Title:
EXHAUST EMISSION CONTROL DEVICE FOR DIESEL ENGINE
Document Type and Number:
Japanese Patent JPS59134312
Kind Code:
A
Abstract:
PURPOSE:To aim at improvements in the capacity of exhaust emission control, by making sulfur dioxide turn to sulfur trioxide, while having the latter adsorbed to a porous substance, in case of an exhaust emission control device capable of reducing pollution substances in exhaust gas. CONSTITUTION:At the upstream side of a mulffer 5 in the exhaust pipe of a Diesel engine 2, there are provided in order with a catalyzer A for HC, CO and particulate emission control use, zirconia excellent in sulfur trioxide adsorption, porous materials such as active carbon titania and an adsorbent material B coated with these porous materials. Sulfur dioxide SO2 is oxidized by the catalyzer A and therefore turned to sulfur trioxide SO3, thus absorbed by the adsorbent material B.
Inventors:
HORI KENJI
TSUJI KATSUYUKI
TSUJI KATSUYUKI
Application Number:
JP659083A
Publication Date:
August 02, 1984
Filing Date:
January 20, 1983
Export Citation:
Assignee:
MITSUBISHI MOTORS CORP
International Classes:
B01D53/86; F01N3/02; F01N3/08; F01N13/02; F02B3/06; (IPC1-7): B01D53/36; F01N3/02
Attorney, Agent or Firm:
Jiro Nagaya
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