</jtitle><addtitle>Environmental engineering research</addtitle><date>2008</date><risdate>2008</risdate><volume>13</volume><issue>4</issue><spage>203</spage><epage>209</epage><pages>203-209</pages><issn>1226-1025</issn><eissn>2005-968X</eissn><abstract>This paper presents the experimental results in five months operation from a combined anaerobic/oxic system treating swine waste with average concentrations in organic matter and nitrogen of 7,930 mgCOD/L and 671 mgTKN/L, respectively. The system was formed using an upflow anaerobic sludge blanket (UASB) reactor and oxic reactor connected in series with a recycling line of oxic effluents to UASB for its denitrification. The UASB reactor was operated at an organic volumetric loading rate (VLR) of $2.1{\sim}4.5\;kgTCOD/m^3$/day and the removal efficiency of TCOD was $66.3{\sim}85.4%$. The overall removal efficiency of TCOD was more than 99%. The oxic reactor was operated at a nitrogen VLR of $0.10{\sim}0.20\;kgTKN/m^3$/day and the nitrification efficiency was 75%. However, the complete denitrification was observed in the UASB reactor that was due to the optimal temperature and sufficient carbon source. The overall removal rate of TN was about 80%. About 76.2% of the influent COD mass was accountable in a COD mass balance at a level of VLR $3.64\;kgCOD/m^3$/day. The production rate of methane was $0.32\;LCH_4/gCOD_{removed}$ when influent organics, VLR, were recorded by $3.4{\sim}4.5\;kgCOD/m^3$/day.</abstract><oa>free_for_read</oa></addata></record> |
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title | Anaerobic/oxic Treatment of Slurry-type Swine Waste |
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