发明授权
- 专利标题： Separation of clay from coal
- 专利标题（中）： 从煤中分离粘土
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申请号： US406151申请日： 1982-08-09
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公开(公告)号： US4437982A公开(公告)日： 1984-03-20
- 发明人: George E. Wasson
- 申请人： George E. Wasson
- 申请人地址： DE Wilmington
- 专利权人： Conoco Inc.
- 当前专利权人： Conoco Inc.
- 当前专利权人地址： DE Wilmington
- 主分类号： B03B1/04
- IPC分类号： B03B1/04 ; B03B9/00 ; B03B1/00
摘要：
A method of separating fine coal particles from refuse particles comprising the step of:(a) providing a coal filter cake(b) forming a slurry of fine coal particles, refuse particles in a liquid mixture comprising water and organic liquid,(c) contacting said coal filter cake with said slurry,whereby a major portion of said water and a major portion of said refuse pass through said filter cake and a major portion of said organic liquid and a major portion of said fine coal particles pass across the top of said filter cake.
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