KR970020185A - Manufacturing method of catalytic purifier for exhaust gas purification of diesel engine - Google Patents

Manufacturing method of catalytic purifier for exhaust gas purification of diesel engine Download PDF

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KR970020185A
KR970020185A KR1019950035259A KR19950035259A KR970020185A KR 970020185 A KR970020185 A KR 970020185A KR 1019950035259 A KR1019950035259 A KR 1019950035259A KR 19950035259 A KR19950035259 A KR 19950035259A KR 970020185 A KR970020185 A KR 970020185A
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ratio
exhaust gas
metal
platinum group
oxides
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KR1019950035259A
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KR0184718B1 (en
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김문찬
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김문찬
허참
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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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/648—Vanadium, niobium or tantalum or polonium
    • B01J23/6482—Vanadium
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

본 발명은 디이젤기관의 배출가스 산화정화를 위해 입자의 침전 및 주기적인 청소없이 연속적으로 사용 가능하며, 낮은 온도에서 탄화수소와 입자상물질 그리고 일산화탄소에 대해 높은 전화율을 가지며, 입자상물질과 탄화수소의 산화를 위해 강한 산성 특성을 갖도록 수소, 희토류금속, 란탄계금속, 구리 등으로 이온교환된 제올라이트와 세륨산화물, 사마륨산화물, 이트리아, 지르코니아를 활성유지물로 가지며 이들의 혼합물상에 부착된 백금그룹 금속 및 바나듐화합물, 인화합물의 용액을 갖는 활성유지물을 주입시키고 건조시켜 보올밀로 수성 슬러리를 만들어 일체구조를 갖는 하니콤 담체 또는 세라믹 필터에 위시코팅하고, 그후 건조하고 소성시켜 생성되는 것을 특징으로 하는 촉매정화재의 제조방법에 관한 것이다.The present invention can be used continuously without precipitation and periodic cleaning of particles for exhaust gas oxidative purification of diesel engines, and has a high conversion rate for hydrocarbons, particulate matter and carbon monoxide at low temperatures, and for oxidation of particulate matter and hydrocarbons. Platinum group metals and vanadium which are zeolites ion-exchanged with hydrogen, rare earth metals, lanthanum metals, copper, etc. to have strong acidic properties, and cerium oxides, samarium oxides, yttria, and zirconia as active substances and adhered to their mixtures Catalytic purification material, characterized in that the active oil containing a solution of a compound, a phosphorus compound is injected and dried to make an aqueous slurry with a bowl mill and wish-coated to a honeycomb carrier or ceramic filter having an integral structure, and then dried and calcined. It relates to a manufacturing method of.

활성금속으로서 사용되는 백금과 팔라듐의 비는 1:0.1∼1:9의 비를 가지며 세륨과 사마륨은 그 비가 1.0:1∼1:9로 백금족 금속과의 비율은 백금족 금속/(란탄계금속+백금족금속)=0.1~0.95의 비를 가지며 금속산화물이 내화성 무기산화물과 희토류 산화물에 담지되며 금속산화물/(내화성 무기산화물+희토류산화물)의 비가 0.05∼10중량%의 비를 갖고, 활성금속 성분으로서 백금족금속과 함께 세륨, 사마륨, 인, 바나듐, 구리, 코발트, 코롬 중에서 선택된 적어도 2종 이상의 금속을 포함하는 것을 특징으로 하는 방법이다.The ratio of platinum to palladium used as the active metal has a ratio of 1: 0.1 to 1: 9, and the ratio of cerium and samarium is 1.0: 1 to 1: 9, and the ratio of platinum group metal to platinum group metal / (lanthanide metal + Platinum group metal) = 0.1 to 0.95, the metal oxide is supported on the refractory inorganic oxide and the rare earth oxide, and the ratio of the metal oxide / (refractory inorganic oxide + rare earth oxide) is 0.05 to 10% by weight, and is an active metal component. In addition to the platinum group metal, it is a method comprising at least two or more metals selected from cerium, samarium, phosphorus, vanadium, copper, cobalt and corium.

내화성 무기 산화물과 희토류산화물로서 사용되는 알루미나와 다른 산화물의 무게비는 9:1∼1:9인 것을 특징으로 하며, 제올라이트는 Si/Al의 비가 1-500이고 Cu, Ni, Co, Fe, Mn, Mo, V, Ce, La, Sn, Nd중에서 선택된 원소를 하나 이상 함유한다. 상기 활성유지물은 30-300g/dm3(촉매용적), 적합하게는 70~200g/dm3(촉매용적)의 농도로 존재하는 것을 특징으로 하며, 하니콤 담체 또는 세라믹 필터는 코오데라이트, 모더나이트, 뮬라이트, α-알루미나, γ-알루미나, 알루미노실리케이트, 스피넬, 규산마그네슘을 재료로 하며, 바람직하게는 코오데라이트인 것을 특징으로 하는 방법이다.The weight ratio of alumina and other oxides used as refractory inorganic oxides and rare earth oxides is 9: 1 to 1: 9, and zeolite has a Si / Al ratio of 1-500 and Cu, Ni, Co, Fe, Mn, It contains at least one element selected from Mo, V, Ce, La, Sn and Nd. The active oil and fat is characterized in that it is present in a concentration of 30-300g / dm 3 (catalyst volume), suitably 70 ~ 200g / dm 3 (catalyst volume), the honeycomb carrier or ceramic filter is corderite, Mordenite, mullite, α-alumina, γ-alumina, aluminosilicate, spinel, magnesium silicate are preferred, and the method is characterized in that it is corderite.

또한 사용 범위는 디이젤기관으로는 선박용, 자동차용, 일반용이며 바람직하게는 자동차용에 더 적합한 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법에 관한 것이다.In addition, the use range relates to a method for producing a catalyst purifying material for exhaust gas purification of a diesel engine, characterized in that the diesel engine is for ships, automobiles, general purpose, and more preferably for automobiles.

Description

디젤기관의 배출가스 정화용 촉매정화재의 제조방법Manufacturing method of catalytic purifier for exhaust gas purification of diesel engine

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

Claims (9)

수소, 희토류금속, 란탄계금속, 구리 등으로 이온교환된 제올라이트와 세륨산화물, 사마륨산화물, 이트리아, 지르코니아를 활성유지물로 가지며 이들의 혼합물상에 부착된 백금그룹 금속 및 바나듐화합물, 인화합물의 용액을 갖는 활성유지물을 주입시키고 건조시켜 보올밀로 수성 슬러리를 만들어 일체구조를 갖는 하니콤 담체 또는 세라믹 필터에 워시코팅하고, 그후 건조하고 소성시켜 생성되는 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.Of zeolites ion-exchanged with hydrogen, rare earth metals, lanthanum-based metals, copper, and cerium oxides, samarium oxides, yttria, and zirconia as active substances; A catalyst for purifying exhaust gases of diesel engines, which is produced by injecting and drying an active fat having a solution, making an aqueous slurry with a bowl mill, wash coating the honeycomb carrier or ceramic filter having an integral structure, and then drying and calcining. Method for producing a purification material. 제1항에 있어서, 백금과 팔라듐의 비는 1:0.1~1:9의 비를 갖는 것을 득징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.The method for producing a catalyst purifying material for exhaust gas purification of a diesel engine according to claim 1, wherein the ratio of platinum to palladium is 1: 0.1 to 1: 9. 제1항에 있어서, 세륨과 사마륨은 그비가 1:0.1∼1:9로 백금족 금속과의 비율은 백금족 금속/(란탄계금속+백금족금속) =0.1∼0.95의 비를 갖는 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.2. A diesel according to claim 1, wherein cerium and samarium have a ratio of 1: 0.1 to 1: 9 and a ratio of platinum group metal to platinum group metal / (lanthanide metal + platinum group metal) = 0.1 to 0.95. Process for producing catalytic purifier for exhaust gas purification of engines. 제1항에 있어서, 금속산화물이 내화성 무기산화물과 희토류 산화물에 담지되며 금속산화물/(내화성 무기산화물+희토류산화물)의 비가 0.05∼10 중량%의 비를 갖는 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.The method of claim 1, wherein the metal oxide is supported on the refractory inorganic oxide and rare earth oxide, and the ratio of the metal oxide / (refractory inorganic oxide + rare earth oxide) has a ratio of 0.05 to 10% by weight for exhaust gas purification of diesel engines. Method for producing a catalytic purifier. 제1항에 있어서, 알루미나와 다른 산화물의 무게비가 9:1~1:9인 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.The method of claim 1, wherein the weight ratio of alumina and other oxides is from 9: 1 to 1: 9. 제1항에 있어서, 제올라이트는 Si/Al의 비가 1~500이며 Cu, Ni, Co, Fe, Mn, Mo, V, Ce, La, Sn, Nd중에서 선택된 원소를 하나 이상 함유하는 것을 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.The method of claim 1, wherein the zeolite is a Si / Al ratio of 1 to 500 and containing at least one element selected from Cu, Ni, Co, Fe, Mn, Mo, V, Ce, La, Sn, Nd Method for producing catalyst purifying material for exhaust gas purification 제1항에 있어서, 상기 활성유지물은 30~300g/dm3(촉매용적), 적합하게는 70∼200g/dm3(촉매용적)의 농도로 존재하는 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.The method of claim 1, wherein the active hold water is 30 ~ 300g / dm 3 (catalyst volume), preferably for purifying exhaust gas of a diesel engine, characterized in that present in a concentration of 70~200g / dm 3 (catalyst volume) Method for producing a catalytic purifier. 제1항에 있어서, 하니콤 담체 또는 세라믹 필터는 코오데라이트, 모더나이트, 뮬라이트, α-알루미나, γ-알루미나, 알루미노실리케이트, 스피넬, 규산마그네슘을 재료로 하는 코오데라이트인 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.2. The honeycomb carrier or ceramic filter according to claim 1, wherein the honeycomb carrier or ceramic filter is corderite made from a material such as corderite, mordenite, mullite, α-alumina, γ-alumina, aluminosilicate, spinel, and magnesium silicate. Method for producing a catalytic purifier for exhaust gas purification of diesel engines. 제1항에 있어서, 활성금속 성분으로서 백금족금속과 함께 세륨, 사마륨, 인, 바나듐, 구리, 코발트, 크롬중에서 선택된 적어도 2종 이상의 금속을 포함하는 것을 특징으로 하는 디이젤기관의 배출가스 정화용 촉매정화재의 제조방법.The catalyst purifying material for exhaust gas purification of diesel engine according to claim 1, wherein the active metal component comprises at least two or more metals selected from cerium, samarium, phosphorus, vanadium, copper, cobalt, and chromium together with a platinum group metal. Manufacturing method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950035259A 1995-10-13 1995-10-13 Preparation of catalyst for purifying diesel engine exhaust gas KR0184718B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010037199A (en) * 1999-10-14 2001-05-07 이계안 Catalyst for diesel engine
KR20010057159A (en) * 1999-12-18 2001-07-04 구자홍 Additional information display television using auxiliary display device
KR100296638B1 (en) * 1998-04-24 2001-09-06 윤종용 Teletext receiving data detection circuit and method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100704128B1 (en) * 2005-06-03 2007-04-09 김문찬 Nano catalyst and preparation method for removal of volatile organic compounds
KR100760681B1 (en) * 2006-05-22 2007-09-28 (주)대우건설 Precast concrete barrier and barrier system of bridge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100296638B1 (en) * 1998-04-24 2001-09-06 윤종용 Teletext receiving data detection circuit and method thereof
KR20010037199A (en) * 1999-10-14 2001-05-07 이계안 Catalyst for diesel engine
KR20010057159A (en) * 1999-12-18 2001-07-04 구자홍 Additional information display television using auxiliary display device

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