KR940005317A - 저온에서 연도가스로부터 질소를 제거하는 방법 - Google Patents

저온에서 연도가스로부터 질소를 제거하는 방법 Download PDF

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Publication number
KR940005317A
KR940005317A KR1019930008024A KR930008024A KR940005317A KR 940005317 A KR940005317 A KR 940005317A KR 1019930008024 A KR1019930008024 A KR 1019930008024A KR 930008024 A KR930008024 A KR 930008024A KR 940005317 A KR940005317 A KR 940005317A
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South Korea
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catalyst
flue gas
nitrogen
teflon
low temperatures
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KR1019930008024A
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English (en)
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블룸리히 슈테판
엔글러 베른트
쿤쩨 루쯔
라우벤슈타인 슈테판
펠트츄스 에릭
뮐러 헤르베르트
Original Assignee
볼프강 베버, 라인하르트 헤르만
데구사 아크티엔게젤샤프트
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Publication of KR940005317A publication Critical patent/KR940005317A/ko

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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
    • B01J37/0201—Impregnation
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • 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
    • B01J27/20—Carbon compounds
    • 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
    • B01J33/00—Protection of catalysts, e.g. by 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0219—Coating the coating containing organic compounds
    • 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
    • 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
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • 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
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20—Vanadium, niobium or tantalum
    • B01J23/22—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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/30—Tungsten

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

Abstract

본 발명의 목적은 저온에서 연도가스로부터 질소를 제거하기 위한 촉매에 관한 것이다. 저온에서 연도가스로부터 질소를 게거함에 있어서 자체가 공지된 DENOX 촉매의 활성은 이에 소수성을 부여함으로써 증진시킬 수 있다.

Description

저온에서 연도가스로부터 질소를 제거하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 합성 가스의 함수량에 대한 비교 촉매 및 본 발명에 따른 촉매에 의해 촉매화된 NOx의 전환율을 도시한 것이며,
제2도는 실험 공장에서 연도가스의 함수량에 대한 비교 촉매 및 본 발명에 따른 촉매에 의해 촉매화된 NOx의 전환율을 도시한 것이며,
제3도는 실험 공장에서 연도가스의 온도에 대한 비교 촉매 및 본 발명에 따른 촉매에 의해 촉매화된 NOx의 전환율을 도시한 것이다.

Claims (4)

  1. 촉매가 소수성 피복되었음을 특징으로 하는, 저온에서 연도가스로부터 질소를 제거하기 위한 그 자체가 공지된 DENOX 촉매를 함유하는 촉매.
  2. 제1항에 있어서, 촉매가 테플론으로 피복됨을 특징으로 하는 촉매.
  3. 테플론 현탁액에서 자체가 공지된 DEN0X 촉매를 1회 또는 수회 침지시켜 테플론으로 함침시키고, 130℃에서 건조시킨 다음, 350℃에서 3시간 동안 기류에서 템퍼링시킴을 특징으로 하여, 제1항에 따른 촉매를 제조하는 방법.
  4. 처리할 연도가스를 탄소 또는 섬유상 필터를 사용하여 정제하고, 환원제, 바람직하게는 암모니아를 첨가하면서 여전히 함유된 질수 산화물을 130 내지 350℃의 온도에서 제1항에 따른 촉매 위에서 질소 및 물로 환원시킴을 특징으로 하여, 저온에서 연도가스로부터 질소를 제거하는 방법.
    ※참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019930008024A 1992-05-12 1993-05-11 저온에서 연도가스로부터 질소를 제거하는 방법 KR940005317A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4215582A DE4215582C1 (de) 1992-05-12 1992-05-12 DENOX - Katalysator für die Tieftemperatur-Entstickung von Rauchgasen
DEP4215582.7 1992-05-12

Publications (1)

Publication Number Publication Date
KR940005317A true KR940005317A (ko) 1994-03-21

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ID=6458650

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930008024A KR940005317A (ko) 1992-05-12 1993-05-11 저온에서 연도가스로부터 질소를 제거하는 방법

Country Status (7)

Country Link
EP (1) EP0569877A1 (ko)
JP (1) JPH0647282A (ko)
KR (1) KR940005317A (ko)
CN (1) CN1081123A (ko)
BR (1) BR9301807A (ko)
CA (1) CA2095938A1 (ko)
DE (1) DE4215582C1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100553117B1 (ko) * 1997-07-09 2006-02-22 바브콕-히다찌 가부시끼가이샤 탈질 촉매, 그 제조공정 및 배기가스 정화방법

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399829B (de) * 1994-03-11 1995-07-25 Austrian Energy & Environment Verfahren zur abscheidung von schwefeltrioxid und zum betreiben einer katalytischen entstickungsanlage
US5620669A (en) * 1995-08-15 1997-04-15 W. L. Gore & Associates, Inc. Catalytic filter material and method of making same
JP2003220317A (ja) * 2002-01-30 2003-08-05 Mitsubishi Heavy Ind Ltd 燃焼排ガスの処理方法およびそのシステム
CN109225248B (zh) * 2018-08-09 2021-03-16 江苏龙净科杰环保技术有限公司 蜂窝式低温脱硝催化剂及其制备工艺
EP3860757A1 (en) * 2018-10-02 2021-08-11 Basf Se Processes for carrying out chemical reactions in fluid phase in the presence of films comprising catalyst particles
US11541380B2 (en) 2020-09-23 2023-01-03 Southwest Research Institute Superhydrophobic coatings for deposit reduction in selective catalytic reductant systems
WO2024196637A1 (en) * 2023-03-17 2024-09-26 W. L. Gore & Associates, Inc. In-situ regeneration of filter medium for improving catalytic efficiency

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1200540A (en) * 1983-10-24 1986-02-11 Atomic Energy Of Canada Limited - Energie Atomique Du Canada, Limitee Method of manufacturing a crystalline silica/platinum catalyst structure
DE3544320A1 (de) * 1985-12-14 1987-08-27 Rennebeck Klaus Kaskaden-sequenzkatalysation mit katalysator-serienschaltung in abhaengigkeit zur reaktionstemperatur
DE3713169A1 (de) * 1987-04-17 1988-11-03 Bayer Ag Verfahren und vorrichtung zur reduktion von stickoxiden
CA1301400C (en) * 1987-11-09 1992-05-19 Sellathurai Suppiah Porous composite materials and methods for preparing them
DE3735758A1 (de) * 1987-10-22 1989-05-03 Degussa Verfahren zur katalytischen reduktion von sauerstoff in waessrigen medien
CA1295813C (en) * 1988-12-14 1992-02-18 Karl T. Chuang Reduction of nitrogen oxides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100553117B1 (ko) * 1997-07-09 2006-02-22 바브콕-히다찌 가부시끼가이샤 탈질 촉매, 그 제조공정 및 배기가스 정화방법

Also Published As

Publication number Publication date
DE4215582C1 (de) 1993-12-16
JPH0647282A (ja) 1994-02-22
EP0569877A1 (de) 1993-11-18
CA2095938A1 (en) 1993-11-13
CN1081123A (zh) 1994-01-26
BR9301807A (pt) 1993-11-16

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