| 摘要 |
technology of inorganic substances, more particularly preparation of aluminium hydroxofluorochlorosulfate based coagulant in water preparation, purification of sewage and solutions, or in other industries. SUBSTANCE: method comprises treatment of aluminium hydroxide with sulfuric acid at elevated temperature, maintenance and crystallization of product. Treatment of aluminium hydroxide with sulfuric acid gives aluminium sulfate melt and after it has been maintained, aluminium hydroxochloride solution is added in amount of 0.6-1.0. EFFECT: increased coagulating power of product. 1 ex, 2 tbl
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