77Vol.7No.720137ChineseJournalofEnvironmentalEngineeringJul.20131111221.5410042.530000108、、、A2/O、SBR5~10m3/d、A2/O、SBR2~5m3/d、MSBR2m3/d、2~10m3/d0.3~0.4/m32m3/d0.2~0.3/m3。、、、、。X703A1673-9108201307-2579-08AnalysisonconstructionandoperationofmunicipalwastewatertreatmentplantsinGuangxiChengGuanwen1ZhuZongqiang1XuZihan1MengJinjie1LiangNingshu2QinXujiang21.CollegeofEnvironmentalScienceandEngineeringGuilinUniversityofTechnologyGuilin541004China2.InvestmentProjectEvaluationCenterinGuangxiAutonomousRegionNanning530000ChinaAbstractThestatisticsaboutconstructionscaleprocessinvestmentandoperationcostof108municipalwastewatertreatmentplantsshowthatmunicipalwastewatertreatmentplantsinGuangxiZhuangAutonomousRe-gionaremainlysmall-scaleonesusingoxidationditchA2/OSBRanditsvariantprocess.Theunitconstruc-tioninvestmentsofoxidationditchA2/OSBRanditsvariantsprocessarein50000~100000m3/dscaleox-idationditchandMSBRarein20000~50000m3/dscaleandprocessesthatdiatomiteconstructedwetlandandconstructedrapidinfiltrationprocessaremoreeconomicalbelow20000m3/d.Theoperationcostsofproces-sesinmunicipalwastewatertreatmentplantsaremostly0.3~0.4yuan/m3in20000~100000m3/dwhiletheoperationcostsofconstructedrapidinfiltrationandconstructedwetlandare0.2~0.3yuan/m3.Differentscalesprocessesanddischargestandardsofmunicipalwastewatertreatmentplantshavevariousconstructioninvest-mentsoperationcostsandeffluentqualities.Thereforeitisimportanttoselectthepropertechnologyscaleanddischargestandardaccordingtolocalconditionsimprovingthefacilitiesoperatingloadrateandpollutantremovalrateeffectively.KeywordsmunicipalwastewatertreatmentplanttreatmentprocessconstructioninvestmentoperationcostGuangxiautonomousregion201110022012-03-252012-07-101962~。E-mailchenggw@glite.edu.cn2120、2007。《》202080%202595%。“”2011108332m3/d65%。72m3/d2~5m3/d68%43%“”2500、、1。“”“”、、。120071011.78%。2008108A17、B84、72002。1.1、A2/O、SBR、MSBR、、、、、STCC938、A2/O22A2/O19、A/O3、SBR33CASS17、CAST6、SBR10、MSBR3、4、4、1、1、STCC2。1、、A2/O、SBR86%。1-4。25m3/dA2/O2~5m3/dSBRA2/O、MSBR2m3/dSBRA2/O、。A2/O、、SBR。1.2108332m3/d3.07m3/d5m3/d182~5m3/d432m3/d475m3/d83.33%。1.3、。。1081.3.13。085272m3/dA2/O6000、SBR5000、、18003500STCC1400。A2/O、、SBR、、、STCC。2~5m3/dMSBR10583SBR9100~10100A2/O89005000。5~10m3/d20000A2/OSBR1800011000。SBR、A2/O、。A2/O4388044100A2/O。。3Fig.3Totalinvestmentofdifferentwastewatertreatmentprocessesinvariousscales1.3.21~4。2m3/dSTCC5500/m3A2/O、、SBR2750~3000/m3、、1750~2000/m3。2~5m3/d。SBR、A2/O1800~2000/m3MSBR1650~1800/m31350/m3。5~10m3/d、A2/O、SBR1000/m3。A2/O1400/m32000/m3。。12m3/dTable1Unitinvestmentofvariousprocessesin20000m3/d/m3A2/O2691.61603.14294.7SBR2713.81872.94586.72855.92474.35330.2STCC55507350129001535.31983.53518.81633.71099.327331541.701541.722~5m3/dTable2Unitinvestmentofvariousprocessesin20000~50000m3/d/m3A2/O1869.2871.62740.8SBR1906.3755.22661.51757.71577.23334.9MSBR1608804.22412.21286.7383.3167035~10m3/dTable3Unitinvestmentofvariousprocessesin50000~100000m3/d/m3A2/O973.8529.81503.6SBR9801031.82011.8956.5180.31136.81449.8628.72078.518527410m3/dTable4Unitinvestmentofvariousprocessesabove100000m3/d/m3A2/O1366.3647.92014.21905.11622.93528。2m3/d、、5m3/d。1.3.345。A、BAB。。4Fig.4Wastewaterplantinvestmentandtotalinvestmentundervariousdischargestandards1.3.4108、5Fig.5Unitinvestmentofwastewaterplantandtotalinvestmentundervariousdischargestandardsy=2231.14+2322.76Q-1-82Q-2R2=0.60016。62m3/d3500/m317000/m32~5m3/d3000/m33500/m35m3/d3000/m3。6Fig.6Relationshipbetweenconstructionscaleandunittotalinvestmenty=1187.37+1538.22Q-1-93Q-2R2=0.53167。2m3/d1750/m37500/m32~5m3/d285271750/m31600/m35m3/d1500/m3。7Fig.7Relationshipbetweenconstructionscaleandunitinvestmentofwastewatertreatmentplant5、。22.12010860%7060%3876.8%、60%~90%SBR60%42%。152、1158%2。3。6.51t2m3/d2。4。8Fig.8Proportionofeachprocessindifferentloadingrates2.220109。、SBR、A2/O、MSBRSTCC、SBR、A2/O、。9Fig.9Annualeffluentstandard-reachingratestatisticofdifferentprocesses10COD、BOD、MSBR、COD80%BODCOD。MSBR70%50%A2/O、SBR、STCC、、。STCC、、。、、MSBR3852710COD、BOD、Fig.10CODBODNH3-NandTPremovalrateofdifferentprocesseseffluent75%65%~70%。10MSBR9。11。1125%ABAB25%。。11Fig.11Operatingcostandresultunderdifferentdischargestandardsanddifferentloadingrates2.312。12。2m3/d1.3/m3A2/O、SBR、0.4~0.6/m3、STCC0.2~0.3/m3。2~5m3/dMSBR0.6/m30.3~0.4/t。5~10m3/d、MSBR0.35~0.4/m3A2/O0.25~0.30/m3。10m3/d0.26/m3。。、。、。12Fig.12Differentprocessoperatingcostsindifferentscales11AB。AB0.44~0.48/m3AB0.37~0.45/m3。。。2.4、4852713。13①COD、BOD、、2m3/dCOD、BOD40~50kg/m3·a、20~30kg/m3·a2~5m3/dCOD、BOD50~70kg/m3·a、30kg/m3·a5~10m3/dCOD、BOD50~70kg/m3·a、25~35kg/m3·a10m3/dCOD、BOD50~100kg/m3·a、30~50kg/m3·a。COD、BOD、、。22m3/dCODA2/O、SBR、STCC、、BOD、、A2/O、SBRSTCC2~5m3/dCOD、BODA2/O、SBR、MSBR5~10m3/dCOD、BODA2/OSBR10m3/dCOD、BODA2/O。COD、BOD2m3/d、2~5m3/d、10m3/d。、。2.590%6、1、3、1。。2.675%10.2%13Fig.13Pollutionloaddecrementofwastewatertreatmentplantsinvariousscales58527。。58、44、3、394.4%。。9774。6。31、、A2/O、SBR、。2。2m3/d、、2~5m3/d、MSBR5~10m3/d、A2/O、SBRA2/O。。3COD、BOD、、。2m3/d、A2/O、SBR2~10m3/d、A2/O、SBR10m3/dA2/O。。4。2m3/d、STCC2~5m3/d、A2/O、SBR5~10m3/dA2/O。。1..201137835-39YangY.WangY.M.WangQ.etal.Analysisonc