Method for treatment of waste material and recovering MgCl.sub.2

Details Method for treatment of waste material and recovering MgCl.sub.2 Method for treatment of waste material and recovering MgCl.sub.2

1997-12-18

1999-12-14

Nguyen, Ngoc-Yen

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423497, 423158, C01F 530

Patent

active

060013168

ABSTRACT:
Method of treatment of environmentally hazardous waste material and recovering MgCl.sub.2 brine, based on dissolving of the waste material in water and hydrochloric acid and simultaneous removal of ammonia at elevated temperatures, destruction of residual aqueous ammonia and removal of Mn, where the material is pre-treated in a special mixing unit adding water to provide a slurry and where hydrogen and other evolved gases are continuously diluted.

REFERENCES:
patent: 3661737 (1972-05-01), Scherer
patent: 4385931 (1983-05-01), Wallevik et al.
patent: 5439563 (1995-08-01), Sivilotti
Perry et al "Handbook of Inorganic Compounds", pp. 19-20, 1995 (no month).

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