CA1046489A - Catalyseurs, appareils et traitement utilisateur connexe - Google Patents

Catalyseurs, appareils et traitement utilisateur connexe

Info

Publication number: CA1046489A
Authority: CA; Canada
Prior art keywords: catalyst; amount; atom percent; group; ruthenium
Prior art date: 1973-05-29
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

CA196,006A

Other languages

English (en)

Inventor

Joseph P. Remeika

Rudolf J.H. Voorhoeve

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

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.)

1973-05-29

Filing date

1974-03-26

Publication date

1979-01-16

1974-03-26 Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc

1978-04-17 Priority to CA301,257A priority Critical patent/CA1050000A/fr

1979-01-16 Application granted granted Critical

1979-01-16 Publication of CA1046489A publication Critical patent/CA1046489A/fr

Status Expired legal-status Critical Current

Links

239000003054 catalyst Substances 0.000 title claims abstract description 81
238000000034 method Methods 0.000 title claims description 14
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 49
229910052707 ruthenium Inorganic materials 0.000 claims abstract description 26
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 24
229910052759 nickel Inorganic materials 0.000 claims abstract description 24
MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical class O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 23
238000006243 chemical reaction Methods 0.000 claims abstract description 23
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 15
230000003197 catalytic effect Effects 0.000 claims abstract description 15
229910052748 manganese Inorganic materials 0.000 claims abstract description 15
239000011572 manganese Substances 0.000 claims abstract description 15
229910052788 barium Inorganic materials 0.000 claims abstract description 8
229910052791 calcium Inorganic materials 0.000 claims abstract description 8
239000011575 calcium Substances 0.000 claims abstract description 8
229910052746 lanthanum Inorganic materials 0.000 claims abstract description 8
229910052712 strontium Inorganic materials 0.000 claims abstract description 8
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 7
229910052779 Neodymium Inorganic materials 0.000 claims abstract description 7
229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 7
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 7
FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical group [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 7
CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 7
QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims abstract description 5
PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims abstract description 5
239000000203 mixture Substances 0.000 claims description 28
239000007789 gas Substances 0.000 claims description 18
239000000463 material Substances 0.000 claims description 16
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
150000001768 cations Chemical class 0.000 claims description 11
239000004480 active ingredient Substances 0.000 claims description 9
238000002485 combustion reaction Methods 0.000 claims description 8
229910052761 rare earth metal Inorganic materials 0.000 claims description 8
229910052757 nitrogen Inorganic materials 0.000 claims description 7
150000002910 rare earth metals Chemical class 0.000 claims description 7
230000006872 improvement Effects 0.000 claims description 6
239000000758 substrate Substances 0.000 claims description 5
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
239000011248 coating agent Substances 0.000 claims description 4
238000000576 coating method Methods 0.000 claims description 4
238000009792 diffusion process Methods 0.000 claims description 4
229930195733 hydrocarbon Natural products 0.000 claims description 3
150000002430 hydrocarbons Chemical class 0.000 claims description 3
230000001473 noxious effect Effects 0.000 claims description 3
238000010521 absorption reaction Methods 0.000 claims description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
AANMVENRNJYEMK-UHFFFAOYSA-N 4-propan-2-ylcyclohex-2-en-1-one Chemical compound CC(C)C1CCC(=O)C=C1 AANMVENRNJYEMK-UHFFFAOYSA-N 0.000 claims 1
229910052729 chemical element Inorganic materials 0.000 claims 1
229910052593 corundum Inorganic materials 0.000 claims 1
229910052745 lead Inorganic materials 0.000 claims 1
239000002341 toxic gas Substances 0.000 claims 1
229910001845 yogo sapphire Inorganic materials 0.000 claims 1
231100000331 toxic Toxicity 0.000 abstract description 8
230000002588 toxic effect Effects 0.000 abstract description 8
230000000694 effects Effects 0.000 description 17
GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 16
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
238000006467 substitution reaction Methods 0.000 description 11
150000001875 compounds Chemical class 0.000 description 10
238000002474 experimental method Methods 0.000 description 9
238000004519 manufacturing process Methods 0.000 description 8
239000000470 constituent Substances 0.000 description 6
150000002500 ions Chemical class 0.000 description 6
238000012986 modification Methods 0.000 description 6
230000004048 modification Effects 0.000 description 6
230000001737 promoting effect Effects 0.000 description 6
230000008901 benefit Effects 0.000 description 5
229910000069 nitrogen hydride Inorganic materials 0.000 description 5
238000007254 oxidation reaction Methods 0.000 description 5
238000002360 preparation method Methods 0.000 description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
229910017052 cobalt Inorganic materials 0.000 description 4
239000010941 cobalt Substances 0.000 description 4
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
239000013078 crystal Substances 0.000 description 4
239000012530 fluid Substances 0.000 description 4
230000003647 oxidation Effects 0.000 description 4
239000007787 solid Substances 0.000 description 4
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
239000002253 acid Substances 0.000 description 3
230000004913 activation Effects 0.000 description 3
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
238000006555 catalytic reaction Methods 0.000 description 3
239000000919 ceramic Substances 0.000 description 3
229910052804 chromium Chemical group 0.000 description 3
239000011651 chromium Chemical group 0.000 description 3
239000003344 environmental pollutant Substances 0.000 description 3
238000005530 etching Methods 0.000 description 3
238000009472 formulation Methods 0.000 description 3
238000004108 freeze drying Methods 0.000 description 3
239000004615 ingredient Substances 0.000 description 3
239000001301 oxygen Substances 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
231100000719 pollutant Toxicity 0.000 description 3
230000009467 reduction Effects 0.000 description 3
238000006722 reduction reaction Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
238000000975 co-precipitation Methods 0.000 description 2
229910052802 copper Inorganic materials 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000007423 decrease Effects 0.000 description 2
230000003467 diminishing effect Effects 0.000 description 2
230000004907 flux Effects 0.000 description 2
239000000446 fuel Substances 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000003607 modifier Substances 0.000 description 2
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
231100000252 nontoxic Toxicity 0.000 description 2
230000003000 nontoxic effect Effects 0.000 description 2
230000001590 oxidative effect Effects 0.000 description 2
238000004064 recycling Methods 0.000 description 2
238000005245 sintering Methods 0.000 description 2
238000012360 testing method Methods 0.000 description 2
239000003440 toxic substance Substances 0.000 description 2
230000007704 transition Effects 0.000 description 2
238000012935 Averaging Methods 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
102100026933 Myelin-associated neurite-outgrowth inhibitor Human genes 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
CTYDUNKUFYRMFS-UHFFFAOYSA-N [La+3].[Pb+2].[O-][Mn]([O-])=O Chemical compound [La+3].[Pb+2].[O-][Mn]([O-])=O CTYDUNKUFYRMFS-UHFFFAOYSA-N 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
238000000498 ball milling Methods 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910052810 boron oxide Inorganic materials 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
229910001431 copper ion Inorganic materials 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
229910001873 dinitrogen Inorganic materials 0.000 description 1
239000008246 gaseous mixture Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
229940060367 inert ingredients Drugs 0.000 description 1
229910052743 krypton Inorganic materials 0.000 description 1
DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
150000002611 lead compounds Chemical class 0.000 description 1
229910000464 lead oxide Inorganic materials 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
-1 molybdium Chemical compound 0.000 description 1
229910052758 niobium Inorganic materials 0.000 description 1
239000010955 niobium Substances 0.000 description 1
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000012704 polymeric precursor Substances 0.000 description 1
230000009290 primary effect Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000005086 pumping Methods 0.000 description 1
230000003134 recirculating effect Effects 0.000 description 1
229910052703 rhodium Inorganic materials 0.000 description 1
239000010948 rhodium Substances 0.000 description 1
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
238000004088 simulation Methods 0.000 description 1
238000001694 spray drying Methods 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
239000010936 titanium Substances 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
231100000167 toxic agent Toxicity 0.000 description 1
238000012546 transfer Methods 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1

Classifications

- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] 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
- 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
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
- 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
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8986—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies

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)

CA196,006A 1973-05-29 1974-03-26 Catalyseurs, appareils et traitement utilisateur connexe Expired CA1046489A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA301,257A CA1050000A (fr)	1973-05-29	1978-04-17	Catalyseurs, dispositifs et methodes de traitement qui y font appel

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US36426073A	1973-05-29	1973-05-29

Publications (1)

Publication Number	Publication Date
CA1046489A true CA1046489A (fr)	1979-01-16

Family

ID=23433725

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA196,006A Expired CA1046489A (fr)	1973-05-29	1974-03-26	Catalyseurs, appareils et traitement utilisateur connexe

Country Status (2)

Country	Link
BE (1)	BE815547A (fr)
CA (1)	CA1046489A (fr)

1974
- 1974-03-26 CA CA196,006A patent/CA1046489A/fr not_active Expired
- 1974-05-27 BE BE144756A patent/BE815547A/fr unknown

Also Published As

Publication number	Publication date
BE815547A (fr)	1974-09-16

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US3945948A (en)	1976-03-23	Catalyst and the process for preparing it
CA1050000A (fr)	1979-03-06	Catalyseurs, dispositifs et methodes de traitement qui y font appel
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JP3152681B2 (ja)	2001-04-03	リン酸系組成物およびそれを用いたＮＯｘ還元分解用触媒
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