| 发明名称 |
Low temperature thermal-chemical pretreatment process for peat dewatering |
| 摘要 |
This invention concerns dewatering peat by heating it and subjecting it to a surface active agent, preferably a cationic polymeric surface active agent and subsequently pressing the product to yield a peat product with lowered moisture content.
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| 申请公布号 |
US4720287(A) |
申请公布日期 |
1988.01.19 |
| 申请号 |
US19860891316 |
申请日期 |
1986.07.13 |
| 申请人 |
CANADIAN PATENTS AND DEVELOPMENT LTD. |
发明人 |
SHEPPARD, JOHN D.;COOPER, DAVID G. |
| 分类号 |
C10F5/00;(IPC1-7):C10L9/02;C10F7/06 |
主分类号 |
C10F5/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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