| 发明名称 |
METHOD FOR TREATING MECHANICAL PULP PLANT EFFLUENT |
| 摘要 |
A method for treating a mechanical pulp plant effluent waste stream by freezing the effluent stream and separating frozen product. The frozen product contains between about 50 to 150 ppm chemical oxygen demand (COD), and may be reclaimed.
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| 申请公布号 |
US5174859(A) |
申请公布日期 |
1992.12.29 |
| 申请号 |
US19910683244 |
申请日期 |
1991.04.10 |
| 申请人 |
HPD INCORPORATED |
发明人 |
RITTOF, TIMOTHY J.;PATEL, JEAN-CLAUDE |
| 分类号 |
C02F1/22;D21C11/00 |
主分类号 |
C02F1/22 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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