发明授权
- 专利标题: Process for the separation of hydrocarbons from a mixed feedstock
- 专利标题(中): 从混合原料中分离烃的方法
-
申请号: US794845申请日: 1985-11-04
-
公开(公告)号: US4690733A公开(公告)日: 1987-09-01
- 发明人: Paulino Forte , Jose A. Vidueira
- 申请人: Paulino Forte , Jose A. Vidueira
- 申请人地址: CT Danbury
- 专利权人: Union Carbide Corporation
- 当前专利权人: Union Carbide Corporation
- 当前专利权人地址: CT Danbury
- 主分类号: B01D3/32
- IPC分类号: B01D3/32 ; B01D3/38 ; B01D3/40 ; C07C7/08 ; C07C7/10 ; C07C15/00 ; C10G7/08 ; C10G21/28 ; B01D11/00
摘要:
In a combination solvent extraction-steam distillation process for the recovery of aromatic hydrocarbons, the improvement comprising(a) introducing high pressure steam into a steam ejector;(b) passing the steam from step (a) to a first heat exchanger where it exchanges heat with cooler lean solvent coming from the bottom of the distillation column and is condensed;(c) returning the lean solvent from step (b) to the bottom of the distillation column;(d) passing part of the condensate from step (b) to a second heat exchanger where it exchanges heat with the warmer lean solvent coming from the bottom of the distillation column, cooling the lean solvent and vaporizing the condensate; and(e) passing the vapor from step (d) to the steam ejector in step (a).
公开/授权文献
- US5754381A Output ESD protection with high-current-triggered lateral SCR 公开/授权日:1998-05-19
信息查询