METHOD OF BAUXITE LEACHING Russian patent published in 2002 - IPC

Abstract RU 2189356 C2

FIELD: alumina production. SUBSTANCE: method of bauxite leaching involves pumping bauxite pulp through autoclave unit with regenerative heating crude pulp in heaters by self-evaporation steam of bleached pulp and its final heating using central heating and power plant steam, water heating for slime washing out by condensate self-evaporation steam heat from heaters. Additional heating is carried out by leached pulp after its self- evaporation due to temperature depression. Invention can be used in the process of bauxite leaching. EFFECT: enhanced degree of crude pulp regenerative heating. 1 dwg

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RU 2 189 356 C2

Authors

Kopytov G.G.

Aminov S.N.

Svinin P.A.

Mindrakhmanov F.F.

Dates

2002-09-20—Published

2000-09-29—Filed