聚硅酸铝铁_壳聚糖复合絮凝剂的制备与应用_薛永亮

}明}!舞第卜一次环j竟;}轰澳蜡学术交流会沦文华聚硅酸铝铁一壳聚糖复合絮凝剂的制备与应用薛永亮’2伍钧’,’杨刚,四川农业大学资源环境学院2.成都市青白江区环境监测站3.雅安市雨城区环境保护局唐晓`张大忠3四川雅安625014;四川成都610300:四川雅安625000摘要:采用聚硅酸铝铁与壳聚糖复合制备低成本、高絮凝性能的新型无机一有机复合絮凝剂。结果表明,最佳复合条件为pH值1.4~.20、原料配比(质量比)l:1、最佳温度70℃、反应时间16小时。并将该絮凝剂用于造纸废水的处理实验,在投加量为smF500ml时,其对废水浊度、色度和COD的去除率分别为9.45%、61.5%和78.7%。关键词:聚硅酸铝铁壳聚糖造纸废水絮凝TheProductionandAPPlieationofComPoundFloeeulantPSAF+CTSXueoYngilang肠uJnaYngaGngatngxl’aoCollegeofeRsoureeandEnv2.aY,anlorn妇口ent,iCtEnviOTyUchengDisitret5iehuanAigreultUralUniversiyt,SiehuanaYan625014;nnlentalPorteetionBureauSiehuanaYan625014Abstraet:AnewytPeoflow一ost,highfloeeulationeiffeienetinorganie一rganieeomPoundfloeeulantweerPrePaerdwihtPolysilieatealumlnumFeitreandChitosan.ItwasfoundhtathteoPtlmaleonditionsofPrePatationwerePHbewteen1.4~2.0,rawarnteiralartioasl:l,reaetiontemPerautreat70℃~80℃,anderactiontimefor16housr.Also,hteperParedfloeeulantweerusedinPapermakjngwasetwateretratmentswithhteratioofPSAF一CTSasgmF500nU,andhteobsevredermovalarteforotrbidiyt,ehrounnanceand