Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR REMOVAL OF HYDROCARBON FROM WASTE ALKALI OF ALKALI SCRUBBER AND APPARATUS FOR REMOVAL THEREOF
Document Type and Number:
Japanese Patent JP2002047496
Kind Code:
A
Abstract:

To provide an economical and positive method and an apparatus for removing a hydrocarbon from a waste alkali derived from an alkali scrubber used for refining a decomposition gas within a thermal decomposition unit for thermally decomposing a saturated hydrocarbon.

The method for removal of a hydrocarbon from a waste alkali comprises contacting a waste alkali countercurrently with a stripping gas to absorb a hydrocarbon in at least one column, wherein the stripping is carried out in a tray column provided with a cascade tray.


Inventors:
KAISER WULF DR
SCHMITT ROLF
Application Number:
JP2001154568A
Publication Date:
February 12, 2002
Filing Date:
May 23, 2001
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BASF AG
International Classes:
B01D3/22; B01D3/16; C10G9/18; C10G19/02; C10G19/08; C10G53/12; C10G55/04; C10G70/06; (IPC1-7): C10G55/04; B01D3/22; C10G9/18; C10G19/02; C10G53/12
Attorney, Agent or Firm:
Toshio Yano (4 outside)