发明名称 |
BEHANDLING AV AVLOPPSVATTEN |
摘要 |
A method is provided for the treatment of a waste water stream characterized by having toxic and corrosive properties due to the presence of a cyanides formates and a halide of a metal or ammonia comprising adding a ferrous ion to said waste water to convert the cyanides to iron cyanides, adding a base to said waste water until the pH of said waste water is adjusted to the range from about 9 to 11 to precipitate a sludge containing said iron cyanides, feeding said waste water to a biological reactor to convert said formates to carbon dioxide and a biological residue and recovering an environmentally upgraded waste water stream from said biological reactor. |
申请公布号 |
SE7810758(A) |
申请公布日期 |
1979.05.01 |
申请号 |
SE19780010758 |
申请日期 |
1978.10.16 |
申请人 |
* TEXACO DEVELOPMENT CORPORATION |
发明人 |
C W * WESTBROOK;L J * PARCELL;G L * CLAYTOR;B * VON KLOCK |
分类号 |
C02F3/34;C02F1/58;C02F9/00;(IPC1-7):02C5/02;02C5/10 |
主分类号 |
C02F3/34 |
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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