Process for the production of aluminum chlorohydroxides having a

Details Process for the production of aluminum chlorohydroxides having a Process for the production of aluminum chlorohydroxides having a

1973-02-28

1976-11-02

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

423471, C01F 700, C01F 748, C01F 756, C01C 116

Patent

active

039898059

ABSTRACT:
A process is described whereby aluminum chlorohydroxide having a controlled chlorine content is prepared by subjecting a mineral containing aluminum oxide or hydroxide (e.g. bayerite, gibbsite, diaspore, boehmite or alumina bayer) is subjected to a preliminary etching with hydrochloric acid at a temperature in the range from 110.degree. to 150.degree. C, the solution so obtained is neutralized with ammonia and the desired aluminum chlorohydroxide (e.g. Al.sub.2 (OH).sub.5 Cl) is crystallized out.

REFERENCES:
patent: 2256505 (1941-09-01), Thompson
patent: 2876163 (1959-03-01), Garizio et al.
Tanabe, "American Perfumer and Cosmetics," vol. 77, pp. 25-30, (Aug., 1962).
Edwards, "The Aluminum Industry," vol. I, 1st Edition, p. 172, (1930).

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