| 发明名称 |
PROCESS FOR TREATING WASTE-WATER |
| 摘要 |
<p>1449342 Purifying water BRITISH PETROLEUM CO Ltd 18 Dec 1974 [3 Jan 1974] 00264/74 Heading C1C A method for treating effluent water containing oil to reduce the oil content comprises passing the effluent water firstlythrough a sand filter and subsequently through a biological percolating filter.</p> |
| 申请公布号 |
YU352774(A) |
申请公布日期 |
1982.02.28 |
| 申请号 |
YU19740003527 |
申请日期 |
1974.12.31 |
| 申请人 |
BRITISH PETROLEUM CO LTD |
发明人 |
OLDHAM G.F. |
| 分类号 |
C02F3/06;B01D17/00;B01D17/04;C02F1/28;C02F3/04;C02F9/00;(IPC1-7):02C5/00 |
主分类号 |
C02F3/06 |
| 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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