Vol.32 No.11 200657 UASB———MBR潘碌亭1 罗华飞1 张选军2 蒋柱武2(1, 200092;2, 200092) 某化纤厂产生的聚酯废水CODCr3万~6万mg/L,pH3~5,无色透明且有刺激性气味,生化性较差,BOD/COD为0.27,废水排放总量为150m3/d。采用UASB—水解酸化—接触氧化—MBR工艺,取得了较好的效果。最终出水CODCr在100mg/L以下,BOD5在30mg/L以下,SS在30mg/L以下,各项指标都达到了《污水综合排放标准》(GB8978—1996)的一级标准。 聚酯废水 UASB 接触氧化 MBR、、、,。、、—,《》(GB8978—1996)。MBR,,,,,。,CODCr3~6mg/L;,pH3~5;,150m3/d。,BOD/COD0.27。,,UASB———MBR,,GB8978—1996。1 ,。1。1 CODCr/mg/LBOD5/mg/LSS/mg/LpH3~67500~9800160~2003~510030706~92 2.1 (1)1 2.2 (1)。1,Ø1.8m×6m,16m3,HRT3h,pH3~5,CODCr3~6mg/L。,CODCr13000mg/L。(2)pH。,1,pH,NaOH99.5%、99.5%,GB15581—95。(2)、,pH,,,。(3),,。 ☆:550002196A10:(0851)5809277E-mail:ghome@vip.163.com:2006-05-29:2006-07-20DOI:牨牥牨牫牱牳牴牤jcnkiwwe牨牴牰牬牪牥牥牰牨牨牥牨牰58 Vol.32 No.11 2006pH10.5~11。(3)UASB。4,,,3.5m×3.5m×8m,7.5m,367.5m3,HRT36.45h。,15%;1.5m;,;,;200mm,。(4)。1,,3.4m×4m×4.5m,4m,HRT13h,,Ø150mm,60%。。(5)。2,,3m×8m×4.5m4.5m×6m×4.5m,,HRT36.4h。BK5009,,DO2mg/L。,2m,60%。(6)。1,,3m×4m×4.5m,HRT8.64h。(7)MBR。1,5m×4m×4.5m,4m,HRT21.6h,,DO2mg/L。SUR334,0.1m3/(m2d),MLSS5000~12000mg/L。3 3.1 UASBUASB,2m。,,。36m3/d100m3/d,CODCr1000mg/L13000mg/L。0.39kgCODCr/(m3d),0.5kgCODCr/(m3d)。3~6d,CODCr80%,14.16kgCODCr/(m3d)。3.2 ,UASB,,、,,CODCr。UASB,,UASB,、,。,,,,;,,,CODCr90%。3.3 MBRMBR,,MBR,MBRMLSS3000mg/L,。MBR,,9min、3min,。MBR,,;,,。MBR,MLSS5000~12000mg/L,,,,、;MLSS3000mg/L,,,。MBRCODCr0.625kg/(m3d)。,0.03MPa,。15d,,1%NaOH+1.5%NaClO7h,1%5h。 Vol.32 No.11 200659 :①;②(),35L;③80min;④,40min;⑤,30min。,,90L/min。,0.098m3/(m2d),98%。MLSS12000mg/L,。3.4 3,2。2 pHCODCr/mg/LBOD5/mg/LSS/mg/L 3~53~67500~9800160~200 3~51~1.32600~3100158~166 pH10.5~111~1.32600~3100158~166 USAB6.8~7.2900~1000360~410288~366 7800~900340~400168~172 7.5200~30060~18076~96 MBR7.575~8520~2518~20 2,UASB———MBR,《》(GB8978—1996)。,CODCr35000mg/L,CODCr1833.6t/a。4 143,58,85。2.05/m3,0.85/m3,0.31/m3,0.26/m3。MBR12,10,3a,0.63/m3。5 (1)UASB———MBR,。MBR,,,PLC,,GB8978—1996。(2)UASBCODCr,。(3)MBR,,,。(4)MBR,MLSS5000~12000mg/L,MBR,,,。参考文献1 ,,.MBR.,2005,19(2):20~232 ,..,2005,18(5):53~553 ..,2002,6(2):27~284 .MBR.,2005(5),26~285 ,.:,2001(34),34~366 ..,1998,19(1):94.7 ..,2000,18(2):19~218 ,..,2001,32(6):51~539 ..,1991,11(5):285~28810 ,,..,2001,14(1):18~21 ☆E-mail:huafeiluo@163.com:2006-05-31:2006-08-04