CASS工艺在低温废水处理中的应用

CO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCE《》20099（377）CO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCE12345678910HRTh℃-2～11-1～10-1～12-2～10-3～70～80～10-4～13-1～13-2～13CODcrmg/L82312309821124135412461102103513241225CODcrmg/L53564664563845535761MLSSg/L2.453.412.562.452.353.152.562.752.642.15kgCOD/kgMLSS.d0.480.510.530.720.680.590.750.700.700.64MLSS.d%93.695.495.194.395.997.096.094.995.795.1～℃。、40℃10℃6～10℃4～6℃。。、、、、。。。。CASS、、、、CASS。CASSCASSCASS。、200012。。612CASS42×16×5m3360m3。。SS。1#CASS1#CASS2#CASS。1#CASS1～1.53～41.1。。1#CASS。2#CASS。1#CASS1#CASSCASS。、、。。。CASS24hCASS———、、。、。-4～12℃-2～13℃HRT=3h5hT=240～300min、、、Q=2.0～2.2m3/minQ1=3000～3200m31/3～1/4。。①CODcr②DOYSI－52③BOD5④pHpHpH⑤SV%100ml1000ml⑥⑦YSI－52⑧、MLSS、SS。CASS□126CO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCE《》20099（377）CO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCECO-OPERATIVEECONOMY&SCIENCE。、、。、、、。、、。、。、、“”。、、、。、。、。□CODcrCODcr823～1354mg/L38～64mg/L93.6%～97.0%。MLSS=2.15～3.41g/L=0.46～0.75kgCOD/kgMLSS.d。CODcrCODcr2001～2007CODcr65mg/L0.80/。、。。。CASSSSSS100mg/LSS10mg/L。CASS。、。DOCASSDO——NP。15DO4.15mg/L0.28mg/LNO3-NNO2-NN2。—。N2。、、。CASSCODcr5%CASS。SVSVI、。、。HRT=3h5h。MLSS=3000～4500mg/L0.48～0.75kgCOD/kgMLSS.d。、。CASSSV、SVIMLSS、CASS。127