Title:
EXHAUST GAS PURIFICATION APPARATUS AND EXHAUST GAS PURIFICATION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/056517
Kind Code:
A1
Abstract:
The present invention relates to an exhaust gas purification apparatus and an exhaust gas purification method using the same. According to a specific embodiment, the exhaust gas purification apparatus comprises: a diesel oxidation catalyst (DOC) unit for converting nitrogen oxides (NOx), contained in an exhaust gas introduced therein through a gas inlet portion, into nitrogen dioxide (NO2); a composite diesel particulate filter (DPF) unit connected to the rear end of the DOC unit through an inflow line and removing harmful components including particulate substances and nitrogen oxides from the exhaust gas discharged from the DOC unit and introduced therein; and a circulation line disposed in the inflow line so as to introduce the exhaust gas discharged from the DOC unit into the gas inlet portion.
Inventors:
EOM YONG SEOK (KR)
LEE JUNG BIN (KR)
KIM JUN HAN (KR)
LEE JOONG WON (KR)
HUR KWANG BEOM (KR)
LEE JUNG BIN (KR)
KIM JUN HAN (KR)
LEE JOONG WON (KR)
HUR KWANG BEOM (KR)
Application Number:
PCT/KR2016/013831
Publication Date:
March 29, 2018
Filing Date:
November 29, 2016
Export Citation:
Assignee:
KOREA ELECTRIC POWER CORP (KR)
International Classes:
F01N3/08; B01D46/00; B01D53/86; F01N3/035; F01N3/20; F01N9/00
Foreign References:
| KR101575478B1 | 2015-12-07 | |||
| KR20090075694A | 2009-07-08 | |||
| KR20100106477A | 2010-10-01 | |||
| JP2014517892A | 2014-07-24 | |||
| KR20050051637A | 2005-06-01 |
Attorney, Agent or Firm:
AJU INT'L LAW & PATENT GROUP (KR)
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