UCTA2/O王志辉,翟 敏(,450001)【】:城镇污水处理厂同时运行UCT和倒置A2/O两种工艺,结果表明在出水氨氮及其他指标达均达到GB18918-2002中规定的一级B标准的前提下,出水TP较难达标。分析了进水负荷、溶解氧、泥龄、回流比等因素对除磷效果的影响,探讨了除磷效果最佳的运行条件。【】:UCT工艺;倒置A2/O工艺;脱氮除磷【】:X703 【】:A 【】:1003-3467(2010)14-0018-021 A2/O,,A2/O,。、,,,,。,,,,。。,,,,,,,,。UCT(UniversityofCapetown),A2/O,,,。UCT,,,。UCT,,。,,。2 UCT,UCTA2/O,COD、BOD、SSA,1mg/L,10mg/L,20mg/L,10mg/L。,,TP1mg/L,1.3mg/L,,,TP1mg/L。2.1 ,,,、、,,PO3-4-P,。,,,PO3-4-P,。,。,UCTA2/O,:①。,(VFA) :2010-05-21 :(1981-),,,,:,E-mail:woshilijiake@163.com。·18·HENANCHEMICALINDUSTRY 20107 27 7()DOI:10.14173/j.cnki.hnhg.2010.14.023,,(F/M)0.1~0.18kgBOD5/(kgMLVSS·d)。②。,0.2mg/L,0mg/L,4mg/L(),,,,,TP,0.5~3mg/L,2~4mg/L。③。,BOD5/TP20,10,,,,。④pH。pH,,pH,,,pH,,,,。⑤。8~20d,3d,(30d),。;,。⑥。,,,,,。⑦。2h,,,,,,1mgP,2.0~2.4mgP;,,1mgP,1mgP,0.5mgP。,。,1~1.5h,。⑧。,12~35℃,,,,SRT,TP,,。⑨。50%~65%(NO3-N4mg/L),,。100%,UCT,150%。2.2 ,(VFA),,BODBOD40%~60%(BOD5/COD=0.52)。,,VFA,。VFA,,,,VFA。,,、pH。A2/O,,,1∶1,。,,,,,,,,。3 ,,,。TP,(),,,。·19·20107 27 7() HENANCHEMICALINDUSTRY