BEHANDLUNG VON MIT QUECKSILBER VERUNREINIGTEM SCHLAMM
摘要
<p>This invention relates to a hydrometallurgical process for the treatment of mercury contaminated muds. More particularly, this process pertains to a hydrometallurgical process for the treatment of Environmental Protection Agency designated K106 muds discharged from a mercury chlor-alkali plant. A hydrometallurgical process for the treatment of mercury containing solids comprising: (a) treating the solids in a first leach with acid and sodium hypochlorite to produce a leached product; (b) transferring the product from the first leach to a first washing thickener and thickening the leached product from the first leach; (c) transferring the underflow from the wash thickener to a second leach and treating the underflow product with acid and sodium hypochlorite to yield a second leached product; (d) transferring the product from the second leach to a second washing thickener and thickening the leached product from the second leach; and (e) transferring the product from the second wash thickener to a final dewatering process to yield a low mercury content.</p>
申请公布号
DE69303930(D1)
申请公布日期
1996.09.12
申请号
DE1993603930
申请日期
1993.03.18
申请人
UNIVERSAL DYNAMICS LTD., VANCOUVER, BRITISH COLUMBIA, CA
发明人
ROCKANDEL, MICHAEL A., RICHMOND, BRITISH COLUMBIA, CA;TWIDWELL, LARRY G., 601 S. CLARK BUTTE, MT 59701, US