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化学工程师Sum154No.7 Chemical Engineer 20087:2008-04-26:(1977-),,,,。 :1002-1124(2008)07-0046-04 1,2,3(1.,100028;2.,063000;3.,150090) :(A/A/O),(A/A/O)A/A/O、UCT、MUCTA/A/O,A/A/O。:A/A/O;;:X703.1 :BSelectionofprocessinFengrunWastewaterTreatmentPlantextensionprojectZHANGRui1,SONGYan-hua2,ZHANGYu-ling3(1.BeijingPure-SourceEnvironmentalTechnologyEquipmentCo.,Ltd.,Beijing100028,China;2.TangshanMunicipalDrainageCompanyLtd.,Tangshan063000,China;3.CollegeofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China)Abstract:Onthebaseofanalysisofwastewatertreatmentplantoriginalprocessoperationstatusandthebas-icprincipleofbiologicalnitrogenandphosphorusremovalprocess,theexistingproblemswerediscussedintheo-riginalprocess(A/A/O)andmorematurebiologicalnitrogenandphosphorusremovalprocessincludingmodifiedA/A/O,UCT,MUCTandreversedA/A/Oprocess.ItisnecessaryfortheFengrunwastewatertreatmentplanttochoosereversedA/A/Oprocess.Keywords:reversedA/A/Oprocess;biologicalnitrogenandphosphorusremoval;extensionproject 《》,。,7,。,。,,N、P。,;N、P,、NP;,A/A/O,,,。1 1991,,3.3t·d-1,,30%,70%。:BOD5=200mg·L-1、COD=500mg·L-1、SS=240mg·L-1;:BOD=20mg·L-1、COD=120mg·L-1、SS=24mg·L-1,。,,、、、、,,。,,,。2004,,6.8t·d-1,60%,40%。120047~12。DOI:10.16247/j.cnki.23-1171/tq.2008.07.02120087张 锐等:丰润污水厂扩建工程的工艺选择1 20047~12BOD5CODSSBOD5CODSS75431048247101036207435086881267286111118179832896911483312127551336296 ,,,,COD100mg·L-1、BOD530mg·L-1,,2。,2.4t。2 20047~12BOD5CODSSBOD5CODSS718862210176517818791911187422922761912145021 ,,:(1),F/M0.5kg·(kg·d)-1;(2)。,DO3~4mg·L-1;(3)MLSS,,MLSS1300~1800mg·L-1;(4),5%;(5)0.7m3·(m2·h)-1。,,。2005,2007,2008,,,NP。2 NP2.1 A/A/OA/A/O,NP,,。1,ANAEROBIC()、AN-OXIC()、OXIC()。1 -A/A/OBNR,、,,,,(TKN/COD0.08BOD/TKN4)。、HRT、、、[1]。NP//。。TP/BOD5,P;,,N。3:(1),;(2),,N;(3),P、P,,P。NO-3P,/,10%,10%NO-3,,A/A/O,2。2 A/A/O[2,3]UCTUCT,,。2.2 UCTUCT(3)Bardenpho,,,NO-3。A/A/O,。,NO-3,NO-3。BOD5/TNKBOD5/TP,UCT[4-6]。47张 锐等:丰润污水厂扩建工程的工艺选择200873 UCT2.3 MUCT,UCTNO-3,N。,4UCT(MUCT),COD/TKN7.19.1[7,8]。4 MUCT4,UCT,。,MUCTUCT2:(1)UCT;(2),DO。,UCTMUCT:(1)MUCT,,;(2)2();(3)A/A/O,P、P,、;(4)A/A/O,,N。2.4 A/A/O、NO-3,A/A/O,,,A/A/OP,5(//,A/A/OA2/O)。5 A/A/OC/N,P;《》,、NH3-NN,,A/A/O,。3 NP3.1 、,,,、,。:、、、、。3.2 NP,TP,()、、,。,:P+P+/;:()P+/。,P。、,、3,,,。,。P,,(A/A/O)。NP,。NP,P,P。,C/N4820087张 锐等:丰润污水厂扩建工程的工艺选择,P。《》,P、NH3-NN;,N、P,,,,A/A/O。3.3 A/A/O,A/A/O:(1),、,、;(2)/(1~3h),10%,10%()NO-3,,;(3),,、,,,;、,,,,;(4),,、、,;(5),TP≤0.5mg·L-1,、,,,。A/A/O,A/A/O,。 [1] .[M].:,2001.[2] ,,,.、A2/O[J].,2006,22(23):18-21.[3] .A2/O[J].,2007,33(5):82-84.[4] ,.UCT[J].,2008,34(3):45-48.[5] ,,.UCT[J].,2007,33(3):30-33.[6] DiHX,VanLoosdrechtMCM,MeijeiSCF,etal.ModelbasedevaluationoftwoBNRprocessUCTandA2N[J].WaterResearch,2000,35(12):2851-2860.[7] ,,,.CPNMUCT[J].,2007,28(11):2478-2483.[8] ,,,,.MUCT[J].,2006,37(6):8-11.(40)[4] .[J].,2003(1).[5] ,.[M].:,2002.[6] .[J].,200l,3(1):8-12.[7] ,,,.[J].,2004,12(1):11-13.[8] .[J].,1998,(5):38-39.[9] .[M].,2002.120-238.[10] ,,.[J].,2000,(4):39-45.[11] ,,.[J].,2005,27(5):375-378.[12] ,,.[J].,2001,20(1).[13] .[J].,2005,10(22).[14] ,,.[J].,2007,1(1).[15] ChenZ.L.,LiX.B.,ZhouL.,etal.CompostingofMSWpretreatmenteffectonthestudy[J].Sanitationproject,2004,12(1):11-13.[16] ,.[M].:,2001.12.[17] ,,,.[J].,2006,14(7).49
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