Title:
METHOD FOR PURIFYING FLUORINATED GREENHOUSE GAS
Document Type and Number:
WIPO Patent Application WO/2017/030257
Kind Code:
A1
Abstract:
The present invention relates to a method for purifying a fluorinated greenhouse gas. More specifically, the present invention relates to a method for selectively recovering nitrogen trifluoride from a gas mixture containing impurities using an activated and modified carbon-based absorbent.
Inventors:
LEE SANG-YUP (KR)
KIM HYUN-JUN (KR)
KIM HYUN-JUN (KR)
Application Number:
PCT/KR2016/001671
Publication Date:
February 23, 2017
Filing Date:
February 19, 2016
Export Citation:
Assignee:
OCI CO LTD (KR)
International Classes:
B01D53/04; B01D53/68; B01J20/20
Foreign References:
US20110072965A1 | 2011-03-31 | |||
US5997613A | 1999-12-07 | |||
KR100820652B1 | 2008-04-10 | |||
US20140202547A1 | 2014-07-24 | |||
US20060228285A1 | 2006-10-12 | |||
KR101142106B1 | 2012-05-08 | |||
KR100261512B1 | 2000-07-15 | |||
KR100473526B1 | 2005-03-08 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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