FIELD: chemistry.
SUBSTANCE: method for purifying aluminium-containing chloride solutions from iron involves, at least, one stage of electrochemical purification of aluminium chloride solutions. Electrochemical purification is carried out at pH of 1.0-3.0, the cathode current density of 0.001-0.150 A/cm2 and the anodic current density of 0.015-0.200 A/cm2. Herewith the process temperature is 20-97°C.
EFFECT: invention allows to increase the purification degree of aluminium-containing chloride solutions from iron, increase the efficiency of the process and reduce consumption of electricity.
4 cl, 1 tbl, 1 ex
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Authors
Dates
2017-07-14—Published
2016-06-23—Filed