CA1122584A - Process for producing plate-shaped denitrating catalysts - Google Patents

Process for producing plate-shaped denitrating catalysts

Info

Publication number: CA1122584A
Authority: CA; Canada
Prior art keywords: sol; plate; slurry; catalyst; binder
Prior art date: 1978-09-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA334,129A

Other languages

English (en)

French (fr)

Inventor

Yasumi Kamino

Kenichi Nagai

Hideya Inaba

Kazuo Maeda

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hitachi Zosen Corp

Original Assignee

Hitachi Zosen Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-09-20

Filing date

1979-08-20

Publication date

1982-04-27

1979-08-20 Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp

1982-04-27 Application granted granted Critical

1982-04-27 Publication of CA1122584A publication Critical patent/CA1122584A/en

Status Expired legal-status Critical Current

Links

239000003054 catalyst Substances 0.000 title claims abstract description 55
238000000034 method Methods 0.000 title claims description 20
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 38
229910052751 metal Inorganic materials 0.000 claims abstract description 21
239000002184 metal Substances 0.000 claims abstract description 21
239000002002 slurry Substances 0.000 claims abstract description 19
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 15
239000011230 binding agent Substances 0.000 claims abstract description 13
239000000843 powder Substances 0.000 claims abstract description 13
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 13
238000010304 firing Methods 0.000 claims abstract description 12
239000011148 porous material Substances 0.000 claims abstract description 7
238000001035 drying Methods 0.000 claims abstract description 4
238000010298 pulverizing process Methods 0.000 claims abstract description 3
239000002253 acid Substances 0.000 claims description 8
150000001875 compounds Chemical class 0.000 claims description 8
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
-1 organic acid salts Chemical class 0.000 claims description 4
229910052802 copper Inorganic materials 0.000 claims description 3
229920000049 Carbon (fiber) Polymers 0.000 claims description 2
229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
229910052787 antimony Inorganic materials 0.000 claims description 2
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
239000004327 boric acid Substances 0.000 claims description 2
239000004917 carbon fiber Substances 0.000 claims description 2
229910052804 chromium Inorganic materials 0.000 claims description 2
239000011248 coating agent Substances 0.000 claims description 2
238000000576 coating method Methods 0.000 claims description 2
238000000151 deposition Methods 0.000 claims description 2
239000000839 emulsion Substances 0.000 claims description 2
150000004820 halides Chemical class 0.000 claims description 2
150000004679 hydroxides Chemical class 0.000 claims description 2
229910052742 iron Inorganic materials 0.000 claims description 2
229910052748 manganese Inorganic materials 0.000 claims description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
229910052750 molybdenum Inorganic materials 0.000 claims description 2
229910052759 nickel Inorganic materials 0.000 claims description 2
150000002823 nitrates Chemical class 0.000 claims description 2
239000003960 organic solvent Substances 0.000 claims description 2
150000005324 oxide salts Chemical class 0.000 claims description 2
229910052763 palladium Inorganic materials 0.000 claims description 2
229910052697 platinum Inorganic materials 0.000 claims description 2
229910052703 rhodium Inorganic materials 0.000 claims description 2
239000008279 sol Substances 0.000 claims description 2
150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
229910052718 tin Inorganic materials 0.000 claims description 2
229910052720 vanadium Inorganic materials 0.000 claims description 2
229910052725 zinc Inorganic materials 0.000 claims description 2
239000000463 material Substances 0.000 claims 1
241000264877 Hippospongia communis Species 0.000 description 15
235000010215 titanium dioxide Nutrition 0.000 description 15
239000000306 component Substances 0.000 description 11
239000007789 gas Substances 0.000 description 10
239000000047 product Substances 0.000 description 8
230000000694 effects Effects 0.000 description 5
239000002245 particle Substances 0.000 description 5
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
230000018044 dehydration Effects 0.000 description 4
238000006297 dehydration reaction Methods 0.000 description 4
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
238000009833 condensation Methods 0.000 description 3
230000005494 condensation Effects 0.000 description 3
239000000428 dust Substances 0.000 description 3
239000000203 mixture Substances 0.000 description 3
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
239000000126 substance Substances 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
239000000919 ceramic Substances 0.000 description 2
239000003638 chemical reducing agent Substances 0.000 description 2
229910052681 coesite Inorganic materials 0.000 description 2
239000007859 condensation product Substances 0.000 description 2
239000010949 copper Substances 0.000 description 2
229910052593 corundum Inorganic materials 0.000 description 2
229910052906 cristobalite Inorganic materials 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
238000011049 filling Methods 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
235000012239 silicon dioxide Nutrition 0.000 description 2
238000005245 sintering Methods 0.000 description 2
229910052682 stishovite Inorganic materials 0.000 description 2
229910000349 titanium oxysulfate Inorganic materials 0.000 description 2
229910052905 tridymite Inorganic materials 0.000 description 2
229910001845 yogo sapphire Inorganic materials 0.000 description 2
229910001369 Brass Inorganic materials 0.000 description 1
229910000975 Carbon steel Inorganic materials 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229910021536 Zeolite Inorganic materials 0.000 description 1
150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
238000005452 bending Methods 0.000 description 1
239000010951 brass Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000010962 carbon steel Substances 0.000 description 1
239000000969 carrier Substances 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
229910001385 heavy metal Inorganic materials 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
239000007769 metal material Substances 0.000 description 1
235000006408 oxalic acid Nutrition 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
238000012216 screening Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
239000010457 zeolite Substances 0.000 description 1

Classifications

- 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
- 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
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
- 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
- B01J37/0225—Coating of metal substrates
- 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
- B01J37/024—Multiple impregnation or coating
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals

Landscapes

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

CA334,129A 1978-09-20 1979-08-20 Process for producing plate-shaped denitrating catalysts Expired CA1122584A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP116187/78		1978-09-20
JP11618778A JPS5541881A (en)	1978-09-20	1978-09-20	Manufacture of plate type denitrification catalyst

Publications (1)

Publication Number	Publication Date
CA1122584A true CA1122584A (en)	1982-04-27

Family

ID=14680965

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA334,129A Expired CA1122584A (en)	1978-09-20	1979-08-20	Process for producing plate-shaped denitrating catalysts

Country Status (8)

Country	Link
JP (1)	JPS5541881A (de)
BE (1)	BE877183A (de)
CA (1)	CA1122584A (de)
DE (1)	DE2927253C2 (de)
FR (1)	FR2436628A1 (de)
GB (1)	GB2029720B (de)
IT (1)	IT1118887B (de)
NL (1)	NL179551C (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0053884A1 (de) *	1980-11-27	1982-06-16	Johnson Matthey Public Limited Company	Dreidimensionaler, interstitieller Trägerkatalysator, seine Herstellung und Verwendung
EP0061304A1 (de) *	1981-03-18	1982-09-29	Johnson Matthey Public Limited Company	Dreidimensionaler mit Durchgängen versehener Katalysatorträger, seine Herstellung und Verwendung
EP0179578B1 (de) *	1984-10-22	1990-07-04	Ford Motor Company Limited	Methode zur Verlängerung der Betriebsdauer eines Katalysators
DE3526383C1 (de) *	1985-07-24	1986-12-11	Didier-Werke Ag, 6200 Wiesbaden	Verfahren zur Erzeugung von Katalysatoren fuer die Reduktion von Stickoxiden aus Abgasen und chemische Luftreinigungsverfahren
JPS6323274U (de) *	1986-07-28	1988-02-16
JPH03205A (ja) *	1989-05-26	1991-01-07	Norin Suisansyo Shinrin Sogo Kenkyusho	表面加熱による集成材の製造方法とその装置
DE4141513A1 (de) *	1991-12-16	1993-06-17	Siemens Ag	Katalysatoranordnung fuer weitgehend staubfreie gase
DE4229255A1 (de) *	1992-09-02	1994-03-03	Huels Chemische Werke Ag	Verfahren zur Herstellung von Katalysatoren zur Entfernung von Stickstoffoxiden aus Abgasen
FR2707527B1 (fr) *	1993-07-13	1995-09-15	Inst Francais Du Petrole	Catalyseur comprenant un assemblage d'au moins un fil et son utilisation en combustion ou en post-combustion.
JP3926382B2 (ja) *	1994-09-26	2007-06-06	エミテク・ゲゼルシャフト・フュール・エミシオーンテクノロギー・ミット・ベシュレンクテル・ハフツング	交差配置のミクロ構造を有するハニカム本体
DE19820433A1 (de)	1998-05-07	1999-11-11	Emitec Emissionstechnologie	Tragstruktur mit einem Deformationselement mit schräger Krafteinleitung
DE19820449A1 (de)	1998-05-07	1999-11-11	Emitec Emissionstechnologie	Tragstruktur mit einem Deformationselement mit verkürzter Restblocklänge
DE19820463A1 (de)	1998-05-07	1999-11-11	Emitec Emissionstechnologie	Tragstruktur mit einem Deformationselement mit Radialverformungsbegrenzern

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3437605A (en) *	1965-01-26	1969-04-08	Engelhard Ind Inc	Method of preparing a supported catalyst
FR2182614B1 (de) *	1972-03-17	1978-05-05	Louyot Comptoir Lyon Alemand
US4076792A (en) *	1972-04-12	1978-02-28	Corning Glass Works	Catalyst systems for the reduction of the oxides of nitrogen
CA1001147A (en) *	1972-11-30	1976-12-07	Takashi Ohara	Method for the production of exhaust and waste gases purifying catalysts
US4157315A (en) *	1973-12-21	1979-06-05	The International Nickel Company, Inc.	Method of preparing a supported catalyst and the catalyst prepared by the method
JPS5277890A (en) *	1975-12-23	1977-06-30	Sakai Chemical Industry Co	Method of manufacturing carriers
JPS5932180B2 (ja) *	1976-11-27	1984-08-07	三井化学株式会社	窒素酸化物の還元用触媒
JPS52129692A (en) *	1976-04-24	1977-10-31	Nippon Sheet Glass Co Ltd	Honeycomb catalyst structures
JPS5395892A (en) *	1977-02-03	1978-08-22	Mizusawa Industrial Chem	Titanium oxide catalyst carrier mold product and manufacture thereof

1978
- 1978-09-20 JP JP11618778A patent/JPS5541881A/ja active Granted
1979
- 1979-06-07 GB GB7919782A patent/GB2029720B/en not_active Expired
- 1979-06-08 NL NLAANVRAGE7904502,A patent/NL179551C/xx not_active IP Right Cessation
- 1979-06-22 BE BE2/57901A patent/BE877183A/xx not_active IP Right Cessation
- 1979-06-28 FR FR7916745A patent/FR2436628A1/fr active Granted
- 1979-07-04 IT IT49657/79A patent/IT1118887B/it active
- 1979-07-05 DE DE2927253A patent/DE2927253C2/de not_active Expired
- 1979-08-20 CA CA334,129A patent/CA1122584A/en not_active Expired

Also Published As

Publication number	Publication date
IT7949657A0 (it)	1979-07-04
NL179551C (nl)	1986-10-01
DE2927253C2 (de)	1983-12-08
IT1118887B (it)	1986-03-03
NL7904502A (nl)	1980-03-24
FR2436628B1 (de)	1983-06-17
DE2927253A1 (de)	1980-03-27
JPS615772B2 (de)	1986-02-21
JPS5541881A (en)	1980-03-24
NL179551B (nl)	1986-05-01
GB2029720A (en)	1980-03-26
BE877183A (fr)	1979-10-15
FR2436628A1 (fr)	1980-04-18
GB2029720B (en)	1982-12-15

Legal Events

Date	Code	Title	Description
1999-04-27	MKEX	Expiry

Publication	Publication Date	Title
US4233183A (en)	1980-11-11	Process for producing plate-shaped denitrating catalyst
CA1133456A (en)	1982-10-12	Plate-shaped denitrating catalysts
CA1122584A (en)	1982-04-27	Process for producing plate-shaped denitrating catalysts
US4798813A (en)	1989-01-17	Catalyst for removing nitrogen oxide and process for producing the catalyst
US4749671A (en)	1988-06-07	Exhaust gas cleaning catalyst and process for production thereof
RU2358801C2 (ru)	2009-06-20	Носитель катализатора, катализатор и способ обработки дымового газа
JP2930990B2 (ja)	1999-08-09	担体上の分子篩い―パラジウム―白金触媒
US20180250665A1 (en)	2018-09-06	Method for preparing a catalyst-containing ceramic filter for off-gas or exhaust gas cleaning
KR20160087808A (ko)	2016-07-22	탈질촉매 및 그 제조방법
CA1197197A (en)	1985-11-26	Composition and method for exhaust gas treatment
US4966882A (en)	1990-10-30	Catalyst for denitration by catalytic reduction using ammonia and a process for producing the same
US5087600A (en)	1992-02-11	Process for producing a catalyst for denitration by catalytic reduction using ammonia
EP1112772A1 (de)	2001-07-04	Verfahren zur Beseitigung von Abgasen
JP4346706B2 (ja)	2009-10-21	触媒用担体、その製造方法、脱硝触媒及び脱硝方法
KR20190059276A (ko)	2019-05-30	촉매담지 구조체 및 그 제조방법
JP3783875B2 (ja)	2006-06-07	粘土鉱物を用いた窒素酸化物除去用触媒と排ガス処理方法
JP3604740B2 (ja)	2004-12-22	オゾン分解用触媒及びオゾン分解方法
JP2583912B2 (ja)	1997-02-19	窒素酸化物除去用触媒
CN113453781B (zh)	2024-03-19	用于处理来自固定排放源的含颗粒废气的催化过滤***
KR820000538B1 (ko)	1982-04-13	판상 탈초촉매의 제조법
JP3496964B2 (ja)	2004-02-16	排ガス中の窒素酸化物のアンモニア還元用触媒およびその製造方法
JPH0620559B2 (ja)	1994-03-23	触媒燃焼反応用触媒体とその製造方法
KR810000536B1 (ko)	1981-05-27	판상 탈초 촉매(板牀脫硝觸媒)
JP3219613B2 (ja)	2001-10-15	アンモニア分解触媒及びアンモニアの分解除去方法
JPH08332388A (ja)	1996-12-17	アンモニア分解剤