Method for treatment of waste material and recovering MgCl.sub.2
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United States of America Patent
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Dec 14, 1999
Grant Date -
N/A
app pub date -
Dec 18, 1997
filing date -
Dec 18, 1996
priority date (Note) -
Expired
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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.
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