Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iib metal
Patent
1993-08-12
1994-11-15
Walsh, Donald P.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iib metal
423131, 423132, C01G 5600
Patent
active
053646037
ABSTRACT:
A mercury-free dissolution process for aluminum involves placing the aluminum in a dissolver vessel in contact with nitric acid-fluoboric acid mixture at an elevated temperature. By maintaining a continuous flow of the acid mixture through the dissolver vessel, an effluent containing aluminum nitrate, nitric acid, fluoboric acid and other dissolved components are removed.
REFERENCES:
patent: H715 (1989-12-01), Greenhalgh
patent: 4732606 (1988-03-01), Kobele et al.
patent: 4954168 (1990-09-01), Crnojevich et al.
patent: 5078842 (1992-01-01), Wood et al.
Anderson Philip A.
Christian Jerry D.
Glenn Hugh W.
Moser William R.
The United States of America as represented by the United States
Voss Frederick H.
Walsh Donald P.
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