KR850007569A - 세라믹 단일체 구조물을 예정량의 촉매로 함침시키는 방법 - Google Patents

세라믹 단일체 구조물을 예정량의 촉매로 함침시키는 방법 Download PDF

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KR850007569A
KR850007569A KR1019850002259A KR850002259A KR850007569A KR 850007569 A KR850007569 A KR 850007569A KR 1019850002259 A KR1019850002259 A KR 1019850002259A KR 850002259 A KR850002259 A KR 850002259A KR 850007569 A KR850007569 A KR 850007569A
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monolith
stage
vacuum
coating slurry
slurry
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KR1019850002259A
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KR920005090B1 (ko
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쉼록 토마스 (외 2)
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케네쓰 에이. 제노니
엥겔하드 코오포레이숀
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/02Processes using inorganic exchangers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/514Process applicable either to preparing or to regenerating or to rehabilitating catalyst or sorbent

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

내용 없음

Description

세라믹 단일체 구조물을 예정량의 촉매로 함침시키는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 세라믹 단일체의 골격 지지 부재를 피복시키는 것에 본 발명의 방법이 수행될 수 있는 시스템의 한가지 예를 개략적인 횡단면도로 설명하는 것이다.

Claims (18)

  1. 예정량의 피복 슬러리를 계량하여서 단일체 지지 부재의 제1단과 접촉되도록 하고, 단일체 지지부재의 대향단의 주변에 커버를 밀폐되게 위치시켜서 지지 부재의 대향단에 근접하는 진공 쳄버가 형성되게 하고, 이어서 상기 커버에 진공을 도입시켜서 피복 슬러리가 단일 지지체의 대향단으로부터 골격 구조체에 흡인되도록 하여서 내부 골격 구조체가 피복 슬러리로 균일하게 함침되도록 하는 것이 특징인 세라믹 단일체 촉매 지지 부재의 골격 구조체를 피복재의 슬러리로 함침시키는 방법.
  2. 제1항에 있어서, 상기 단일체의 제1단이 단일 구조체의 하단이고, 이 하단이 용기에 있는 피복 슬러리에 부분적으로 잠기게 한 방법.
  3. 제2항에 있어서, 상기 단일체의 하단이 용기의 하부 표면에 대하여 일정 간격으로 피복 슬러리에 잠기게 한 방법.
  4. 제3항에 있어서, 상기 단일체의 하단과 용기의 저면 사이의 간격이 약 0.051cm내지 0.318cm범위인 방법.
  5. 제4항에 있어서, 상기 간격이 0.102cm인 방법.
  6. 제1항에 있어서, 피복 슬러리의 점도가 약 15내지 300cps인 방법.
  7. 제2항에 있어서, 진공이 적어도 연속된 2차의 단계로 도입하되 2차 단계에서 단일체에 가해진 진공압력이 제1단계에 가해진 진공 압력 보다 더 높은 방법.
  8. 제7항에 있어서, 상기 2차 단계의 제1단계에서의 진공은 물 높이로 약 1.27cm내지 1.78cm이고, 상기 2차 단계의 제2 단계에서의 진공은 물 높이로 약 7.62cm내지 50.8cm인 방법.
  9. 제8항에 있어서, 제1단계의 진공은 약 1내지 8초간 계속 가해지고, 제2 단계의 진공은 약 10내지 30초간 계속 가해지는 방법.
  10. 제7항에 있어서, 상기 피복 슬러리의 점도는 약 17내지 70c센티 뽀아즈의 범위이고, 제2 단계에서 단일체에 가해진 진공압력이 제1단계에서의 진공 압력보다 약 5내지 10배인 방법.
  11. 제2항에 있어서, 예정량의 피복 슬러리의 일차로 단일체 지지부재의 하단에 흡인된 후, 단일체가 180도 전위도어서 나머지 피복 슬러리가 단일체의 상단에 진공 흡인이 계속되도록 하는 방법.
  12. 제11항에 있어서, 예정량의 슬러리 약 50내지 80중량%가 일차로 단일체의 하단에 흡인되고, 피복슬러리의 약 15내지 50중량%가 전위된 단일체의 상단에 흡인되는 방법.
  13. 제1항에 있어서, 예정량의 피복 슬러리는 단일체의 상단과 접촉되고, 단일체의 하단이 진공에 부쳐지는 방법.
  14. 제1항에 있어서, 피복 슬러리가 고형분 함량이 약 35내지 52중량%인 방법.
  15. 제1항에 있어서, 피복 고체가 고급 표면 알루미나로 되는 방법.
  16. 제1항에 있어서, 피복 고체가 플라티늄, 팔라듐 및 로듐으로 구성되는 군 중에서 선택되는 희귀 금속인 방법.
  17. 제1항에 있어서, 피복 슬러리 고체가 고급 표면 알루미나와 플라티늄, 팔라듐 및 로듐으로 구성되는 군 중에서 선택되는 희귀 금속의 혼합물인 방법.
  18. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.
KR1019850002259A 1984-04-05 1985-04-04 세라믹 일체식 구조물을 소정량의 촉매로 함침시키는 방법 KR920005090B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/596,993 US4550034A (en) 1984-04-05 1984-04-05 Method of impregnating ceramic monolithic structures with predetermined amounts of catalyst
US596993 1984-04-05
US596,993 1984-04-05

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KR850007569A true KR850007569A (ko) 1985-12-07
KR920005090B1 KR920005090B1 (ko) 1992-06-26

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US (1) US4550034A (ko)
EP (1) EP0157651B1 (ko)
JP (1) JP2737837B2 (ko)
KR (1) KR920005090B1 (ko)
AT (1) ATE55925T1 (ko)
AU (1) AU584889B2 (ko)
BR (1) BR8501549A (ko)
CA (1) CA1243656A (ko)
DE (2) DE157651T1 (ko)
ES (1) ES8606022A1 (ko)
MX (1) MX163545B (ko)

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CA1243656A (en) 1988-10-25
JPS60225653A (ja) 1985-11-09
DE3579341D1 (de) 1990-10-04
DE157651T1 (de) 1986-04-30
AU584889B2 (en) 1989-06-08
MX163545B (es) 1992-05-28
ATE55925T1 (de) 1990-09-15
BR8501549A (pt) 1985-11-26
JP2737837B2 (ja) 1998-04-08
EP0157651A3 (en) 1986-10-22
AU4087785A (en) 1985-10-10
KR920005090B1 (ko) 1992-06-26
ES8606022A1 (es) 1986-04-01
ES541933A0 (es) 1986-04-01
EP0157651A2 (en) 1985-10-09
US4550034A (en) 1985-10-29
EP0157651B1 (en) 1990-08-29

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