SBR工艺与CASS工艺的比较田立江

SBRCASS(中国矿业大学环境与测绘学院江苏徐州221008)SBR(),SBR,CASSSBRCASS,SBR工艺CASS工艺脱氮除磷ComparisonofSBRprocessandCASSProcessTianLijiangAbstractComparisonofprinciple,characteristic,economyandoperationofSBRprocessandCASSprocessiscarriedout,andthetheoreticalbasisoffollowingprocesschoiceisprovided.KeywordsSBRprocessCASSprocessDenifrificationanddephosphorizationSBR,CASS,SBRCASS,SBR,CASSSBR,11.1原理SBRSBR,[1],CASS,CASS:(DO0.2mg/L)(DO0.5mg/L)(DO=(2~3)mg/L)CASS,,,1.2工艺特点,SBR:,,,;,,;,;,;(),[1,7]CASS,:CASS;,;,2SBR,,,SBR,,,,;COD,,CASS,,CASS,,,,14/SBRCASS,[5]3,SBR,,;;CASS[3],,(2mg/L),,(PHB),,[3,4],,20%,,,,[1]44.1经济性比较SBR,,,Ketchum,SBR,30%,,SBR,20%~30%,,CASS,,,25%,;,,20%~30%;,,,,,25%CASS,4.2运行方式比较SBR,,,[1]CASS,,,,CASSSBR,5SBR,,,,,,,,SBR,,SBR,CASS,SBR,CASS,,,6,,,SBRCASS,(下转第21页)15162200362.2工艺流程的操作说明,:(1)(0.3~0.4)Mpa,;(2)60%-80%,;(3)30cm,;(4),,:30cm,:(1),;(2)(50-60)cm,;(3),,;(4),352.3工艺流程的特点(1),(2),(3),(4),,33.1萃取废水的处理效果,,(),(),()pHSSCODBOD5343mg/L(%)pH8.93-9.279.1310.08-10.4810.32SS416-49645625-383293.0COD3.77104-4.591044.181047.73103-9.561038.6410379.3BOD51.46104-1.931041.701043.08103-4.171033.6210378.74mg/L(%)pH7.40-7.607.516-90SS16-44282000COD10-40.823.11500BOD59.4-30.515.4600:SSCODBOD593.0%79.3%78.7%,pHSSCODBOD54(GB89781996)23.2主要技术经济指标5511160m3/d50m3/d400t6003804(1),,,(2),GB8978-1996(3)(:20030128)(上接第15页)1..:,2001.42..:,2001.63..:,2001.54..:,2001.65..:,2002.46,.SBR.2002,18(7):7,.SBR.2002,33(2):(收稿日期20030318)2116220036