聚硅酸铝铁在草浆造纸废水深度处理中的应用  

Application of polysilicate aluminium ferric flocculants in advanced treatment of straw pulp paper making wastewater

作　　者：金春姬[1] 戚秀芝[1] 佘宗莲[1] 孙泽锋[1] 

机构地区：[1]中国海洋大学海洋环境与生态教育部重点实验室,山东青岛266100

出　　处：《工业用水与废水》2007年第5期29-31,共3页Industrial Water & Wastewater

基　　金：国家自然科学基金资助项目(20307009)

摘　　要：研究了无机高分子絮凝剂聚硅酸铝铁(PSAF)对草浆造纸中段废水二级出水深度处理的效果,考察了Al+Fe与SiO2的量比、Al与Fe的量比、废水pH值以及PSAF用量对处理效果的影响,并与PAC比较了处理性能。结果表明:A1+Fe与SiO2的量比为1.5、Al与Fe的量比为3、废水pH值为9、PSAF的投加量为0.57mmol/L时,PSAF对造纸中段废水深度处理的效果最好,同样投加量的条件下,PSAF混凝效果优于PAC。　The effect of inorganic macromolecule flocculant： polysilicate aluminium ferric（PSAF） on advanced treatment of secondary effluent water from middle section of straw pulp paper making plant was studied.The influences of factors,such as molar ratio of c（Al ＋ Fe）/c（SiO2）,c（Al）/c（Fe）,pH value and dosage of PSAF on the treatment effect were investigated and its performance was compaired with PAC.The results showed that： The best effect of PSAF treating wastewater from middle section of paper making process was obtained when the molar ratio of c（Al ＋ Fe）/c（SiO2）,c（Al）/c（Fe） were 1.5,3 respectively,the pH value was 9,the dosage of PSAF was 0.57 mmol/L,and the coagulation effect of PSAF was superior to PAC when the dosage was the same.

关 键 词：混凝剂 造纸废水 聚硅酸铝铁 

分 类 号：X793.031[环境科学与工程—环境工程]