城镇污水处理厂综合效益评价以辽河流域为例张捍民

Vol．7No．5Sep．2017JournalofEnvironmentalEngineeringTechnology7520179．J．201775573-579．ZHANGHMZOUXJIANGW．EvaluationofcomprehensivebenefitsofurbansewagetreatmentplantsTakingLiaoheＲiverBasinasanexampleJ．JournalofEnvironmentalEngineeringTechnology201775573-579．2017-04-152013ZX07202-010-011973—[e-mail]———1160242、、COD、4。474。2t/d、GB18918—2002《》AA2/O2t/d、GB18918—2002AMBBＲ+2t/d、GB18918—2002BA2/O2t/d、GB18918—2002B。X820.61674-991X201705-0573-07doi10.3969/j．issn．1674-991X．2017.05.079EvaluationofcomprehensivebenefitsofurbansewagetreatmentplantstakingLiaoheＲiverBasinasanexampleZHANGHanminZOUXiangJIANGWeiSchoolofEnvironmentScience＆TechnologyDalianUniversityofTechnologyDalian116024ChinaAbstractBasedonthetwoaspectsofoperationcostandenvironmentalbenefitsofthesewagetreatmentplantsSTPstheevaluationindexsystemwithfourevaluationindexesi．e．unitconstructioncostunitoperationcostCODreductionrateammonianitrogenreductionratewasconstructed．ThentheentropyweightmethodwasusedtodeterminethecorrespondingweightcoefficientandtheEuclidapproachdegreeappliedtorealizetheobjectiveevaluationofthecomprehensivebenefitsoftheSTPs．Basedonthetreatmentquantityandwaterquality47STPsinLiaoheＲiverBasinweredividedintofourgroups．TheresultsshowedthatthesuperiorityofA2/Otechnologywasmoreobviouswhenthewaterquantitywasunder20000t/dandtheeffluentwaterqualitywasuptoLevel1AstandardofGB18918-2002whileintheprocessthatthewaterquantitywasabove20000t/dandtheeffluentwaterqualitywasuptoLevel1AMBBＲ+UVdisinfectiontechnologyshowedbetterperformanceinthecomprehensivebenefit．Whenthewaterqualitywasunder20000t/dandtheeffluentqualitywasuptoLevel1BstandardthesuperiorityofA2/Otechnologywasobviousandintheprocessthatthewaterquantitywasabove20000t/dandtheeffluentwaterqualitywasuptoLevel1BstandardtheadvantagesofLinpaoertechnologyandBIOLAKtechnologywereobvious．KeywordsLiaoheＲiverBasinammonianitrogenpollutioncontroltechnologyentropyweightmethodurbansewagetreatmentplantbenefitevaluation7116°54'E～125°32'E40°30'N～45°17'N1490m、、、416、56、、。1345km22.0×104km2。350～1000mm6—970%、1。1956—1979400m3/s126m3。201136Ⅳ～ⅤⅤ58.3%2。、、760、、3。2012712、ⅣⅤCODBODⅤⅤCOD、BOD。、、4。201480%ⅣⅤ5。2015。2190、Ⅰ～Ⅲ15.6%Ⅳ38.9%Ⅴ14.4%Ⅴ31.1%6。。。《》。7。47541365365。47。18-11、12-15。。16-17、、。、18。。19。。。、、。1.1nC1C2…Cnv1v2…vnＲnＲ=nCvmnnＲmnＲmn=MiCkv[]ik=M1…MmC1v11…vm1Cnv1n…vmn1Ｒmnmn。μikμikμik=vik/maxvik·475·5———μik=minvik/vikμik珚Ｒmn珚Ｒ·mn=MiCkμ[]ik=M1…MmC1μ11…μm1Cnμ1n…μmn2μ0k珚Ｒ·mnＲ0n珚Ｒ·mn。ΔikＲ0n珚Ｒ·mnＲΔΔik=μ0k－μik2ＲΔＲΔ=MiCkΔ[]ik=M1…MmC1Δ11…Δm1CnΔ1n…Δmn31.2mnA=vikmnA'A'=MiCka[]ik=M1…MmC1a11…am1Cna1n…amn4aik=vmax－vik/vmax－vminaik=vik－vmin/vmax－vminnmkHk=－1lnm∑mi=1fiklnfik5fik=1+aik∑mi=11+aik6kkωk=1－Hkn－∑ni=1Hk71.3。ρHi=1－∑nk=1ωk·Δ槡ik82472。、、、、、、COD2。4K1、K2、CODK3、K4。47。2t/d2t/d。GB18918—2002《》AB。474。2.12t/dA2t/dA131。11134Ｒmn2。23ＲΔ3。5～7ω=0.24970.24980.25020.25038ρH4。·575·711Table1TheSTPprocessandindicatorsinthefirstgroup/〔/t·d〕/〔/t·d〕COD1A/O+6069.38000.53000.82400.69002A2/O+1013.89000.31000.82400.84003A2/O+1953.82000.53000.89200.76804A2/O+1251.43000.86000.77100.77805+468.86000.48000.84200.79606+866.71000.52000.64400.61307+3961.57000.44000.78400.75008+1490.81000.74000.69400.59109+1741.69000.59000.67700.575010+1808.79000.67000.63900.514011+3931.89000.90000.84400.448012JDS975.22001.15000.87900.865013A2/O++V860.20001.13000.81700.8720214ＲmnTable2TheＲmnofthefourSTPindicatorsinthefirstgroup1234567K10.82400.82400.89200.77100.84200.64400.7840K20.69000.84000.76800.77800.79600.61300.7500K36069.30001013.80001953.80001251.4000468.8600866.71003961.5000K40.53000.31000.53000.86000.48000.52000.44008910111213K10.69400.67700.63900.84400.81700.8790K20.59100.57500.51400.44800.87200.8650K31490.80001741.60001808.70003931.8000860.2000975.2200K40.74000.59000.67000.90001.13001.1500314ＲΔTable3TheＲΔofthefourSTPindicatorsinthefirstgroup12345678910111213K10.00580.005800.01840.00310.07730.01470.04930.05810.08040.00290.00710.0002K20.04360.00130.01420.01160.00760.08820.01960.10380.11600.16860.236400K30.85150.28900.57760.391100.21070.77730.46990.53410.54880.77570.20700.2696K40.172300.17230.40900.12540.16310.08730.33770.22520.28870.42980.52660.5335·675·5———41Table4TheρHofSTPinthefirstgroup12345678910111213ρH0.480.730.560.540.820.630.530.510.520.480.400.570.5545+2A2/O+6+12A2/O++V3A2/O+。5+。A2/O+23。12A2/O。A2/O。2.22t/dA2t/dA85。52Table5TheSTPprocessandindicatorsinthesecondgroup/〔/t·d〕/〔/t·d〕COD14A/O+MBＲ13366.73001.17000.85900.795015A2/O++V1403.90000.34000.86800.953016A2/O++1508.90000.85000.87500.783017CAST+1900.35000.86000.86800.783018DAT-IAT+1310.20000.23000.89100.875019MBBＲ+1099.91000.54000.82500.987020+2051.35000.27000.86600.6350211011.14000.77000.76600.55605～7ω=0.25050.25040.24910.2499ρH6。62Table6TheρHofSTPinthesecondgroup1415161718192021ρH0.380.570.550.520.580.590.490.53619MBBＲ+18DAT-IAT+15A2/O++V16A2/O++。MBBＲ+。1A2/O。2.32t/dB2t/dB137。5～7ω=0.25060.24930.25030.2498ρH8。828CAST26A2/O22A/O24A2/O27A2/O。28CASTCAST2930。A2/OA2/O。·775·773Table7TheSTPprocessandindicatorsinthethirdgroup/〔/t·d〕/〔/t·d〕COD22A/O3257.14860.49500.86550.879223A