Reference standard of dosage of polyaluminium chloride in different sewage treatment
In understanding how the polyaluminium chloride treatment of sewage, first understand the classification of polyaluminium chloride, polyaluminium chloride according to the colour classification can be divided into yellow, brown, yellowish, millet yellow. In this colour classification, each colour represents a different content, earthy yellow alumina content is 23-26%; brown is polymeric aluminium chloride iron, alumina content 23-26%, iron content of 3-5%; light yellow represents the content of alumina is 28%; millet yellow represents the content of alumina is 30%, the use of tap water treatment.
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