Hydroxychlorides of aluminum and method

Details Hydroxychlorides of aluminum and method Hydroxychlorides of aluminum and method

1976-05-17

1977-07-05

McCarthy, Helen M.

Chemistry of inorganic compounds

Halogen or compound thereof

252463, 423466, 423467, 423626, 423629, C01B 700

Patent

active

040340678

ABSTRACT:
The preparation of a material consisting essentially or largely of aluminum hydroxychlorides having the general formula Al.sub.2 (OH).sub.X Cl.sub.6.sub.-X, in which X is a value up to 5 or more and obtained by reacting active alumina, secured by partial dehydration of hydrates of alumina, with hydrochloric acid or aluminum chloride in which the active alumina has a specific surface area of at least 200 m.sup.2 /g.

REFERENCES:
patent: 2881051 (1959-04-01), Pingard
patent: 2915365 (1959-12-01), Saussol
patent: 3894144 (1975-07-01), Becher et al.
patent: 3904741 (1975-09-01), Jones et al.
patent: 3953584 (1976-04-01), Danner et al.
Clay, J. P. et al. "The Catalytic Effect of Anions Upon the Rate of Dissolution of Hydrous Alumina in Acids" J. Am. Chem. Soc. 60(1938) pp. 2384-2390.
Stumpf, H. C. et al. "Thermal Transformations of Aluminas and Alumina Hydrates" Ind. & Eng. Chem. 42(n) July, 1950, pp. 1398-1403.

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