FIELD: chemistry.
SUBSTANCE: invention relates to chemical industry and non-ferrous metallurgy and can be used to produce aluminium sulphate in liquid form. To obtain aluminium sulphate, burnt kaolin clay is reacted with sulphuric acid taken in stoichiometric amount of 93-95%. The reaction is carried out in a reactor consisting of two parts - a lower part with diametre to height ratio of 0.4-0.5 and an upper part with diametre to height ratio of 2.3-2.5, while stirring the pulp with a propeller mixer turning at 40-80 rpm and jet steam at pressure of 1.5-3.5 atm, temperature of 110-125°C for 30-45 minutes. The melt formed is diluted with water until achieving Al2O3 concentration of 7.2%.
EFFECT: invention lowers the cost of the process and improves quality of the product.
2 cl, 1 tbl
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