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Spray polymerized aluminum chloride

添加时间:2017/6/29 17:37:50 浏览次数:1245 文章来源:众威环保网络部 编辑:众威环保小编

Main technical indexes:
Index of polyaluminium chloride GB15892-2009 index
Solid liquid
Alumina (AL? O?) the mass fraction is greater than or equal to 29 / 10
Base degree% 40 - 90
Density (20 C) / (g/cm3) = - 1.12
The insoluble mass fraction is less than or equal to 0.6 0.2
PH value (10g/L water solution) 3.5 - 5
Arsenic (AS) quality score of less than 0.0002 /%
Lead (PB) the quality score is less than 0.001
Cadmium (Cd) the quality score is less than or equal to 0.0002
Mercury (Hg) the quality score is less than 0.00001
Six chromium (Cr+5) the quality score is less than 0.0005
Note: the table of liquid products listed in As, Pb, Hg, insoluble Cr+5 indicators of AL? O? 10%, AL? O? Content is more than 10%, according to the actual content should be converted into AL? O? The impurity index calculation 10% the proportion of products.
Spray polymerized aluminium chloride, namely polyaluminium chloride, is a new process of polyaluminium chloride. The acidity of spray polymerized aluminum chloride is lower than that of other non coagulant. Spray polymerized aluminium chloride is compared with process for producing pac:
Spray drying: liquid raw material - pressure filtration - spray tower spray drying - finished products
Ordinary drying: liquid material - placing - drum drying - finished products
The spray polymerized aluminium chloride is dried and atomized into tiny particles, which have good application properties. Poly aluminum chloride type water soluble material, has good thermal stability and high solubility in the drying process, about 40% - 50% of solid content of poly aluminum chloride solution into the high-pressure pump, atomized by pressurized into the dryer, dispersed into tiny droplets, droplet is dry granular the product, drying and granulating simultaneously.

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