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Study on Preparation and Decolorness Property of the Polysilicate Ferro-aluminum Sulfate
Author(s): 
Pages: 18-21
Year: Issue:  1
Journal: JOURNAL OF NANCHANG UNIVERSITY(ENGINEERING & TECHNOLOGY)

Keyword:  无机高分子絮凝剂脱色聚硅硫酸铁铝;
Abstract: 本文研究了用硅酸钠、硫酸亚铁和硫酸铝制取聚硅硫酸铁铝絮凝剂(PSFA)的制备条件及应用性能,确定了制备PSFA絮凝剂的优化条件:Fe2+/Al3+=1:3(mol/mol)、(Fe2++Al3+)/SiO2=1:1(mol/mol)、聚合时间1.5 h、聚合温度70℃用PSFA絮凝剂处理造纸黑液,结果表明PSFA絮凝剂的脱色效果优于市面上其它类型的无机絮凝剂,具有用量少,沉降快的优势,是一种无毒、高效、值得推广的絮凝剂.
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