Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound
Patent
1992-09-23
1994-08-02
Langel, Wayne
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
423 55, 423 66, 423 74, 423 85, 423127, 423140, C01G 2307
Patent
active
053343620
ABSTRACT:
In order to treat metal chlorides obtained in the form of dust collector solids in the production of titanium dioxide by the chloride process, the inert constituents, especially particulate coke, is separated then the metals are selectively precipitated and a maturing phase under oxidative conditions is provided for. The residue consisting of metal hydroxides is also not thixotropic in the absence of inerts. As a result, the material to be deposited has been cut in half.
REFERENCES:
patent: 3655344 (1972-04-01), Mitchell et al.
patent: 3754072 (1973-08-01), Sato et al.
patent: 4579721 (1986-04-01), Friedman
patent: 5271910 (1993-12-01), van der Meer et al.
Schinkitz Dieter
Thumm Hans
Cronin Michael J.
Kronos Inc.
Langel Wayne
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