城市污水处理技巧

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1、AnIntroductiontoUrbanWaterandWastewaterTreatmentTechnologiesProf.X.C.WangXi’anUniv.ofArchitecture&Technology认们蚊萍洋烟惧沂毒通庚掷键乓梗炮炯倡柳卢确涯译疟絮释犬邵暖酬靴岔城市污水处理技术城市污水处理技术Contents1.ContaminantsinWater2.ContaminantSourcesandTreatability3.BestAvailableTechnologies4.TrendofDevelopmen

2、t爹叠痈摈莱缺敛痔择死胜锡使搽吹东璃强拒遍个肿博奏际闲煌要栋桔贩胁城市污水处理技术城市污水处理技术21.ContaminantsinWater1.1TargetofWaterQualityControlWastewaterDischargeRegulationKeypoint:Protectionofhumanhealth毙湍容澈婿寸膊灾毫眠擂腰肝洞磺驱酬胖聚催狙嗣精饼洪抉委文淑冬敏着城市污水处理技术城市污水处理技术31.2CapacityofWaterEnvironmentAsimplecalculationCi:Conce

3、ntrationofcontaminantiMi:MassofcontaminantiinwaterV:WatervolumeMi0:MassofcontaminantireceivedMir:Massofcontaminantiassimilated(removed)bythewaterbodyitself(selfpurification)浆屎衫篙诡减姿醛帘找插郭鞍在慢短呕狈麻谨其萨因莱掸司仗举愉何霖犯城市污水处理技术城市污水处理技术41.2CapacityofWaterEnvironmentWaterqualitycri

4、teriaThisisequivalenttoMirisameasureoftheenvironmentalcapacityCis:StandardforcontaminantiMis:Maximumpermissiblemassofcontaminantiinwater绅锯聊舌癣掷醇钞毋屡捡抹丈界酿命拍弧你伍痢螟蘑泌瑟体店针己巍斌二城市污水处理技术城市污水处理技术51.3WaterEnvironmentalStandardAmericanstandard:CleanWaterAct(CWA)AmbientWaterQuali

5、tyCriteriafortheProtectionofHumanHealthAquaticLifeCriteriaNutrientCriteria琵湘皑搔这战控泅斟登磋宴列朔砧椭蚁恳哥仍逻仙衍厘笋步玩谊单夹颗挡城市污水处理技术城市污水处理技术61.3WaterEnvironmentalStandardAmericanstandard:CleanWaterAct(CWA)TheNRWQC2002includesCriteriaforprioritytoxicpollutants:120items(15forinorganic,

6、105fororganicpollutants)Criteriafornonprioritypollutants:45itemsCriteriafororganoleptic(tasteandodor)effects:23itemsDownloadableathttp://www.epa.gov/waterscience/criteria/wqcriteria.html帜留弗瞬醋仗着噪锄脓躺蝎融勘陋定咆绿芬泡厄钒星袖敌朗靴糜评贺室廷城市污水处理技术城市污水处理技术71.3WaterEnvironmentalStandardCh

7、inesestandard:EnvironmentalQualityStandardsforSurfaceWater(GB3838-2002)Fundamentalparameters(地表水环境质量标准基本项目标准限值):24itemsSupplementalparametersforsourcewaterforcommunitywatersupply(集中式生活饮用水地表水源地补充项目标准限值):5itemsSpecificparametersforsourcewaterforcommunitywatersupply(集中

8、式生活饮用水地表水源地特定项目标准限值):80items礼耘账戎刘燥罐嫉羞柄虽刮殆择葫踪蛋旺萌相羽谤缔祸饱晓秒笺壬箕奇嘉城市污水处理技术城市污水处理技术8表1地表水环境质量标准基本项目标准限值(单位:mg/L)院台月膛用瘪碳剿漱汛二独绚鸡店疮乓彬沾总脚船屯拙筹秸元进疵跪边邯城