Title:
EXHAUST EMISSION CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2021110258
Kind Code:
A
Abstract:
To improve elimination efficiency of nitrogen oxide at a low temperature.SOLUTION: An exhaust emission control device in one embodiment includes: a hydrogen supply device generating hydrogen; a reforming unit having an oxidation catalyst oxidizing nitrogen monoxide included in exhaust gas to generate nitrogen dioxide and an ammonia generation catalyst generating ammonia by reacting nitrogen monoxide included in exhaust gas and hydrogen generated by the hydrogen supply device with each other; and a selective reduction catalyst reducing nitrogen oxide including nitrogen dioxide by reacting nitrogen dioxide generated by the reforming unit and ammonia.SELECTED DRAWING: Figure 2
Inventors:
HOSOYA MITSURU
NAKAGAWA TAKASHI
NAKAGAWA TAKASHI
Application Number:
JP2020000854A
Publication Date:
August 02, 2021
Filing Date:
January 07, 2020
Export Citation:
Assignee:
HINO MOTORS LTD
International Classes:
F01N3/08; B01D53/94; C01C1/04; C25B9/00; F01N3/10; F01N3/24
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Daisuke Okumura
Yoshiki Kuroki
Daisuke Okumura