FIELD: chemistry.
SUBSTANCE: in method of sewage treatment from ions of heavy metals by sorption on solid insoluble natural sorbent, as natural sorbent, quartz-albite-chlorite slate with content of chlorite mineral equal 45%, with size of sorbet grains 1.25…2.50 mm is used.
EFFECT: increasing of filtration rate during sewage treatment, which leads to reduction of purification time and reduction of sorbent consumption, resulting in its saving.
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