CA2044067C - A catalyst for the oxidation of sulfur dioxide - Google Patents
A catalyst for the oxidation of sulfur dioxide Download PDFInfo
- Publication number
- CA2044067C CA2044067C CA002044067A CA2044067A CA2044067C CA 2044067 C CA2044067 C CA 2044067C CA 002044067 A CA002044067 A CA 002044067A CA 2044067 A CA2044067 A CA 2044067A CA 2044067 C CA2044067 C CA 2044067C
- Authority
- CA
- Canada
- Prior art keywords
- catalyst
- mixtures
- oxidation
- alkali metal
- oxide
- Prior art date
- 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 - Fee Related
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 75
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 17
- 230000003647 oxidation Effects 0.000 title claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 23
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002912 waste gas Substances 0.000 claims abstract description 18
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 239000013543 active substance Substances 0.000 claims abstract description 8
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims abstract description 6
- 229910052936 alkali metal sulfate Inorganic materials 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 239000011949 solid catalyst Substances 0.000 claims abstract description 6
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000012876 carrier material Substances 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 229910001935 vanadium oxide Inorganic materials 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 32
- 235000010269 sulphur dioxide Nutrition 0.000 claims description 18
- 230000003197 catalytic effect Effects 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000003570 air Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000011149 active material Substances 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims 1
- 239000004291 sulphur dioxide Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract 1
- 230000023556 desulfurization Effects 0.000 abstract 1
- 239000004408 titanium dioxide Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 17
- 239000000428 dust Substances 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 11
- 238000004898 kneading Methods 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000003546 flue gas Substances 0.000 description 9
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 9
- 229910000510 noble metal Inorganic materials 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 229940105329 carboxymethylcellulose Drugs 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- FLJPGEWQYJVDPF-UHFFFAOYSA-L caesium sulfate Chemical compound [Cs+].[Cs+].[O-]S([O-])(=O)=O FLJPGEWQYJVDPF-UHFFFAOYSA-L 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 235000010980 cellulose Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical compound [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 description 2
- 239000006259 organic additive Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000001698 pyrogenic effect Effects 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- 241000517645 Abra Species 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 241000212342 Sium Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000032823 cell division Effects 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/78—Preparation by contact processes characterised by the catalyst used
- C01B17/79—Preparation by contact processes characterised by the catalyst used containing 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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- 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
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4018324A DE4018324C1 (enrdf_load_stackoverflow) | 1990-06-08 | 1990-06-08 | |
| DEP4018324.6 | 1990-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2044067A1 CA2044067A1 (en) | 1991-12-09 |
| CA2044067C true CA2044067C (en) | 2000-11-28 |
Family
ID=6408003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002044067A Expired - Fee Related CA2044067C (en) | 1990-06-08 | 1991-06-07 | A catalyst for the oxidation of sulfur dioxide |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0460388B1 (enrdf_load_stackoverflow) |
| JP (1) | JPH04227056A (enrdf_load_stackoverflow) |
| KR (1) | KR100199525B1 (enrdf_load_stackoverflow) |
| CN (1) | CN1031926C (enrdf_load_stackoverflow) |
| CA (1) | CA2044067C (enrdf_load_stackoverflow) |
| DE (2) | DE4018324C1 (enrdf_load_stackoverflow) |
| RU (1) | RU2047350C1 (enrdf_load_stackoverflow) |
| ZA (1) | ZA912800B (enrdf_load_stackoverflow) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997004867A1 (fr) * | 1995-07-31 | 1997-02-13 | Jury Grigorievich Egiazarov | Catalyseur permettant d'obtenir du soufre selon le procede de claus et procede de fabrication de ce catalyseur. |
| RU2225247C1 (ru) * | 2002-07-22 | 2004-03-10 | Кочетков Алексей Юрьевич | Способ окисления сернистых соединений в газовых выбросах (варианты) |
| DE602004025657D1 (de) * | 2003-10-15 | 2010-04-08 | Haldor Topsoe As | Katalysator-Träger, daraus hergestellter Katalysator und Prozess für die Reinigung von Abgasen |
| RU2280505C1 (ru) * | 2005-03-09 | 2006-07-27 | Открытое акционерное общество "Катализатор" | Катализатор для удаления соединений серы из промышленных газов и способ его получения |
| AU2006292055A1 (en) * | 2005-09-23 | 2007-03-29 | Mecs, Inc. | Ruthenium oxide catalysts for conversion of sulfur dioxide to sulfur trioxide |
| US7381676B1 (en) | 2007-01-16 | 2008-06-03 | Exxonmobil Chemical Patents Inc. | Catalyst composition and its use thereof in aromatics alkylation |
| JPWO2009118871A1 (ja) | 2008-03-27 | 2011-07-21 | イビデン株式会社 | ハニカム構造体 |
| JP5249790B2 (ja) | 2008-03-27 | 2013-07-31 | イビデン株式会社 | ハニカム構造体 |
| CN102530888B (zh) * | 2012-01-31 | 2013-11-27 | 刘立文 | 一种二氧化硫制备硫酸的方法 |
| CN102716756A (zh) * | 2012-06-16 | 2012-10-10 | 江苏龙源催化剂有限公司 | 蜂窝式二氧化硫催化剂的制备方法及其应用 |
| JP2014062015A (ja) * | 2012-09-21 | 2014-04-10 | Sumitomo Metal Mining Co Ltd | 固形触媒の篩別方法 |
| DE102014005153B4 (de) * | 2014-04-08 | 2023-12-14 | Andreas Döring | Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung |
| WO2019170406A1 (en) * | 2018-03-07 | 2019-09-12 | Basf Se | Shaped catalyst body in the form of tetralobes of uniform wall thickness |
| KR102710909B1 (ko) * | 2019-11-29 | 2024-09-30 | 한국전력공사 | 이산화황을 삼산화황으로 산화시키기 위한 바나듐-칼륨-티타니아 촉매 및 이의 제조방법 |
| CN113800479A (zh) * | 2021-10-29 | 2021-12-17 | 山东京博众诚清洁能源有限公司 | 一种循环吸收法制备电子级硫酸的工艺 |
| CN114433069A (zh) * | 2022-01-26 | 2022-05-06 | 浙江科卓环保科技有限公司 | 一种高灰烟气蜂窝脱硝催化剂的生产工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1086218B (de) * | 1956-08-13 | 1960-08-04 | Ici Ltd | Verfahren zur Herstellung von Katalysatoren fuer die Oxydation von Schwefeldioxyd zuSchwefeltrioxyd |
| US3969274A (en) * | 1974-03-14 | 1976-07-13 | National Distillers And Chemical Corporation | Fixed bed catalyst |
| IT1197899B (it) * | 1986-10-20 | 1988-12-21 | Alusuisse Italia Spa | Catalizzatore di ossidazione e procedimento per la sua preparazione |
| JP2580239B2 (ja) * | 1988-04-01 | 1997-02-12 | 三菱重工業株式会社 | ガス平行流型亜硫酸ガス酸化触媒の製造方法 |
| ATE114494T1 (de) * | 1988-04-08 | 1994-12-15 | Mitsubishi Heavy Ind Ltd | Katalysatorfilter, verfahren zur herstellung eines katalysatorfilters und verfahren zur behandlung von verbrennungsgasen mit einem katalysatorfilter. |
| SE464688B (sv) * | 1989-02-27 | 1991-06-03 | Eka Nobel Ab | Katalysator foer reducering av kvaeveoxider samt anvaendning daerav |
-
1990
- 1990-06-08 DE DE4018324A patent/DE4018324C1/de not_active Expired - Lifetime
-
1991
- 1991-04-15 ZA ZA912800A patent/ZA912800B/xx unknown
- 1991-04-22 DE DE59102409T patent/DE59102409D1/de not_active Expired - Fee Related
- 1991-04-22 EP EP91106428A patent/EP0460388B1/de not_active Expired - Lifetime
- 1991-05-08 CN CN91103089A patent/CN1031926C/zh not_active Expired - Fee Related
- 1991-06-05 RU SU914895448A patent/RU2047350C1/ru active
- 1991-06-07 CA CA002044067A patent/CA2044067C/en not_active Expired - Fee Related
- 1991-06-07 KR KR1019910009368A patent/KR100199525B1/ko not_active Expired - Fee Related
- 1991-06-07 JP JP3136048A patent/JPH04227056A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04227056A (ja) | 1992-08-17 |
| CA2044067A1 (en) | 1991-12-09 |
| EP0460388A1 (de) | 1991-12-11 |
| KR920000375A (ko) | 1992-01-29 |
| CN1031926C (zh) | 1996-06-05 |
| DE59102409D1 (de) | 1994-09-08 |
| CN1057212A (zh) | 1991-12-25 |
| ZA912800B (en) | 1992-01-29 |
| EP0460388B1 (de) | 1994-08-03 |
| KR100199525B1 (ko) | 1999-06-15 |
| RU2047350C1 (ru) | 1995-11-10 |
| DE4018324C1 (enrdf_load_stackoverflow) | 1992-02-06 |
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