Design procedure for carbon removal in contact stabilization activated sludge process
The contact stabilization activated sludge process (CSASP) has been adopted and applied in full scale plants treating domestic sewage. Acquiring smaller volume thereby reducing costs and achieving the same treatment efficiency as the conventional activated sludge plants are the main advantages of th...
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| Veröffentlicht in: | Water science and technology 2003, Vol.48 (11-12), p.285-292 |
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| creator | SARIOGLU, M ORHON, D GÖRGÜN, E ARTAN, N |
| description | The contact stabilization activated sludge process (CSASP) has been adopted and applied in full scale plants treating domestic sewage. Acquiring smaller volume thereby reducing costs and achieving the same treatment efficiency as the conventional activated sludge plants are the main advantages of the CSASP. This activated sludge modification is especially ideal for small to mid-scale plants where influent wastewater contains a high fraction of particulate COD. The simulation results reveal that the same amount of mass sludge can be retained in the system with almost 30% volume reduction compared to conventional activated sludge plants. It is also found that the CSASP treatment efficiency increases when the particulate COD fraction of an influent domestic wastewater increases. The most important process component in the design of CSASP is the sludge distribution factor (alpha) which directly affects the effluent characterization. Having most of the biomass in the stabilization reactor (meaning low alpha values) decreases the nominal hydraulic retention time (thetaHN) of the system. However the sludge distribution factor must be high enough to ensure an acceptable effluent quality. |
| format | Article |
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Acquiring smaller volume thereby reducing costs and achieving the same treatment efficiency as the conventional activated sludge plants are the main advantages of the CSASP. This activated sludge modification is especially ideal for small to mid-scale plants where influent wastewater contains a high fraction of particulate COD. The simulation results reveal that the same amount of mass sludge can be retained in the system with almost 30% volume reduction compared to conventional activated sludge plants. It is also found that the CSASP treatment efficiency increases when the particulate COD fraction of an influent domestic wastewater increases. The most important process component in the design of CSASP is the sludge distribution factor (alpha) which directly affects the effluent characterization. Having most of the biomass in the stabilization reactor (meaning low alpha values) decreases the nominal hydraulic retention time (thetaHN) of the system. However the sludge distribution factor must be high enough to ensure an acceptable effluent quality.</description><identifier>ISSN: 0273-1223</identifier><identifier>ISBN: 1843394561</identifier><identifier>ISBN: 9781843394563</identifier><identifier>PMID: 14753548</identifier><identifier>CODEN: WSTED4</identifier><language>eng</language><publisher>London: IWA</publisher><subject>Applied sciences ; Biological and medical sciences ; Biological treatment of waters ; Biomass ; Biotechnology ; Carbon - isolation & purification ; Cost Control ; Environment and pollution ; Exact sciences and technology ; Facility Design and Construction ; Fundamental and applied biological sciences. Psychology ; General purification processes ; Industrial applications and implications. 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Acquiring smaller volume thereby reducing costs and achieving the same treatment efficiency as the conventional activated sludge plants are the main advantages of the CSASP. This activated sludge modification is especially ideal for small to mid-scale plants where influent wastewater contains a high fraction of particulate COD. The simulation results reveal that the same amount of mass sludge can be retained in the system with almost 30% volume reduction compared to conventional activated sludge plants. It is also found that the CSASP treatment efficiency increases when the particulate COD fraction of an influent domestic wastewater increases. The most important process component in the design of CSASP is the sludge distribution factor (alpha) which directly affects the effluent characterization. Having most of the biomass in the stabilization reactor (meaning low alpha values) decreases the nominal hydraulic retention time (thetaHN) of the system. 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Economical aspects</subject><subject>Pollution</subject><subject>Sewage - chemistry</subject><subject>Waste Disposal, Fluid - economics</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewaters</subject><subject>Water Movements</subject><subject>Water Purification - methods</subject><subject>Water treatment and pollution</subject><issn>0273-1223</issn><isbn>1843394561</isbn><isbn>9781843394563</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90EtLAzEUBeCAin3oX5BsFDcDeSezlGpVKLix6-Emk5TIPGoyU9Bf70Ar7lxdOHycA_cMLagRnJdCKnqO5oRpXlDG-Awtcv4ghGguyCWaUaEll8LM0fbR57jr8D71ztdj8jj0CTtItu9w8m1_gAbHDru-G8ANOA9gYxO_YYgTmJJ4gMHXODdjvfPHmpyv0EWAJvvr012i7frpffVSbN6eX1cPm2LPOB8KJXXNA1gP1tBSca2FlaF2HgIrS-mkE4ExYrmmgVtPGCgrjJEyuJIS6vgS3R17p93P0eehamN2vmmg8_2YK6qoEoaYCd7_DwkTSqjS8InenOhoW19X-xRbSF_V788mcHsCkB00IUHnYv5zUpSMaMN_AJ3PdwE</recordid><startdate>2003</startdate><enddate>2003</enddate><creator>SARIOGLU, M</creator><creator>ORHON, D</creator><creator>GÖRGÜN, E</creator><creator>ARTAN, N</creator><general>IWA</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</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><scope>H96</scope></search><sort><creationdate>2003</creationdate><title>Design procedure for carbon removal in contact stabilization activated sludge process</title><author>SARIOGLU, M ; ORHON, D ; GÖRGÜN, E ; ARTAN, N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p233t-657d3fabeab81963774b5fdceaf2995c5c4f220b371f3be02a6b48855fc9101c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Biological and medical sciences</topic><topic>Biological treatment of waters</topic><topic>Biomass</topic><topic>Biotechnology</topic><topic>Carbon - isolation & purification</topic><topic>Cost Control</topic><topic>Environment and pollution</topic><topic>Exact sciences and technology</topic><topic>Facility Design and Construction</topic><topic>Fundamental and applied biological sciences. 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| ispartof | Water science and technology, 2003, Vol.48 (11-12), p.285-292 |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Applied sciences Biological and medical sciences Biological treatment of waters Biomass Biotechnology Carbon - isolation & purification Cost Control Environment and pollution Exact sciences and technology Facility Design and Construction Fundamental and applied biological sciences. Psychology General purification processes Industrial applications and implications. Economical aspects Pollution Sewage - chemistry Waste Disposal, Fluid - economics Waste Disposal, Fluid - methods Wastewaters Water Movements Water Purification - methods Water treatment and pollution |
| title | Design procedure for carbon removal in contact stabilization activated sludge process |
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