混凝工藝中絮體形成及影響因素的研究.pdf

1、南開大學碩士學位論文混凝工藝中絮體形成及影響因素的研究姓名：封娜申請學位級別：碩士專業(yè)：環(huán)境科學與工程；環(huán)境工程指導教師：王啟山200911摘要AbstractInthe21stcenturywiththegrowthofChina’spopulationandimprovementofpeopleslivingconditions，笛wellasthefastSpeedofurbanizationandthede℃reaseofave

2、ragepercapitawater代：s如Ir淄，contradictionbetweensupplyanddemandofwaterTC$OUTCC$bcco】[n囂clearduetoagreatdealofwatar∞nsumpfi011ScarcityofwaterhasbecomethepfincipalconstraintafterringChina’sfoodsuppliessafetya：onomydevelopmen

3、tandsocialstabilityandimprovementofecologicalenvironmentThereforeitissignificanttotreatwatercontaminationFlocculation嬲theimportantwaterprocessingmetho也hasattractexlincreasingsocialattentionIntochnicsofcoagulationprocessi

4、ng，whethertheselectionofwaterprocessingisrightornotandwhethertheapplicationisrightornotdirectlyaffectprocessingeffectandcostThecategorypropertyandqualityofflocculantarckeyfactorsaffectingtheflocculationprocessinginfluenc

5、e，becausetheyarckeypartsandcorcbasisofflocculationcontaminationcontroltochnologyNowadays，thereexistmuchmo∞coagulants，includingorganiccoagulantinorganiccoagIll鋤tandcompoundcoagulantItissignificanttogaindetailedinformation