Iron removal from bayer process liquor

Details Iron removal from bayer process liquor Iron removal from bayer process liquor

1986-07-28

1987-12-15

Stoll, Robert L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423121, 423140, 423DIG1, 75108, 210705, 210710, C01G 4900

Patent

active

047132221

ABSTRACT:
The following inorganic compounds of iron, when added to Bayer process liquors, form a precipitate of the finely divided iron present in:

REFERENCES:
patent: 3141733 (1964-07-01), Broisman
patent: 3390959 (1968-07-01), Sibert
patent: 3445187 (1969-05-01), Sibert
patent: 3493327 (1970-02-01), Cook
patent: 3681012 (1972-08-01), Sibert
Literature Search Report, Subject: Removal or Iron Impurities from Alumina in the Bayer Process, 1967, Dec. 1985, p. 3, 99/7/6, 183401 81-220223P Iron Separation from Sodium Aluminate, Solution, p. 7, 99/7/19, 131166 74-220106N, Removal of Iron Compounds from the Bayer Liquor, pp. 7-8, 99/7/20 130159 74-220064P, Iron Separation from Sodium Aluminate Solution Using Preheated Red Mud or Bauxite.
Literature Search Report, Subject: Removal or Iron Impurities from Alumina in the Bayer Process, 1967, Dec. 1985, pp. 15-16, Answer 36, and CA99(10):73028u, AB Settling Properties of the Bauxite Residue are Affected etc.

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