原培胜(,056027) 对污水处理成本的概念和组成进行分析和探讨,确定处理成本的组成,测算处理3万td污水处理厂的运行成本和处理成本,提出降低处理成本的措施。 城镇 污水处理 处理成本 运行成本0 ,,COD、BOD、SS、,,,。,3:①,BOT、BT,;②,,、、;③,。1 ,,,:、、、SBR、、AB。、、、。:、;:、、、,、、,,、、,、、。:C=A+W+P+M+R+Q C———;A———;W———;P———;M———;R———;Q———,55%。2 3td。2.1 人员费W、、、,,。,。,。,25,1600,W40000。2.2 动力费P。,、,10kW,5kW,15kW,,24h,,5%。,。2.2.1 B:B=720KμX B———,、、,;K———,(kW·h);μ———;X———,kW。720———,30d55 20084262。3td,44×55kW(220kW),55×22kW(110kW),0.5(kW·h),0.7,:B=83160()。2.2.2 D、、450~550kW,75%,500kW。:D=135000()。:P=1.05(B+D)=229068()。2.3 维修费M、、,5%,1,2%。1200,51,:M=70000()。2.4 药剂费R、、。:、、、,,、。,,,;、;,;;,,,。,,0.025t[1-2]。,,0.03t,:R=27000。2.5 折旧A,。,,[3]:A=PVAnADFi·n A———;PVAn———;ADFi·n———,i,;n。2500,6%,25(BOT25~30),:A=PVAnADFi·n=1955722()。2.6 处理成本:C=A+W+P+M+R+Q=547347:(W+P+S+M+R+Q)÷(30×30000)=0.43():C÷(30×30000)=0.61()1。2。1 2 、,,,,,,55.7%79%。3 3.1 选择污水处理工艺,,,。3.2 确定建厂的地址,、、,56 20084262。,,,。3.3 加强管理,降低成本,,,。3.4 定期保养设备,降低维修费用、,,,。3.5 改进运行方式,降耗节能、,,:、,,。,12,12,,。3.6 选择性能优良的设备,,,,,。4 ,,、、、,55.7%。,,2。:,;,。[1] ..,2006,32(3):190-191[2] ,,.-.,2002,15(5):55-57[3] ,..:,2003 056027 (0310)7189370E-mail yuanpsh@vip.sina.2007-08-06(98)[1] ..:,2003:1-25[2] ZhaoYoucai,RobertStanforth.ProductionofZnpowderbyalkalinetreatmentofsmithsoniteZn-Pbores.Hydromtallurgy,2000,56:237-249[3] ZhaoYoucai,RobertStanforth.Selectiveseparationofleadfromalkalinezincsolutionbysulfideprecipitation.SeparationScienceandTechnology,2001,36(11):2561-2570[4] ..:ZL031167543,2006[5] .:[].:,2003[6] ..,2006,58(2):99-102[7] ..,2002,18(4):38-41[8] ..,2000,29(5):21-23[9] ..,2007,28(2):88-91 200092 E-mail zcdragon@163.com2007-06-2657 20084262is80℃withasettlingtimeof3htheregenerationeffectisbest.Undertheseregenerationconditions,theusedoilbasicallyreachedthefreshoilstandard.Keywords wastelubricatingoil,flocculant,activatedclayandregenerationANEWMETHODOFENERGYTRANSFORMATIONINSUPERCRITICALWATERINTERNAL-COMBUSTIONYiBaokui MaChunyuan LuShenqingetal(50)………………………………………………………Abstract Supercriticalwaterthermaldecompositiontechnologyisanewtypeofenergy-efficienttreatmentoforganicwastes.It'sanewtypeofwastedisposalandrecyclingofenergy.Itisintroducedtheapplicationofthistechnologyinthefieldofenergyuse.Itisalsodiscussedthethermaldecompositionofbiomassandwastetiresinsupercriticalwater.Keywords supercrilicalwater,organicwasteandthermaldecompositionENERGY-SAVINGOPTIMUMDESIGNANDAPPLICATIONOFWASTEWATERCYCLONESEPARATIONSYSTEMINFGDWangFangqun YinMingyang DuYunguietal(53)………………………Abstract ThewastewatercycloneseparationsysteminFGDhasbeenoptimallydesigned.Twooptimizationschemeswereprovidedaccordingtowhetherthestaticpressureproducedbytheelevationdifferencebetweeentheoverflowofgypsumslurrycycloneseparatorandinletofwastewatercycloneseparatormeetstheneedofthesumofinletpressureofwastewatercycloneseparatorandheadlossinpipelines.Thebeneficialeffectoftheoptimumdesignissimplifyingdesign,decreasingequipmentcostsandoperatingcosts.Theoptimumdesignhasbeensuccessfullyappliedtomorethan10FGDprojects.Keywords FGD,wastewatercycloneseparationsystem,energy-saving,optimumdesignandapplicationTHETREATINGCOSTANALYSISOFSEWAGETREATMENTPLANTYuanPeisheng(55)…………Abstract Thispaperanalyzedanddiscussedtheconceptandcompositionofsewagetreatingcost.Ithasconfirmedcompositionofrunningcost,surveyedrunningcostandtreatingcostofasewagetreatmentplant(30000td).Themeasuresforreducingtreatingcostwereposed.Keywords town,sewagetreatment,treatingcostandrunningcostRESEARCHONDEGRADATIONOFOILYWASTEWATERBYHIGHEFFICIENTMICROFLORAZhangShiping ZhengGuanghong WangLei(58)…………………………………………………………………………Abstract Thebacteriathatcouldusecrudeoilascarbonsourcehavebeenscreenedfromtheoil-contaminatedsoil.Theycoulddegradehighconcentrationoilwastewatereffectively.Whenpreliminaryconcentrationis2gL,and10%bacteriaareinoculatedinthewastewater,theconcentrationisonly420mgLafter7d.Theefficiencyofdegradationcouldbe80%.Ifglycerinisenteredintheoilwastewaterandtheconcentrationismorethan100mgL,theefficiencyofdegradationisretrained.Intheconditionofhigh-salinity,iftheconcentrationofseaweedmixsaltismorethan1.0gL,thegrowthofbacteriaarerestrained.Keywords bacteria,oilwastewaterandbiodegradationADSORPTIONOFHEXAVALENTCHROMIUMINCLAYBYTPTanXiao YuYongxian YangQingetal(61)………………………………………………………………………………………………………………………………Abstract InfluenceofTPonadsorptionofhexavalentchromiumintheclaywasinvestigated.Effectsofreactiontime,pH,concentrationsofTPandaddingamountwerestudied.ThereductionofCr(Ⅵ)wasexaminedwhiletheoptimumreactionconditionsweredetermined.TPcouldenhancetheadsorptionofCr(Ⅵ)becauseofthecomplexionreactionbetweenTPandCr(Ⅵ).ThereactionmechanismsofTPwithchromiumandclaysurfaceswerecertified.Keywords TP,hexavalentchromium,clay,complexionandadsorptionPOSSIBILITYOFCOKINGSEWAGETREATMENTBYUSINGCOAL-WATERSLURRYTECHNOLOGYGuoJiping FangHuibin LiuShuping(64)……………………………………………………………Abstract Thepropertiesofcokingsewageandthedomestictreatmentprocessforcokingsewagewereintroduced,thepossibilityofthecokingsewagetreatmentbyusingcoal-waterslurrytechnologywasexpoundedfromwaterquality、watervolumeandcoal-waterslurry.Keywords coal