PAM阴离子型絮凝剂在处理重金属废水中的应用储荣邦

··PAMApplicationsofPAMAnionicFlocculantinTreatingHeavyMetalContainingWastewaters,　(南京市虎踞北路4-6-501,江苏南京210013)CHURong-bang,CHUChun-juan(4-6-501HuJuRoad(N),Nanjing210013):　PAM阴离子型絮凝剂能使带正电荷的重金属氢氧化物沉淀起絮凝作用,使小颗粒沉淀物形成较大的颗粒,从而为斜板固液分离法或气浮固液分离法进行快速分离创造了条件。在配制絮凝剂时和现场使用过程中,都必须按规范配制和操作,才能发挥PAM阴离子型絮凝剂的絮凝功能。:　PAM;;Abstract:　PAManionicflocculantcanflocculatethehydroxidesofheavymetalswithpositivechargestoaggregatesmallgranulesintobiggerones,creatingafavoriteconditionforfastslopingplateoraerationsolid-liquidseparation.Onlythepreparationoftheflocculantsolutionandon-siteapplicationsareperformedaccordingtothespecifications,cantheflocculatingfunctionofPAManionicflocculantbebroughtintofullplay.Keywords:　PAManionicflocculant,treatmentofheavymetalcontainigwastewater,solid-liquidseparation:X78　　　　　:A　　　　　:1000-4742(2006)01-0038-021　,,PAM,。PAM、。PAM,,,,,,130～1300。。2　PAM,A-PAM-4,300～5000,pH7～14,≥90%,15%mol～50%mol,。。3　(1)。PAM,。(2)PAM,“”,,。。(3),,PAM,,;,PAM,,。4　PAM4.1　PAM,,lgL。20L,1,15L(60°C),(,5cm),。,20gPAM,(,50～250rmin),,5L,。,1,PAM,。4.2　·38·　　Jan.2006　　　Electroplating&PollutionControl　　　　　　　Vol.26No.1PAM,,。,0.5～1.0gL。1gL,,,。1g/L,,,15。,,。,,。,,。(2)(15)。4.3　PAM(、),。PAM,,,50～250rmin,。PAM,4h。,,60°C。4.4　PAM,PAM,。,,,。,,,。,。2/3,,、,1/3,。、PAM?,PAM。PAM,PAM。,,,,PAM,。4.5　PAM,,。,,,。,。,。5　(1)PAM1gL,10,0.1g/L。。,,,。(2),,。0.1～10mgL,25mgL。(3)PAM,;PAM,,,,。(4)PAM,。,,。。,50μm,,PAM;50μm,PAM,。,。FeSO4Cr6+,Cr3+Fe3+,pH7.0～7.5Fe(OH)3、Cr(OH)3,,,PAM。6　PAM(1)PAM;(2)PAM。,60°C;;,;;(3);(4)PAM;(5),;(6)pH,pH7(pH7～8);(7)PAM,。:2005-08-02·39·20061　　　　　　　　　　　　　261(147)