The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 06, 2010
Filed:
Dec. 21, 2007
Chang Soo Kim, Daegu, KR;
Gyeong Taek Gong, Seoul, KR;
Kye Sang Yoo, Seongbuk-gu, KR;
Byung Gwon Lee, Seoul, KR;
Kwang Deog Jung, Seoul, KR;
Hong Gon Kim, Seoul, KR;
Byoung Sung Ahn, Seoul, KR;
OH Shim Joo, Seoul, KR;
Chang Soo Kim, Daegu, KR;
Gyeong Taek Gong, Seoul, KR;
Kye Sang Yoo, Seongbuk-gu, KR;
Byung Gwon Lee, Seoul, KR;
Kwang Deog Jung, Seoul, KR;
Hong Gon Kim, Seoul, KR;
Byoung Sung Ahn, Seoul, KR;
Oh Shim Joo, Seoul, KR;
Korea Institute of Science and Technology, Seongbuk-gu, KR;
Abstract
The present invention relates to a method for separation and recycling of pure sulfur dioxide from a gaseous mixture in the IS cycle. More specifically, the present invention relates to a method for separation and recycling of pure sulfur dioxide from a gaseous mixture in the IS cycle using an ionic liquid under a specific condition. When compared with the conventional amine-based absorbent, the use of the ionic liquid enables continuous absorption and stripping of SOeven at high temperature, and enables a reversible absorption of SOwithout loss, decomposition or degradation of a solvent due to good chemical stability, thereby enabling separation and recycling of pure SOfrom a gaseous mixture in the IS cycle.