阳离子高分子絮凝剂pdmcam处理制革废水和城市生活污水的研究-study on treatment of tannery wastewater and municipal domestic wastewater with cationic polymer flocculant pdm cam.docxVIP
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阳离子高分子絮凝剂pdmcam处理制革废水和城市生活污水的研究-study on treatment of tannery wastewater and municipal domestic wastewater with cationic polymer flocculant pdm cam
要探讨了絮凝剂在水处理中的四种主要絮凝机也针对P(DMC-AM).的化学结构特点?分析了P(DMC-AM)产生絮凝作用的过程,对P(DMC-.础。絮凝剂具有良好的絮凝性能作出了理论解释。在此基础上,研究了P(DMC-:灿1)絮凝剂对制革废水和城市污水的絮凝处理条件〈用量、体系pH值等〉声并与FeCh、民2(S04)3、FeS04、ACl13、A2l(S04)3五种无机絮凝剂的絮凝处理效果进行比较。将P(DMC-:刷〉絮凝剂与上述五种无机絮凝剂进行复配对制革废水和城市生活污水迸行絮凝处理,优化出P(DMC-AM)与无机絮凝剂的最佳复配方案。最后,采用最佳复配方案p进行了絮体图用效果实验,为P(DMC叩灿f)絮凝剂在水处理中的应用提供了重要的科学依据。实验证明,P(DMC-AM)絮凝剂与FeS04复配处理制革废水效果显著,CODcr、ss、c户的去除率分别为;91.2%、94.5%和93.9%,冬絮体回用,P(DMC-AM)絮凝剂与FeS04的用量可分别降低至1.6+110(mgfL),CODcr、ss、c户的去除率分别为:90%、93.2%和92.3%;P(DMC-:灿1{)絮凝剂单独使用或与AlC13复配处理城市污水有很好的处理效果,CODcr、ss的去除率分别为:83.9%、93.1%和96.3%飞98.0%,将絮体回用声P(DMC-AM)絮凝剂与Alα3的用最可分别降低至1.0+11.4(mgtL)CODcr、挝、的去除率分别为:95.4%和97.吻。在保证良好处理效果的同时tP(DMC-:灿f)絮凝剂在制革废水和城市污水处理中的应用还能有效降低处理成本声值得推广使用。关键词z阳离子高分子絮凝剂知j革废水城市生活污水nStudyontheTreatmentofTannerySewageandMunicipalWastewaterbyCatonicPolymericFloccnlantP(DMC-AM)Env?ronmentalSciencePostgraduateTanJiang归eTeacherLongbingqingZhuMingBecause也,eorganiccontent扭曲emodemindustrysewageandmunicìpalwastewater.increasesgreatly,organicparticlesurfaceleadalargenumberofnegativeelectricchargesal50,缸nongthenumerousflo∞ulant,the臼tionichighpolymertlocculantofhaveveηgoodpurificationfunctiononorg缸ricmatterandínorganìcmatter.τbecat?omch?ghpolymert10cculanthavemanycharacteristicssuchaslittleconsumption,low∞S毡,toxicitylittle组ldpHrange.So出ecatioruchlghpolymerflocculantbeingwideuseanddemonstrateg∞ddevelopmenttrend.IntheUnìtedStatesandlapan,thecationicflocculanthavealreadyacωuntedfor60%由出etotalamountoft10cculant,havestillinαe岱edatthespeedofmorethan10%duringtheseyears.Ourcoun位yhadnotbeguntodevelophighpolymerflocculantofcationuntilthepasttenye缸s.Innumerouscationichighpolymerflocculant,P(DMC-AM)(Cationicpolymericflocculant-DMCcopolymer),abbreviateCPF35,receivedmuchconcembecauseofhighmolecularweight,controllablechargedensity,uniformdístributionofelectriccharge,lowcostsandIIIwidescopeofappliωtion.P(DMC时AM)isacationicpolymericflocculantwìthmuti-functionsandhighactivity量Itbesideshavingabove..m侃.tionedcharacteristics,haveagreatdealofadvantagessuchasconsumption
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