发明名称 |
Chromate reduction in aqueous medium |
摘要 |
A method for reducing the residual chromate level in effluent waters comprising catalytic reduction of the chromate ion by hydrogen to the trivalent chromium state and removal of the chromium by passage through a cation exchange resin column or by base precipitation in a settling pond.
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申请公布号 |
US4033867(A) |
申请公布日期 |
1977.07.05 |
申请号 |
US19750627629 |
申请日期 |
1975.10.31 |
申请人 |
BETZ LABORATORIES, INC. |
发明人 |
JACQUES, DONALD F.;LANGE, K. ROBERT |
分类号 |
C02F9/00;(IPC1-7):C02C5/02 |
主分类号 |
C02F9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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