发明申请
- 专利标题： METHOD FOR EXTRACTING BITUMEN FROM AN OIL SAND FEED STREAM
- 专利标题（中）： 从石油进料流提取铋的方法
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申请号： US13424562申请日： 2012-03-20
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公开(公告)号： US20120240824A1公开(公告)日： 2012-09-27
- 发明人: Michael David LANKSHEAR
- 申请人： Michael David LANKSHEAR
- 申请人地址： US TX Houston
- 专利权人： SHELL OIL COMPANY
- 当前专利权人： SHELL OIL COMPANY
- 当前专利权人地址： US TX Houston
- 优先权： CA2734465 20110321; CA2751251 20110831
- 主分类号： C10G1/04
- IPC分类号： C10G1/04 ; C04B24/36 ; C10C3/00
摘要：
A method for extracting bitumen from an oil sand feed stream comprises at least the steps of: (a) providing an oil sand feed stream; (b) contacting the oil sand feed stream with an aliphatic hydrocarbon solvent thereby obtaining a solvent-diluted oil sand slurry; (c) separating the solvent-diluted oil sand slurry, thereby obtaining a solids-depleted stream and a solids-enriched stream; and (d) removing solvent from the solids-enriched stream thereby obtaining a dry product comprising sand and bitumen, wherein the bitumen in the dry product comprises at least 40 wt. % asphaltenes.