摘要
在n(Fe+Al)/n(Si)为0.5～1.0、n(Al)/n(Fe)为2.5～3.0、SiO2质量分数为2.3%、硅酸钠溶液的活化pH为5.5、硅酸钠溶液的活化时间为12 min或SiO2的质量分数为2.0%、硅酸钠溶液的活化pH为6.0、硅酸钠溶液的活化时间为3 min的条件下,制备出的聚合硅酸硫酸铝铁对废水的除浊效果最铑佳,除浊率大于98%.
The prepared Poly-aluminum-ferric-silicate-sulfate(PAFSS)has more than 98% of turbidity removal efficiency in the treatment of wastewater samples when the mol ratio of Fe-Al to Si is 0.5—1.0,that of Al to Fe is 2.5—3.0,the mass fraction of SiO_2 is 2.3%,the activation pH of sodium silicate solution is 5.5 and the activation time of sodium silicate solution is 12 min;or the mass fraction of SiO_2 is 2.0%,the activation pH of sodium silicate solution is 6.0 and the activation time of sodium silicate solution is 3 min.
出处
《化工环保》
CAS
CSCD
北大核心
2005年第3期239-242,共4页
Environmental Protection of Chemical Industry
基金
天津市高等学校科技发展基金资助项目(20030908)
关键词
无机高分子絮凝剂
复合絮凝剂
絮凝性能
聚合硅酸硫酸铝铁
inorganic polymer flocculant
composite flocculant
flocculation property
poly-aluminum-ferric-silicate-sulfate
