KR100928868B1 - 지지체 도핑에 따른 디젤산화 활성 및 내황성이 개선된doc 촉매 - Google Patents
지지체 도핑에 따른 디젤산화 활성 및 내황성이 개선된doc 촉매 Download PDFInfo
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- KR100928868B1 KR100928868B1 KR1020070030245A KR20070030245A KR100928868B1 KR 100928868 B1 KR100928868 B1 KR 100928868B1 KR 1020070030245 A KR1020070030245 A KR 1020070030245A KR 20070030245 A KR20070030245 A KR 20070030245A KR 100928868 B1 KR100928868 B1 KR 100928868B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/12—Silica and alumina
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
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Abstract
Description
Claims (3)
- 백금을 포함한 귀금속성분이 지지체에 담지된 디젤엔진 산화촉매에 있어서, 상기 지지체는 산성 실리카-알루미나의 고형 산성 지지체가 5 중량% 이내의 인화합물로 도핑되고 750℃ 이상의 고온에서 소성되며, 유기할로겐화합물이 포함되지 않은 디젤엔진 배기가스와 접촉되어 CO (이산화탄소) LOT로 표현되는 저온활성 및 내황성이 개선된 디젤엔진 산화촉매.
- 삭제
- 제1항에 있어서, 상기 인화합물은 인산, 인산암모늄 또는 인산이수소암모늄인 것을 특징으로 하는, 내황성이 개선된 디젤엔진 산화촉매.
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KR1020070030245A KR100928868B1 (ko) | 2007-03-28 | 2007-03-28 | 지지체 도핑에 따른 디젤산화 활성 및 내황성이 개선된doc 촉매 |
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KR1020070030245A KR100928868B1 (ko) | 2007-03-28 | 2007-03-28 | 지지체 도핑에 따른 디젤산화 활성 및 내황성이 개선된doc 촉매 |
Publications (2)
Publication Number | Publication Date |
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KR20080087981A KR20080087981A (ko) | 2008-10-02 |
KR100928868B1 true KR100928868B1 (ko) | 2009-11-30 |
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KR1020070030245A KR100928868B1 (ko) | 2007-03-28 | 2007-03-28 | 지지체 도핑에 따른 디젤산화 활성 및 내황성이 개선된doc 촉매 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150125887A (ko) * | 2014-04-30 | 2015-11-10 | 주식회사 퓨어스피어 | 인 첨가 알루미나계 산화촉매 제조방법 및 그 제조방법에 의한 산화촉매 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10047651B2 (en) * | 2016-12-06 | 2018-08-14 | GM Global Technology Operations LLC | Soot oxidation catalyst materials and selective catalytic reduction filter devices incorporating the same |
KR102218996B1 (ko) * | 2019-09-23 | 2021-02-22 | 희성촉매 주식회사 | 지지체에 망간이 도핑된 산화 촉매조성물 |
CN115999592A (zh) * | 2021-10-21 | 2023-04-25 | 中国石油化工股份有限公司 | 一种石脑油催化重整催化剂及制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900007474A (ko) * | 1988-11-18 | 1990-06-01 | 코닝 인코오포레이티드 | 분자체-팔라듐-백금 촉매 시스템 |
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- 2007-03-28 KR KR1020070030245A patent/KR100928868B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR900007474A (ko) * | 1988-11-18 | 1990-06-01 | 코닝 인코오포레이티드 | 분자체-팔라듐-백금 촉매 시스템 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150125887A (ko) * | 2014-04-30 | 2015-11-10 | 주식회사 퓨어스피어 | 인 첨가 알루미나계 산화촉매 제조방법 및 그 제조방법에 의한 산화촉매 |
KR101579523B1 (ko) * | 2014-04-30 | 2015-12-23 | 주식회사 퓨어스피어 | 인 첨가 알루미나계 산화촉매 제조방법 및 그 제조방법에 의한 산화촉매 |
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KR20080087981A (ko) | 2008-10-02 |
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