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聚硅酸锌絮凝剂的电镜特征和絮凝效果
引用本文:刘和清,汪凤珍,袁天佑,韦万兴,谭承德.聚硅酸锌絮凝剂的电镜特征和絮凝效果[J].环境化学,2001,20(2):179-184.
作者姓名:刘和清  汪凤珍  袁天佑  韦万兴  谭承德
作者单位:广西大学化学化工学院,
基金项目:国家自然科学基金资助项目(批准号29762002),广西省科委配套项目.
摘    要:利用透射电子显微镜(TEM)和扫描电子显微镜(SEM)观察了聚硅酸锌(PSAZ)絮凝剂的凝胶颗粒结构,考察了不同浓度的锌离子与二氧化硅含是以及不同阴离子组成对聚硅酸锌絮凝胶结构的影响,对比了锌离子和铝离子形成聚硅酸盐絮凝剂的结构特征。同时比较了聚硅酸锌絮凝剂和铝系列絮凝剂的絮凝效果。

关 键 词:聚硅酸锌  聚硅酸铝  凝胶结构  电镜特征  絮凝效果  絮凝剂

ELECTRON MICROSCOPES FEATURES AND FLOCCULATIONEFFECT OF PSAZ FLOCCULANTS
Li Heqing,Wang Fengzhen,Yuan Tianyou,Tan Chengde,Wei Wanxing.ELECTRON MICROSCOPES FEATURES AND FLOCCULATIONEFFECT OF PSAZ FLOCCULANTS[J].Environmental Chemistry,2001,20(2):179-184.
Authors:Li Heqing  Wang Fengzhen  Yuan Tianyou  Tan Chengde  Wei Wanxing
Abstract:Using transmission electron microscope (TEM) and sweep electron microscope (SEM), the flocculants colloid structure of zine polysilicate (PSAZ) is observed and it is reviewed that di-fferent concentration of zine ion and silicon dioxide and different composition of anion influence the structur of flocculation (PSAZ). The stucture feature of forming polysilicate by zine and aluminum ions are compared. The results of contrast test showed that the flocculation effect of PSAZ is better than that of aluminum flocculants.
Keywords:zine polysilicate (PSAZ)  aluminum polysilicate (PSAA)  electronmicroscope's features  structure of flocculants colloid  flocculation effect  
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