Acid process for recovery of alumina from clay

Details Acid process for recovery of alumina from clay Acid process for recovery of alumina from clay

1977-06-24

1978-06-13

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423125, 423127, 423132, 423631, C01F 766, C01F 724

Patent

active

040949559

ABSTRACT:
Alumina monohydrate is produced by leaching calcined clay and subjecting the leach liquor to pressure hydrolysis wherein the vapor and heat resulting from the pressure hydrolysis are directly utilized for leaching of the calcined clay. The aluminum monohydrate may be roasted to yield alumina.

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Lauer et al., "Chemical Engineering Techniques", Reinhold Publishing Corp., N.Y., 1952, pp. 220-222.
Olsen, "Unit Processes & Principles of Chemical Engineering", D. Van Nostrand Co., N.Y., 1932, pp. 1-3.

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