| 发明名称 |
Process for removing ash from coal |
| 摘要 |
Mineral impurities can be effectively removed from coal by introducing oil droplets into an aqueous slurry of pulverized coal. Coal, which is lipophilic, attaches to the surface of the oil droplets and floats upwardly along with the oil droplets utilizing their buoyancy. On the other hand, mineral impurities, which are hydrophilic, are left in the aqueous slurry.
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| 申请公布号 |
US4456528(A) |
申请公布日期 |
1984.06.26 |
| 申请号 |
US19810320091 |
申请日期 |
1981.11.10 |
| 申请人 |
HITACHI, LTD.;BABCOCK-HITACHI KABUSHIKI KAISHA |
发明人 |
AKIMOTO, HIDETOSHI;KAJI, RYUICHI;KOMURO, TAKEO;MURANAKA, YASUSHI;KIKUCHI, HIDEO;HISHINUMA, YUKIO;NAKAJIMA, FUMITO;TERADA, HIROSHI |
| 分类号 |
C10L9/00;B03B5/00;B03B9/00;B03D1/00;B03D1/02;B03D3/00;(IPC1-7):B07B13/00 |
主分类号 |
C10L9/00 |
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代理人 |
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