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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)
Application Number:
PCT/KR2016/001671
Publication Date:
February 23, 2017
Filing Date:
February 19, 2016
Export Citation:
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Assignee:
OCI CO LTD (KR)
International Classes:
B01D53/04; B01D53/68; B01J20/20
Foreign References:
US20110072965A12011-03-31
US5997613A1999-12-07
KR100820652B12008-04-10
US20140202547A12014-07-24
US20060228285A12006-10-12
KR101142106B12012-05-08
KR100261512B12000-07-15
KR100473526B12005-03-08
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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