A2O工艺改善污水处理除磷脱氮的措施86da5182e53a580216fcfece

A2/O(,224001):A2/O,,,:A2/O;;:X52:B:1004-695X(2003)02-0065-03MeasureAboutApplicationProcessofA2/OtoImproveEffectofTreatmentWastewaterP/NRemovalLIUBao2ling(YanchenWaterSupplyCorporation,Yanchen,Jiangsu224001,China)Abstract:ItisreviewedtheeffectofapplicationprocessofA2/OP/Nremoval.Afterpracticalcomparisonandtheoriticalanalysis,itisputforwardasetofmeasurestoimproveP/Nremovaleffect.Keywords:ProcessofA2/O;P/Nremoval;MeasuresA2/O,,,,,A2/O1A2/O[1,2]1.1,A2/O,,,,,PHB,,,PHB,,,016,011kg(BOD5)/(kgMLSSd),,,,,,(C/N),,,0151.0h,(C/N),(COD/TKN)8,80%:2003-01-03;:2003-03-18(1964),,,,,,,2,,,,,NH+4-N,,,,,,0.8kg(BOD5)/(kgMLSSd),5616220036;;1.2tsA2/O,,,,,2030d,A2/O,ts,,,,A2/O1520d1.3(DO),DO,,DO2mg/L,,DO,DO,NO-x-N,,DO,DO0.50.7mg/L,,DO2.0mg/L,DO,DO,,,DO0.5mg/L,,,,DO0.2mg/L1.4RN(),RNRN,,RN,,A2/ORN=RN/(1+RN)(%)1.5R(),,R,,R,A2/O,,NO-x-N,,,,,,,,,A2/O,,,,,R60%100%,40%1.6tHRT,A2/OtHRT68h,tHRTtHRT(::)=11(34)1.7,535,,30355,527,,1525,,5301.8pH,pH68;,pH6.57.5;,pH7.58.52A2/O(1),60%100%,10%20%,,,(2),,1/3(3),(4)35W/m3,66162.A2/O20034,;(5)A2/O,1520d(6)A2/O,300%400%,70%,(7)A2/O,:0.10kg(BOD5)/(kgMLSSd);BOD50.06;(C/N)6;0.1kg(BOD5)/(kgMLSSd);(TKN/MLSS)0115kg(TNK5)/(kgMLSSd)(8)A2/O68h,tHRT(::)=11(34)3215t/d,A2/O,,11/(mgL-1)/(mgL-1)/%BOD51801890COD2205077SS2402091TN30873TP51.078pH6.59.078.5BOD5SS90%,NP70%,[][1].NN[J].,1983(4):7[2].[M].:,1996(58),,4COD(10001300mgPL),COD(1800mgPL),,COD,,,,COD,;,COD,,,,,,,,,,,SO2CO2,COD,5,,5%15%(),5%15%,(),10%40%,20%50%[5],,,,,,,,,,,,[][1],.[J].,1997(12):57-60[2].ISO14001[J].,2002(6):45-46[3],.[M].:,1982[4].[Z].[2000]137[5].[J].,2000(6):5-776162.A2/O20034