发明名称 |
VPS tar separation |
摘要 |
A process is described for producing deasphalted steam cracker tar comprising feeding steam cracker tar to a vacuum pipestill (VPS) including a flash zone separated from a zone comprising trays by at least one annular entrainment ring and obtaining as an overheads a deasphalted tar product and as a bottoms an asphaltenic heavy tar product. Also according to the invention, there is a system for the upgrading of tar comprising said VPS with at least one annular entrainment ring. |
申请公布号 |
US8083930(B2) |
申请公布日期 |
2011.12.27 |
申请号 |
US20070880983 |
申请日期 |
2007.07.25 |
申请人 |
MCCOY JAMES N.;KEUSENKOTHEN PAUL F.;SRIVASTAVA ALOK;GRAHAM JAMES E;EXXONMOBIL CHEMICAL PATENTS INC. |
发明人 |
MCCOY JAMES N.;KEUSENKOTHEN PAUL F.;SRIVASTAVA ALOK;GRAHAM JAMES E |
分类号 |
C10C1/04;C10C1/14;C10G9/36 |
主分类号 |
C10C1/04 |
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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