Lime cleaning process to remove manganese oxide

Details Lime cleaning process to remove manganese oxide Lime cleaning process to remove manganese oxide

1984-10-09

1986-09-02

Doll, John

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group viib metal

423119, 423120, 423121, 423625, C01G 4510

Patent

active

046095349

ABSTRACT:
A process for cleaning lime having undesirable levels of contaminants, particularly manganese oxide, is disclosed. The process includes leaching the contaminants from the lime with an aqueous means, preferably spent Bayer liquor, to form a slurry containing said impurities and cleaned lime. The cleaned lime is then removed from the slurry containing the contaminants.

REFERENCES:
patent: 3796789 (1974-03-01), Adams
patent: 4519989 (1985-05-01), Pearson et al.

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