CO OXIDATION CATALYST AND MANUFACTURING METHOD THEREFOR

To provide a CO oxidation catalyst excellent in resistance against a poisoning component such as halogen hydrogen, and capable of maintaining high CO oxidation rate over long time, and a manufacturing method of the CO oxidation catalyst.SOLUTION: There is provided a catalyst for oxidizing CO in an e...

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Bibliographic Details
Main Authors TONO KOJI, MASUDA TOMOTSUGU, YASUTAKE SATONOBU, NOJI KATSUMI, YONEMURA MASANAO
Format Patent
LanguageEnglish
Japanese
Published 28.03.2019
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:To provide a CO oxidation catalyst excellent in resistance against a poisoning component such as halogen hydrogen, and capable of maintaining high CO oxidation rate over long time, and a manufacturing method of the CO oxidation catalyst.SOLUTION: There is provided a catalyst for oxidizing CO in an exhaust gas, containing at least TiOas a carrier, and Pt or Pt and Ru, or Ir as active metals carried on the carrier, and having specific surface area of the carrier of 50 m/g to 270 m/g.SELECTED DRAWING: Figure 1 【課題】ハロゲン水素等の被毒成分に対する耐性に優れ、かつ長時間に亘って高いＣＯ酸化率を維持できるＣＯ酸化触媒及びＣＯ酸化触媒の製造方法を提供する。【解決手段】排ガス中のＣＯを酸化するための触媒であって、担体であるＴｉＯ2と、前記担体に担持された活性金属であるＰｔ又はＰｔとＲｕ若しくはＩｒとを少なくとも含み、前記担体の比表面積が５０ｍ2／ｇ以上２７０ｍ2／ｇ以下である。【選択図】 図１
Bibliography:Application Number: JP20170174924