发明申请
- 专利标题: Upgrading of tar using POX/coker
- 专利标题(中): 使用POX /焦化器升级焦油
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申请号: US11881063申请日: 2007-07-25
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公开(公告)号: US20080083649A1公开(公告)日: 2008-04-10
- 发明人: James McCoy , Paul Keusenkothen , Alok Srivastava , James Graham
- 申请人: James McCoy , Paul Keusenkothen , Alok Srivastava , James Graham
- 主分类号: C10C1/20
- IPC分类号: C10C1/20 ; B01D3/14
摘要:
The invention is directed to a process wherein a feedstock or stream comprising steam cracker tar is passed to a vacuum pipestill. A deasphalted cut of tar is obtained as an overhead (or sidestream) and a heavy tar asphaltenic product is obtained as bottoms. In preferred embodiments, at least a portion of the bottoms product is sent to a partial oxidation unit (POX) wherein syn gas may be obtained as a product, and/or at least a portion of the bottoms product is used to produce a light product stream in a coker unit, such as coker naphtha and/or or coker gas oil. In another preferred embodiment at least a portion of the overheads product is added to refinery fuel oil pools and in yet another preferred embodiment at least a portion of the overheads product is mixed with locally combusted materials to lower soot make. Two or more of the aforementioned preferred embodiments may be combined.
公开/授权文献
- US08083931B2 Upgrading of tar using POX/coker 公开/授权日:2011-12-27
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