JPS553872A - Preparing denitrification catalyst - Google Patents
Preparing denitrification catalystInfo
- Publication number
- JPS553872A JPS553872A JP7781878A JP7781878A JPS553872A JP S553872 A JPS553872 A JP S553872A JP 7781878 A JP7781878 A JP 7781878A JP 7781878 A JP7781878 A JP 7781878A JP S553872 A JPS553872 A JP S553872A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- tio
- render
- nox
- reduce
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title abstract 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000002574 poison Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 239000004071 soot Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052815 sulfur oxide Inorganic materials 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
PURPOSE: To render nitrogen oxides (NOX) contained in the exhaust gas harmless by effective and economical reduction by means of catalyst adapted to reduce thereof in contact with ammonia as reducing agent.
CONSTITUTION: In production of a catalyst [TiO2]a[WO3]b[V2O5]c(b/c=2W5, (b+c)/a=0.03W0.12) which is supported by a tiO2 less in V2O5 and more in WO3, the TiO and 0.05W0.3% by weight of V2O5 (or a substance convertible to V2O5 following baking) are mixed and formed. The mixture is immersed into a alkaline solution containing tungsten and baked. Acordingly, the catalyst thus produced works effectively little affected by sulfur oxides and soot acting as catalytic poison. It is possible to reduce the amount of tungsten used without deterioration of catalytic performance to control the oxidation from SO2 to SO3 thereby simplifying the production process and lowering the price. The catalyst thus obtained can render NOX harmless by an effective reduction.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7781878A JPS553872A (en) | 1978-06-27 | 1978-06-27 | Preparing denitrification catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7781878A JPS553872A (en) | 1978-06-27 | 1978-06-27 | Preparing denitrification catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS553872A true JPS553872A (en) | 1980-01-11 |
Family
ID=13644602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7781878A Pending JPS553872A (en) | 1978-06-27 | 1978-06-27 | Preparing denitrification catalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS553872A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4615991A (en) * | 1984-04-03 | 1986-10-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Method for recovering denitrating catalyst |
| JPS6470144A (en) * | 1987-06-05 | 1989-03-15 | Babcock Hitachi Kk | Denitration catalyst utilizing catalytic-reduction of ammonia and its production |
| US4952545A (en) * | 1986-07-29 | 1990-08-28 | Mitsubishi Petrochemical Co., Ltd. | Process for removing nitrogen oxides from exhaust gases |
| EP0864353A1 (en) * | 1997-03-10 | 1998-09-16 | Ford Global Technologies, Inc. | Sulfur-resistant nox traps containing tungstophosphoric acid and precious metal |
| EP0864354A1 (en) * | 1997-03-10 | 1998-09-16 | Ford Global Technologies, Inc. | Sulphur resistant lean-NOx catalyst for treating diesel emissions |
| WO2006044768A1 (en) * | 2004-10-19 | 2006-04-27 | Millennium Inorganic Chemicals, Inc. | High activity titania supported metal oxide denox catalysts |
| JP2017060945A (en) * | 2011-08-03 | 2017-03-30 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ | Extrusion molded honeycomb catalyst |
| US10252252B2 (en) | 2012-08-17 | 2019-04-09 | Johnson Matthey Public Limited Company | Zeolite promoted V/TiW catalysts |
| CN109731593A (en) * | 2019-02-01 | 2019-05-10 | 山东大学 | SCR catalyst powder and its preparation method and application |
| CN113058658A (en) * | 2021-03-15 | 2021-07-02 | 福州大学 | Super-hydrophobic molybdenum-loaded catalyst and preparation method and application thereof |
-
1978
- 1978-06-27 JP JP7781878A patent/JPS553872A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4615991A (en) * | 1984-04-03 | 1986-10-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Method for recovering denitrating catalyst |
| US4952545A (en) * | 1986-07-29 | 1990-08-28 | Mitsubishi Petrochemical Co., Ltd. | Process for removing nitrogen oxides from exhaust gases |
| JPS6470144A (en) * | 1987-06-05 | 1989-03-15 | Babcock Hitachi Kk | Denitration catalyst utilizing catalytic-reduction of ammonia and its production |
| JP2991431B2 (en) * | 1987-06-05 | 1999-12-20 | バブコツク日立株式会社 | Catalyst for catalytic reduction and denitration of ammonia and its production method |
| EP0864353A1 (en) * | 1997-03-10 | 1998-09-16 | Ford Global Technologies, Inc. | Sulfur-resistant nox traps containing tungstophosphoric acid and precious metal |
| EP0864354A1 (en) * | 1997-03-10 | 1998-09-16 | Ford Global Technologies, Inc. | Sulphur resistant lean-NOx catalyst for treating diesel emissions |
| WO2006044768A1 (en) * | 2004-10-19 | 2006-04-27 | Millennium Inorganic Chemicals, Inc. | High activity titania supported metal oxide denox catalysts |
| US7491676B2 (en) | 2004-10-19 | 2009-02-17 | Millennium Inorganic Chemicals | High activity titania supported metal oxide DeNOx catalysts |
| US7628968B2 (en) | 2004-10-19 | 2009-12-08 | Millenium Inorganic Chemicals, Inc. | High activity titania supported metal oxide DeNOx catalysts |
| JP2017060945A (en) * | 2011-08-03 | 2017-03-30 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ | Extrusion molded honeycomb catalyst |
| US10443472B2 (en) | 2011-08-03 | 2019-10-15 | Johnson Matthey Public Limited Company | Extruded honeycomb catalyst |
| US10252252B2 (en) | 2012-08-17 | 2019-04-09 | Johnson Matthey Public Limited Company | Zeolite promoted V/TiW catalysts |
| CN109731593A (en) * | 2019-02-01 | 2019-05-10 | 山东大学 | SCR catalyst powder and its preparation method and application |
| CN113058658A (en) * | 2021-03-15 | 2021-07-02 | 福州大学 | Super-hydrophobic molybdenum-loaded catalyst and preparation method and application thereof |
| CN113058658B (en) * | 2021-03-15 | 2022-02-22 | 福州大学 | Super-hydrophobic molybdenum-loaded catalyst and preparation method and application thereof |
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