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中国污水处理现状与发展趋势Chinasewagetreatmentsituationanddevelopmenttrend内容CONTENTS全国污水处理概况NationalSewageTreatmentOverview1深圳市污水处理概况ShenzhenSewageTreatmentOverview2中国污水处理技术现状与发展趋势SewageTreatmentTechnologyStatusandTrendinChina3中国当前水质状况currentwaterqualityofChina全国地表水环境质量总体为轻度污染,主要污染指标为化学需氧量、总磷和氨氮。Themainpollutionindicators:chemicaloxygendemand,totalphosphorusandammonianitrogen.长江和珠江水质良好,淮河为轻度污染,黄河、松花江和辽河为中度污染,海河为重度污染。Goodwaterquality:theYangtzeRiverandPearlRiver,Slightlypolluted:HuaiheRiverModeratepollution:theYellowRiver,SonghuaRiverandLiaoheRiverHeavypollution:HaiheRiver全国污水处理概况NationalSewageTreatmentOverview126个国控重点湖泊(水库)中,满足Ⅱ类水质的1个,占3.9%;Ⅲ类的5个,占19.2%;Ⅳ类的6个,占23.1%;Ⅴ类的5个,占19.2%;劣Ⅴ类的9个,占34.6%。主要污染指标为总氮和总磷26state-controlledkeylakes(reservoirs),WaterQualityⅡclassonlyone,accountingfor3.9%;Ⅲclassfive,accountingfor19.2%;Ⅳclasssix,accountingfor23.1%;Ⅴclassfive,accounting19.2%;9inferiorⅴclass,accountingfor34.6%.Themainpollutionindicatorsfortotalnitrogenandtotalphosphorus.中国当前水质状况currentwaterqualityofChina地表水环境质量标准Surfacewaterqualitystandards点源:工业和城镇生活、规模化养殖其他典型污染源:地下油罐、矿山开发、垃圾填埋场面源:农村生活、分散式畜禽养殖、水产养殖、农业面源常规污染物有毒有害、痕量污染物常规防治突发事件应急中国水污染管控PollutioncontrolinChinaNormalpollutantsTheconventionalcontrolEmergencyToxicandtracecontaminants2005年至今中国突发水污染事件时有发生China’swaterpollutionincidentsoccurfrequentlyfrom2005全国工业废水及生活废水排放量China’sindustrialwastewateranddomesticwastewateremissionsChinesewastewateremissions(industrialanddomesticsources)/Hundredmilliontonsdomesticsourcesindustrialsources污水处理行业现状Sewagetreatmentindustry2008-2012年污水处理行业总产值及增长率Sewagetreatmentindustryoutputandgrowthratein2008~2012/HundredMillionsYuan(RMB)污水处理费情况Sewagetreatmentfee污水处理费高的地区主要集中在江苏省、福建省、辽宁省、山东省、广东省等经济发展情况好的沿海东部省份,中西以及东北部部地区污水处理费水平比较低。SewagetreatmentfeesinJiangsu,Fujian,Liaoning,Shandong,Guangdongandotherprovincesintheeasterncoastalareaishigher,sewagetreatmentfeelevelinwesternregionandnortheasternisrelativelylow.城镇污水处理厂污染物排放标准GB18918-2002Dischargestandardofpollutantsformunicipalwastewatertreatmentplant序号基本控制项目Items一级标准standardI二级标准StandardII三级标准StandardIIIA标准B标准1化学需氧量(COD)50601001202生化需氧量(BOD5)102030603悬浮物(SS)102030504总氮(以N计)1520————5总磷(以P计)0.51356氨氮ammonianitrogen5(8)8(15)25(30)——7色度(稀释倍数)chromaticity303040508pH6--99总大肠菌群数Totalcoliformgroup10104104——全国城镇排水设施投资及污水厂运营费UrbandrainageinvestmentandWWTPoperatingcostsofChinaUrbandrainageinfrastructureinvestmentofChina2003~2013/HundredMillionsYuan(RMB)UrbanSewagetreatmentplantsoperatingcostsofChina2005~2013/HundredMillionsYuan(RMB)2013年生活废水氨氮排放量141.4亿吨2013domesticsewageammoniaemissions14.14billiontons污水处理能力1.54亿m3/d2013年全国城市污水处理率为89.21%Sewagetreatmentcapacityof154millionm3/d,urbansewagetreatmentrateof89.21%in20132013年生活废水COD排放量889.8亿吨2013domesticsewageammoniaemissions14.14billiontons设市地区均已建成污水厂,86.0%的县级行政单位已建成,还有285个县未建成污水厂86.0%ofthecounty-leveladministrativeunitshavebeenbuilt,therearestill285countieshavenotbuiltsewageplant截止2014年6月全国城镇污水处理厂3666座2013年生活废水排放量485.1亿吨2013domesticwastewateremission48.51billiontons城镇生活污水处理概况UrbandomesticsewagetreatmentOverviewAsofJune,2014,Chinahave3666urbansewagetreatmentplants.全国各省废水治理设施及生活废水处理量WastewaterTreatmentFacilitiesandDomesticWastewaterTreatmentCapacitybyProvincesWastewaterTreatmentFacilitiesbyProvincesDomesticWastewaterTreatmentCapacitybyProvinces工业废水排放来源•化学需氧量COD•氨氮ammonianitrogen年份Hg(t)Cd(t)Cr6+(t)Pb(t)As(t)20015.6110.5121.4489.9408.420024.8105.6111.1484.8346.220035.584.5103.1568.5373.72004356.3150.8366.2306.120052.762.1105.6378.3453.220062.649.496.4339.1245.220071.239.369319.7187.420081.3639.575.3240.921520091.3932.355.4182.2197.320101.0530.154.8140.8118.120111.235.1106.2150.8145.220121.126.770.497.1127.720130.817.958.174.1111.6削减比例cut85.71%83.80%52.14%84.87%72.67%工业废水重金属排放量Heavymetalemissionsfromindustrialwastewater总设计处理能力为444.5万吨/日Thetotaldesigncapacityis4.445milliontons/day全市目前29个污水处理厂在运营,分布于深圳市的十个行政区域29sewagetreatmentplantsinoperation,distributedinthetenadministrativeregionsofShenzhen由十余家不同水务公司以BOT特许经营等方式运营OperatedwithBOTbymorethan10differentcompanys深圳市污水处理概况ShenzhenSewageTreatmentOverview2深圳市污水处理能力概况Shenzhenmunicipalsewagetreatmentcapacityprofile项目名称设计规模运营单位(万吨/日)滨河污水处理厂30深圳市水务集团罗芳污水处理厂35南山污水处理厂56蛇口污水处理厂3盐田污水处理厂12西丽再生水厂5深圳市原特区内污水处理厂南山区福田区罗湖区盐田区龙岗区深圳湾NanshanDistrictFutianDistrictLuohuDistrictLuoFangWWTP.YantianDistrictYantianWWTP.NanshanWWTP.BinheWWTP.XiliRenewableWaterPlant建成于1998年6月28日,占地面积14.53公顷,服务区域为罗湖区东部约16.25平方公里,服务人口65万。CompletedinJune28,1998,coversanareaof14.53hectares,servingapopulationof650,000ineasternLuohuDistrict,approximately16.25squarekilometers.一期工程处理规模10万吨/日,二期工程处理规模25万吨/日,总处理规模为35万吨/日。first-stageprojectscale:100,000tons/day,second-stageprojectscaleof250,000tons/day,totaltreatmentcapacity350,000tons/day.一期工程采用AB法的二级处理工艺,二期工程采用厌氧-T型氧化沟处理工艺。污泥处理工艺为机械浓缩和离心脱水。first-stageproject:ABprocess,second-stageproject:Anaerobic-Ttypeoxidationditch罗芳污水处理厂LuofangWWTP厌氧池污泥浓缩池T型氧化沟回流污泥上清液浓缩污泥B段可实现A/O、A2O、UCT、MUCT方式粗格栅提升泵房细格栅沉砂池A曝池中沉池B曝池二沉池粗格栅提升泵房细格栅沉砂池鼓风机房脱水系统回流回流剩余污泥排放除臭系统紫外线消毒出水中水系统罗芳污水处理厂LuofangWWTP滨河污水处理厂成立于1983年,其设计规模为30万吨/天,06改造后一、二期工
本文标题:中国污水处理现状与趋势
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