KR850000007A - Combustion Exhaust Gas Treatment Catalyst - Google Patents

Combustion Exhaust Gas Treatment Catalyst Download PDF

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Publication number
KR850000007A
KR850000007A KR1019830002950A KR830002950A KR850000007A KR 850000007 A KR850000007 A KR 850000007A KR 1019830002950 A KR1019830002950 A KR 1019830002950A KR 830002950 A KR830002950 A KR 830002950A KR 850000007 A KR850000007 A KR 850000007A
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South Korea
Prior art keywords
catalyst
exhaust gas
combustion exhaust
coating layer
alumina
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KR860002188B1 (en
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유끼오(외2) 고사끼
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사도오 슌지
닙뽕 엥겔하르도 가부시끼 가이샤
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catalysts (AREA)
  • Incineration Of Waste (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

내용 없음.No content.

Description

연소배기가스 처리촉매Combustion Exhaust Gas Treatment Catalyst

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 연소배기가스 처리촉매의 일실시예를 나타내는 부분확대단면도.1 is a partially enlarged cross-sectional view showing an embodiment of the combustion exhaust gas treatment catalyst according to the present invention.

제2도는 본 발명의 촉매와 종래 촉매의 성능을 비고실험하기 위하여 사용한 실험장치의 개략단면도.2 is a schematic cross-sectional view of an experimental apparatus used to test the performance of the catalyst of the present invention and the conventional catalyst.

제3도는 비교실험결과를 표시한 그래프도.3 is a graph showing the results of a comparative experiment.

Claims (7)

촉매층 및 그 촉매층의 표면에 형성되는 열안정성 산화물로 된 피복층으로 구성되 연소배기가스 처리촉매.A combustion exhaust gas treating catalyst comprising a catalyst layer and a coating layer of thermally stable oxide formed on the surface of the catalyst layer. 촉매층은 백금, 파라듐 또는 백금과 파라듐의 혼합물질로 형성되어 담체에 담지되어 있으며, 피복층은 알루미나 또는 알루미나 및 실리카, 티타니아, 세리아 또는 질코니아로부터 선택된 최택된 최소한 한종류의 산화물과의 혼합물로 형성됨을 특징으로 하는, 청구범위 1의 연소배기가스 처리촉매.The catalyst layer is formed of platinum, palladium or a mixture of platinum and paradium and supported on a carrier. The coating layer is a mixture of alumina or alumina and at least one oxide selected from silica, titania, ceria or zirconia. A combustion exhaust gas treatment catalyst according to claim 1, characterized in that it is formed. 담체가 세라믹스, 내열금속 및 내열무기섬유로 구성된 군으로부터 선택된 재료로 형성된 하니캄 구조체, 다공체 또는 망상구조체임을 특징으로 하는, 청구범위 2의 연소배기가스 처리촉매.The combustion exhaust gas treatment catalyst according to claim 2, wherein the carrier is a honeycomb structure, a porous body or a network structure formed of a material selected from the group consisting of ceramics, heat resistant metals and heat resistant inorganic fibers. 피복층의 두께가 15-60um임을 특징으로 하는, 청구범위 1 또는 2의 연소배기가스 처리촉매.The combustion exhaust gas treating catalyst of claim 1 or 2, wherein the coating layer has a thickness of 15-60 um. 피복층과 촉매층의 총 BET표면적이 촉매 1g 중량당 15m2이상 되도록 피복층이 피복됨을 특징으로 하는, 청구범위 1 또는 2의 연소배기가스 처리촉매.The combustion exhaust gas treating catalyst according to claim 1 or 2, wherein the coating layer is coated such that the total BET surface area of the coating layer and the catalyst layer is 15 m 2 or more per 1 g weight of the catalyst. 질소흡착법에 따른 세공분포측정법에 의한 세공분포로 세공직경 300A 이하의 미세공의 세공용적이 촉매 1g중량당 0.02ml이상되도록 피복층이 피복됨을 특징으로 하는, 청구범위 1 또는 2의 연소배기가스 처리촉매.The combustion exhaust gas treating catalyst according to claim 1 or 2, wherein the coating layer is coated such that the pore volume of the fine pores having a pore diameter of 300 A or less is 0.02 ml or more per 1 g of the catalyst by the pore distribution by the pore distribution measuring method according to the nitrogen adsorption method. 피복층의 알루미나는 알루미나성분에 있어서 BET표면적이 알루미나 1g중량 100m2이상이며, 질소흡착법에 따른 세공분포측정법에 의하여 세공직경 100Å이하의 미세공의 세공용적이 알루미나 1g중량당 0.2ml이상인 것을 특징으로 하는, 청구범위 1 또는 2의 연소배기가스 처리촉매.The alumina of the coating layer has a BET surface area of 1 g by weight of 100 m 2 or more in the alumina component, and a pore volume of fine pores having a pore diameter of 100 μm or less by 0.2 pore diameter of less than 0.2 ml per 1 g by weight of alumina by a pore distribution measurement method according to the nitrogen adsorption method. , Combustion exhaust gas treatment catalyst of claim 1 or 2. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830002950A 1983-06-20 1983-06-29 Combustion Flue Gas Treatment Catalyst Expired KR860002188B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP58-110688 1983-06-20
JP110688 1983-06-20
JP58110688A JPS605230A (en) 1983-06-20 1983-06-20 Catalyst for treating combustion exhaust gas

Publications (2)

Publication Number Publication Date
KR850000007A true KR850000007A (en) 1985-02-25
KR860002188B1 KR860002188B1 (en) 1986-12-30

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KR1019830002950A Expired KR860002188B1 (en) 1983-06-20 1983-06-29 Combustion Flue Gas Treatment Catalyst

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JP (1) JPS605230A (en)
KR (1) KR860002188B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111229005A (en) * 2020-03-02 2020-06-05 南京工程学院 Device and method for purifying and removing toxic smoke of 3D printing equipment

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63290314A (en) * 1987-05-22 1988-11-28 Ngk Insulators Ltd Method of processing combustion furnace waste gas
DE69520777T2 (en) * 1994-11-22 2001-10-11 Cataler Industrial Co., Ltd. Metallic carrier catalyst
JP4826207B2 (en) * 2005-10-28 2011-11-30 日産自動車株式会社 Exhaust gas purification catalyst and method for producing exhaust gas purification catalyst
JP2008168278A (en) 2006-12-15 2008-07-24 Nissan Motor Co Ltd Exhaust gas purification catalyst and method for producing the same
CN103742234A (en) * 2013-11-26 2014-04-23 南通华新环保设备工程有限公司 Small automobile tail gas purifier
JP6417333B2 (en) * 2013-12-13 2018-11-07 株式会社キャタラー Exhaust gas purification catalyst
CN104307518B (en) * 2014-11-05 2017-02-08 南通市康桥油脂有限公司 Preparation method for palladium-doped cerium-zirconium composite oxide
WO2021016511A1 (en) * 2019-07-25 2021-01-28 Porocel International, Llc Ex-situ conditioning of a catalyst composition in preparation for a sulfiding treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111229005A (en) * 2020-03-02 2020-06-05 南京工程学院 Device and method for purifying and removing toxic smoke of 3D printing equipment

Also Published As

Publication number Publication date
JPS605230A (en) 1985-01-11
KR860002188B1 (en) 1986-12-30

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