Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1979-06-08
1981-03-17
Carter, Herbert T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
423127, 423131, 423121, C01F 704
Patent
active
042567092
ABSTRACT:
An improved method for recovering aluminum values from alkaline aluminosilicate raw material by sintering a comminuted aqueous mixture of the alkaline aluminosilicate material, limestone and soda solution wherein the alumino-silicate material is first comminuted with the soda solution to form a mixture with a fraction of particles larger than 0.08 mm greater than 20 percent by weight, mixing limestone with the mixture and comminuting until the fraction of particles larger than 0.08 mm is between 2 and 15 percent by weight.
REFERENCES:
patent: 3642437 (1972-02-01), Angstadt et al.
patent: 4044095 (1977-08-01), Hudson et al.
patent: 4113833 (1978-09-01), Eremin et al.
Mujahed et al., "Institution of Mining & Metallurgy, Transactions, Sect. C", Dec. 1974, pp. C241-C249.
Alexeev Alexei I.
Alexeev Oleg V.
Aronzon Vitaly L.
Bilenko Leonid F.
Finkelshtein Leonid I.
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