Process for continuous production of flocculating agent from red

Details Process for continuous production of flocculating agent from red Process for continuous production of flocculating agent from red

1973-08-22

1976-10-19

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

159 9A, 210 10, C02B 120

Patent

active

039869750

ABSTRACT:
Red mud from the production of alumina from bauxite by the Bayer process is converted to a flocculating agent by reaction with sulfuric acid and drying the reaction product by direct heat transfer thereto by contact with hot solid bodies and by contact with hot gases. The resulting solid product is a mixture of water-soluble sulfates of iron and aluminum with minor proportions of other water-soluble metal sulfates in the form of free-flowing discrete particles.

REFERENCES:
patent: 1197123 (1916-09-01), Hoover

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