Method of treating bauxite waste red mud with acid and making co

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 65, 423111, 423132, 423202, C04B 3500

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active

039855678

ABSTRACT:
Bauxite waste red mud is treated with hydrochloric acid to dissolve only the sodium content. The treated material is mixed with kaolinitic clay and formed into construction bricks.

REFERENCES:
patent: 1439286 (1922-12-01), Beecher
patent: 1769297 (1930-07-01), Lambie
patent: 1796107 (1931-03-01), Jonas et al.
patent: 2021221 (1935-11-01), Benner et al.
patent: 3295924 (1975-01-01), Colombo
patent: 3876749 (1975-04-01), Horvath et al.
patent: 3879211 (1975-04-01), Klotz

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