CN112473654A - Flue gas denitration catalyst - Google Patents
Flue gas denitration catalyst Download PDFInfo
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- CN112473654A CN112473654A CN202011283663.0A CN202011283663A CN112473654A CN 112473654 A CN112473654 A CN 112473654A CN 202011283663 A CN202011283663 A CN 202011283663A CN 112473654 A CN112473654 A CN 112473654A
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- China
- Prior art keywords
- parts
- flue gas
- particle size
- gas denitration
- denitration catalyst
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- 239000003054 catalyst Substances 0.000 title claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000003546 flue gas Substances 0.000 title claims abstract description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims abstract description 22
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 22
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims abstract description 22
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims abstract description 22
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 6
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 229920005610 lignin Polymers 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- 239000008117 stearic acid Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 32
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000004083 survival effect Effects 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
- 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
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (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)
Abstract
The invention relates to a flue gas denitration catalyst, which consists of the following components in parts by weight: titanium dioxide, tungsten trioxide, vanadium pentoxide, stearic acid, lignin fiber, glass fiber, activated carbon fiber, inorganic silica gel, talcum powder, molybdenum trioxide, aramid fiber and manganese dioxide. The catalyst prepared by the invention has high compressive strength, is not easy to pulverize, prolongs the service life of the catalyst, and has convenient molding and demolding in the catalyst preparation process and high catalytic efficiency.
Description
Technical Field
The invention relates to the field of flue gas treatment, in particular to a flue gas denitration catalyst.
Background
Nitrogen Oxides (NO)x) Is one of the main atmospheric pollutants, including NO and NO2、N2O、N2O3、N2O5The oxides of various nitrogen are directly discharged into the atmosphere, so that certain damage can be caused to the health of human bodies and the survival of animals and plants, such as acid rain, photochemical smog and the like, and at present, the problem that how to remove the emission of the nitrogen oxides becomes more and more urgent is that the nitrogen oxides in China are mainly burned from coal at presentThe catalyst for removing nitrogen oxides in the prior art can remove nitrogen oxides to a certain extent, but still has the problems of low strength, easy pulverization, short service life, difficult molding and demolding in the manufacturing process, low catalytic efficiency and the like.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a flue gas denitration catalyst.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flue gas denitration catalyst comprises the following components in parts by weight:
78-84 parts of titanium dioxide;
10-13 parts of tungsten trioxide;
2.2-2.8 parts of vanadium pentoxide;
2-2.6 parts of stearic acid;
4-6 parts of lignin fiber;
3-6 parts of glass fiber;
4-6 parts of activated carbon fiber;
4-5 parts of inorganic silica gel;
2-4 parts of talcum powder;
10-30 parts of molybdenum trioxide;
3-5 parts of aramid fiber;
3-5 parts of manganese dioxide.
In particular, the titanium dioxide particles have a particle size in the range of 20 to 50 nm.
In particular, the tungsten trioxide particles are 40-80nm in size.
In particular, the vanadium pentoxide has a particle size of 60-100 nm.
Particularly, the particle size of the talcum powder is 400-600 meshes.
Particularly, the particle size of the manganese dioxide is 120-140 meshes.
In particular, the particle size of the molybdenum trioxide is 90-120 meshes.
The invention has the beneficial effects that: the catalyst prepared from the components of the invention has high compressive strength, is not easy to pulverize, prolongs the service life of the catalyst, and has convenient molding and demolding in the catalyst preparation process and high catalytic efficiency.
Detailed Description
The invention is further illustrated by the following examples:
example 1
A flue gas denitration catalyst comprises the following components in parts by weight:
78 parts of titanium dioxide;
10 parts of tungsten trioxide;
2.2 parts of vanadium pentoxide;
2 parts of stearic acid;
4 parts of lignin fiber;
3 parts of glass fiber;
4 parts of activated carbon fiber;
4 parts of inorganic silica gel;
2 parts of talcum powder;
10 parts of molybdenum trioxide;
3 parts of aramid fiber;
3 parts of manganese dioxide.
In particular, the titanium dioxide particles have a size in the range of 20 nm.
In particular, the tungsten trioxide particle size is 40 nm.
In particular, the vanadium pentoxide has a particle size of 60 nm.
In particular, the particle size of the talcum powder is 400 meshes.
In particular, the manganese dioxide particle size is 120 mesh.
In particular, the particle size of the molybdenum trioxide is 90 meshes.
Example 2
A flue gas denitration catalyst comprises the following components in parts by weight:
84 parts of titanium dioxide;
13 parts of tungsten trioxide;
2.8 parts of vanadium pentoxide;
2.6 parts of stearic acid;
6 parts of lignin fiber;
6 parts of glass fiber;
6 parts of activated carbon fiber;
5 parts of inorganic silica gel;
4 parts of talcum powder;
30 parts of molybdenum trioxide;
5 parts of aramid fiber;
5 parts of manganese dioxide.
In particular, the titanium dioxide particles have a size in the range of 50 nm.
In particular, the tungsten trioxide particle size is 80 nm.
In particular, the vanadium pentoxide has a particle size of 100 nm.
In particular, the particle size of the talcum powder is 600 meshes.
In particular, the manganese dioxide particle size is 140 mesh.
In particular, the particle size of the molybdenum trioxide is 120 meshes.
Example 3
A flue gas denitration catalyst comprises the following components in parts by weight:
81 parts of titanium dioxide;
12 parts of tungsten trioxide;
2.5 parts of vanadium pentoxide;
2.3 parts of stearic acid;
5 parts of lignin fiber;
4.5 parts of glass fiber;
5 parts of activated carbon fiber;
4.5 parts of inorganic silica gel;
3 parts of talcum powder;
20 parts of molybdenum trioxide;
4 parts of aramid fiber;
and 4 parts of manganese dioxide.
In particular, the titanium dioxide particles have a size in the range of 35 nm.
In particular, the tungsten trioxide particle size is 60 nm.
In particular, the vanadium pentoxide has a particle size of 80 nm.
In particular, the particle size of the talcum powder is 500 meshes.
In particular, the manganese dioxide particle size is 130 mesh.
In particular, the particle size of the molybdenum trioxide is 105 meshes.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various modifications, which may be made by the methods and technical solutions of the invention, or may be applied to other applications without modification.
Claims (7)
1. The flue gas denitration catalyst is characterized by comprising the following components in parts by weight:
78-84 parts of titanium dioxide;
10-13 parts of tungsten trioxide;
2.2-2.8 parts of vanadium pentoxide;
2-2.6 parts of stearic acid;
4-6 parts of lignin fiber;
3-6 parts of glass fiber;
4-6 parts of activated carbon fiber;
4-5 parts of inorganic silica gel;
2-4 parts of talcum powder;
10-30 parts of molybdenum trioxide;
3-5 parts of aramid fiber;
3-5 parts of manganese dioxide.
2. The flue gas denitration catalyst of claim 1, wherein the particle size of the titanium dioxide particles is in the range of 20-50 nm.
3. The flue gas denitration catalyst of claim 1, wherein the particle size of tungsten trioxide is 40-80 nm.
4. The flue gas denitration catalyst of claim 1, wherein the vanadium pentoxide particle size is 60-100 nm.
5. The flue gas denitration catalyst as set forth in claim 1, wherein the particle size of the talc powder is 400-600 mesh.
6. The flue gas denitration catalyst as set forth in claim 1, wherein the manganese dioxide particle size is 120-140 mesh.
7. The flue gas denitration catalyst of claim 1, wherein the particle size of the molybdenum trioxide is 90-120 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283663.0A CN112473654A (en) | 2020-11-17 | 2020-11-17 | Flue gas denitration catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283663.0A CN112473654A (en) | 2020-11-17 | 2020-11-17 | Flue gas denitration catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112473654A true CN112473654A (en) | 2021-03-12 |
Family
ID=74930728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011283663.0A Withdrawn CN112473654A (en) | 2020-11-17 | 2020-11-17 | Flue gas denitration catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112473654A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000000464A (en) * | 1998-06-12 | 2000-01-07 | Mitsubishi Heavy Ind Ltd | Support for catalyst, its production and denitration catalyst and denitration method |
| CN101422728A (en) * | 2008-12-18 | 2009-05-06 | 哈尔滨工业大学 | Catalyst for denitration of power plant soot fume SCR and preparation method thereof |
| CN103638980A (en) * | 2013-11-21 | 2014-03-19 | 张亚丽 | Denitrification catalyst |
| CN104226372A (en) * | 2014-10-08 | 2014-12-24 | 镇江市亚东高压电器厂 | Flat-plate-type denitration catalyst and preparation method thereof |
| CN104624183A (en) * | 2015-01-24 | 2015-05-20 | 宁波高新区夏远科技有限公司 | Preparation method of high-mechanical-strength SCR denitration catalyst |
| CN107262155A (en) * | 2017-07-14 | 2017-10-20 | 太仓市老船长船舶服务有限公司 | A kind of denitrating catalyst |
-
2020
- 2020-11-17 CN CN202011283663.0A patent/CN112473654A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000000464A (en) * | 1998-06-12 | 2000-01-07 | Mitsubishi Heavy Ind Ltd | Support for catalyst, its production and denitration catalyst and denitration method |
| CN101422728A (en) * | 2008-12-18 | 2009-05-06 | 哈尔滨工业大学 | Catalyst for denitration of power plant soot fume SCR and preparation method thereof |
| CN103638980A (en) * | 2013-11-21 | 2014-03-19 | 张亚丽 | Denitrification catalyst |
| CN104226372A (en) * | 2014-10-08 | 2014-12-24 | 镇江市亚东高压电器厂 | Flat-plate-type denitration catalyst and preparation method thereof |
| CN104624183A (en) * | 2015-01-24 | 2015-05-20 | 宁波高新区夏远科技有限公司 | Preparation method of high-mechanical-strength SCR denitration catalyst |
| CN107262155A (en) * | 2017-07-14 | 2017-10-20 | 太仓市老船长船舶服务有限公司 | A kind of denitrating catalyst |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210312 |