资源描述：
《聚硅酸氯化铝絮凝剂的研制及性能研究.doc》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、聚硅酸氯化铝絮凝剂的研制及性能研究摘要：聚硅酸氯化铝(PASC)是一种新型的无机高分子絮凝剂。其研究思路是，带负电的聚硅酸具有较高的相对分子质量，对水体中的胶体颗粒具有很强的吸附能力；而铝盐在水中可以水解形成系列带正电的荷的水解羟基铝离子，具有较强的电中和能力。将二者复合成一种产品，可使其成为同时具有电中和作用及吸附架桥能力的无机高分子混凝剂。关键词：聚硅酸氯化铝(PASC)COD絮凝剂印染废水；Determineditsbestpreparationsenateelementis:SiO2%=2.0%,AL/Si=1.
2、5,pH=4-5,thetemperature,thestirstimeandtheintensityrespectivelyis:70oC,60min,1000r/min.Toprintinganddyethetreatmentofthewastewater,theexperimentalresultindicates,themostsuitableoperationparameteris:Throwitwithmeasuring255mg/l,PH=8.100r/Minstirs5min.BestCODexceptr
3、ateis65.22%,thebestturbidityexceptrateis99.39%.Comparesthepolymerizationaluminumchloride(PAC)CODremoveingrateis54.54%,bestturbidityremoveingrateis99.12%,itsflocculationeffectfairlygood,thecostislowerthanPAC.HasthecertainsignificancetotheactualwatertreatmentStudyo
4、nthePreparationandFlocculatingPerformancePolysilicic-AluminumChlorideStudents:ZouWeiyangtzuniversityofchemistryandenvironmentalprojectinstitute,counselor:DaiJie,chemistryofuniversityoftheChangjiangRiverandenvironmentalprojectinstitute.Abstact:Polysilicic-Aluminum
5、chloride(PASC)isanewtypemacromoleculeofflocculants,Itsresearchmentalityis,beltnegativeelectricitygathersthesilicicacidtohavethehigherrelativemolecularmass,hastheverystrongadsorptivecapacitytointhewaterbodycolloidpellet;Butthealuminumsaltmaythehydrolisisformseries
6、beltpositiveelectricityHollandinthewaterthehydrolisishydroxy-aluminiumion,hasinastrongerelectricityandtheability.Duplicatesynthesizesonekindofproductthetwo,maycauseittobecomesimultaneouslyhastheelectricityneutralizationandtheadsorptionbridgingabilityinorganichigh
7、polymer29flocculatingagent.Thisexperimentappliesthesodiumsilicate,thealuminumchloridemakesunderthecertainconditiongathersthesilicicacidaluminumchloride(PASC).Andtoitsstability,SiO2%content,AL/ASimoleofratio,thePHvalue,stirthetimeandtheintensitycarriesontheresearc
8、hanalysis,carriesonthedecolorizationtotheprintingwastewater,eliminates,excepttheCODprocessing,theexperimentalresultindicated,mostissuitabletheoperationparamete
