| 发明名称 |
PROCESS FOR PURIFYING WASTE WATER |
| 摘要 |
<p>PURPOSE:To improve a removing effect of COD in treated water by distilling denitration waste water and the like under an internal pressure of 20-300 mm Hg.</p> |
| 申请公布号 |
JPS52152660(A) |
申请公布日期 |
1977.12.19 |
| 申请号 |
JP19760069912 |
申请日期 |
1976.06.15 |
| 申请人 |
HITACHI PLANT ENG & CONSTR CO |
发明人 |
MASUDA CHIAKI;HITOMI OTANE;YAMAZAKI TADASHI |
| 分类号 |
B01D3/34;B01D3/00;B01D53/56;B01D53/77;C02F1/04 |
主分类号 |
B01D3/34 |
| 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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