Title:
還元脱硝用尿素水およびそれを用いた脱硝装置
Document Type and Number:
Japanese Patent JP4401669
Kind Code:
B2
Abstract:
To provide urea water with urea precipitation controlled and a highly reliable denitrification apparatus using the urea water.
In a SCR system 1 in which by the reduction effect of the urea water (ammonia) supplied from a urea water addition nozzle 5, NOx contained in exhaust gas 8 from an engine 2 is purified in an SCR catalyst 3, as the urea water to be used, urea water added with formaldehyde for controlling the precipitation of urea is used.
COPYRIGHT: (C)2005,JPO&NCIPI
More Like This:
WO/2000/018494 | CATALYTIC PLASMA REDUCTION OF NO¿x? |
WO/2023/095619 | EXHAUST GAS PURIFICATION CATALYST DEVICE |
JPS534766 | DENITRATION APPARATUS OF EXHAUST GAS |
Inventors:
Shinozaki Ritsuko
Yoshio Takeda
Shinichi Saito
Kenichi Kiyono
Tatsuyuki Tsukui
Yoshio Takeda
Shinichi Saito
Kenichi Kiyono
Tatsuyuki Tsukui
Application Number:
JP2003087210A
Publication Date:
January 20, 2010
Filing Date:
March 27, 2003
Export Citation:
Assignee:
Mitsubishi Fuso Truck and Bus Co., Ltd.
Nippon Kasei Co., Ltd.
Nippon Kasei Co., Ltd.
International Classes:
B01D53/94; F01N3/08; B01D53/56; C01C1/08; F01N3/28
Domestic Patent References:
JP2002001066A | ||||
JP2002530575A | ||||
JP54016427A | ||||
JP56109882A | ||||
JP8259442A |
Attorney, Agent or Firm:
Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto