发明名称 |
Integrated SDA and ebullated-bed process |
摘要 |
This invention relates to a novel integrated method for economically processing vacuum residue from heavy crude oils. This is accomplished by utilizing a solvent deasphalter (SDA) in the first step of the process with a C<SUB>3</SUB>/C<SUB>4</SUB>/C<SUB>5 </SUB>solvent such that the DAO product can thereafter be processed in a classic fixed-bed hydrotreater or hydrocracker. The SDA feed also includes recycled stripper bottoms containing unconverted residue/asphaltenes from a downstream steam stripper unit. The asphaltenes from the SDA are sent to an ebullated-bed reactor for conversion of the residue and asphaltenes. Residue conversion in the range of 60-80% is achieved and asphaltene conversion is in the range of 50-70%. The overall residue conversion, with the DAO product considered non-residue, is in the range of 80 W %-90 W % and significantly higher than could be achieved without utilizing the present invention.
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申请公布号 |
US2006118463(A1) |
申请公布日期 |
2006.06.08 |
申请号 |
US20040005062 |
申请日期 |
2004.12.06 |
申请人 |
COLYAR JAMES J;KRESSMANN STEPHANE;GUERET CHRISTOPHE |
发明人 |
COLYAR JAMES J.;KRESSMANN STEPHANE;GUERET CHRISTOPHE |
分类号 |
C10G67/04 |
主分类号 |
C10G67/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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