CN106345454A - Denitration and dioxin removal catalyst - Google Patents
Denitration and dioxin removal catalyst Download PDFInfo
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- CN106345454A CN106345454A CN201610750671.9A CN201610750671A CN106345454A CN 106345454 A CN106345454 A CN 106345454A CN 201610750671 A CN201610750671 A CN 201610750671A CN 106345454 A CN106345454 A CN 106345454A
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- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
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- 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
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- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- 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
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
- B01J23/8885—Tungsten containing also molybdenum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/40—Mixed oxides
- B01D2255/402—Perovskites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/65—Catalysts not containing noble metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Abstract
The invention relates to a denitration and dioxin removal catalyst, which belongs to the field of environmental protection catalyst. The denitration and dioxin removal catalyst forms a Mo, V, W/TiO2, Al2O3 system between the components of the catalyst, aluminum oxide and nano-titanium dioxide carriers, and realizes denitration functions by means of the active components Mo, V, W and carriers TiO2 and Al2O3. Meanwhile, the denitration and dioxin removal catalyst can decompose dioxin into HCl, CO2 and H2O by means of the V, W, Ti, Mo system composed of transition metal, so as to have the functions of denitration and dioxin removal and effectively simplify the structure of the emission filtration and discharge equipment to reduce the environmental protection cost. Moreover, the denitration and dioxin removal catalyst has the advantages of high dust resistance and interference ability, and can still play the largest in filtration without frequent shutdown for cleaning up the fouling, so that the aging of the catalyst is in uniformity, enabling strong filtration ability and long service life.
Description
Technical field
The present invention relates to a kind of denitration takes off two English catalyst and preparation method thereof, belong to the catalyst of filtering dusty gass
Field.
Background technology
With China's expanding economy, the quantity of China's coal energy-output ratio and motor vehicles increases considerably, and causes sky
In gas, various pollutant loads also rise rapid.Through the effort of decades, China is controlling dust and sulfur dioxide dirty
Dye aspect has obtained certain success, but the pollution of two English and nitrogen oxides is not yet controlled.Therefore, how effectively
The discharge of control two English nitrogen oxides become the focus of current field of Environment Protection.
Traditional catalyst, two English or nitrogen oxides can only be carried out unidirectional filter, lead to filter mixed flue gas when,
Equipment needed thereby construction is complicated, increases production cost.And, traditional catalyst relies on honeycombed catalyst to carry out filtration operation,
The structure of this catalyst is simple, but once there being bulky grain thing to enter catalytic inner, whole piece honeycomb bar hole will be blocked,
Cannot be carried out normal filtration reaction.Catalyst operation in high pollution environment, laying dust is unavoidable, how without frequent shutdown
On the basis of cleaning dust stratification, remain to make it play maximum strainability, be the difficult problem that those skilled in the art need to solve.
The present invention proposes a kind of denitration and takes off two English catalyst, can filter two English and nitrogen oxides simultaneously, obtained
Catalyst price is low, and chemically and thermally carefully, activity is also higher for stability, and anti-poisoning performance is high.Additionally, the present invention possesses height
Antidusting interference performance, on the basis of without frequent shutdown cleaning dust stratification, remains to play maximum strainability, makes catalyst
Aging speed is homogeneous, and the ability that filters is strong and long service life.
Content of the invention
For solve the problems, such as high temperature catalyst actually used during run into, the invention provides a kind of denitration take off two
English catalyst, can filter two English and nitrogen oxides simultaneously, and obtained catalyst price is low, and chemically and thermally stability carefully, is lived
Property also higher, and anti-poisoning performance is high.Additionally, the present invention possesses high antidusting interference performance, long-pending without frequent shutdown cleaning
On the basis of ash, remain to play maximum strainability, make the aging speed of catalyst homogeneous, the ability that filters is strong and service life
Long.
The present invention is achieved by the following technical solutions:
A kind of denitration takes off two English catalyst it is characterised in that being obtained by following raw materials, and described number is weight portion:
Base material 60-70 part；
Active component 1-3 part；
Auxiliary agent 20-30 part；
Binding agent 2-8 part；
Plasticizer 3-5 part；
Wherein said base material includes titanium dioxide, silica flour and gama-alumina.
In described base material, titanium dioxide, silica flour and gama-alumina are 5:2:3 in mass ratio.
Described active component includes vanadic anhydride, ammonium metatungstate, cerous nitrate and Lanthanum (III) nitrate；Above-mentioned vanadic anhydride, partially
The mass ratio of ammonium tungstate, cerous nitrate and Lanthanum (III) nitrate is 6:3:1:1.
Described auxiliary agent includes yittrium oxide, Tungstic anhydride. and molybdenum trioxide；Above-mentioned yittrium oxide, Tungstic anhydride. and molybdenum trioxide
Mass ratio is 1:3:3.
Described binding agent includes Suzhou soil, bentonite and Calcium Carbonate；The mass ratio of above-mentioned Suzhou soil, bentonite and Calcium Carbonate
For 2:2:1.
Described plasticizer includes hydroxymethyl cellulose and diatom ooze；The mass ratio of above-mentioned hydroxymethyl cellulose and diatom ooze is
3:2.
Also include extruding lubricant, the applied amount of extrusion lubricant is 1.5-3 part；Described extrusion lubricant includes methyl silicon
Oil and high oleic sunflower oil, the mass ratio of methyl-silicone oil and high oleic sunflower oil is 3:1.
Denitration of the present invention takes off two English catalyst, including following preparation process:
(1) by base material in 80-120 DEG C of vacuum oven 6-8h, it is cooled to 30-60 DEG C, obtain pretreating substrates；
(2) weigh active component and auxiliary agent, add mixing kettle, 20-25l deionized water is gradually added into mixing kettle, and open and stir
Mix, after the speed stirring 2-3h of 100-200r/min, add pretreating substrates in step (1), continue stirring 2-3h；
(3) by the prepared thing of step (2), put into Muffle furnace, calcine 4-6h at 500-700 DEG C；
(4) the prepared thing of step (3) is added binding agent, plasticizer and extrusion lubricant to be kneaded, until material is kneaded
Uniformly；
(5) material out by mixing, after ripening 24-48h, is added in filtration pre-extruded and extrudes, be filtered to remove miscellaneous in material
Matter；
(6) material after pre-extruded will be filtered, by mould integral extrusion molding, and the length according to regulation, by above-mentioned finished product
Carry out cutting into segmented body, carry out hemispherical concave machining at the two ends of each segmented body, make the two of each segmented body
End forms the hemisphere face of indent；
Cross-linked spheres catalyst, i.e. finished product is embedded between (7) two adjacent segmented body.
The preparation method of the cross-linked spheres catalyst described in step (7) is the foaming metal processing by aperture for 1-3mm
Globulate, with electrophoretic deposition foaming metal in the hole plating one layer function promoter material, the thickness of described function additive material
Degree is less than 0.5mm.
Described function additive material is obtained by following raw materials, and described number is weight portion:
Gama-alumina 20-30 part；
Vanadic anhydride 1-3 part；
Tungstic anhydride. 10-15 part；
Molybdenum trioxide 10-12 part；
Brium carbonate or Calcium Carbonate 2-8 part；
Diatom ooze 3-5 part；
Tween-60 1-3 part；
Dodecylbenzene sodium sulfonate 2-3 part；
Polytetrafluorethylepowder powder 4-7 part.
The present invention is had the beneficial effect that
1st, aluminium oxide and nano TiO 2 carrying body have higher specific surface area in itself, add pore creating material silicon on this basis
Powder, can make base material have suitable pore structure and water absorption rate, can improve the surface area of carrier, be conducive to catalyst activity to become
Dispersion, to improve activity and the life-span of catalyst.
2nd, form mo-v-w/tio between each group of catalyst is divided2-al2o3System, in active component mo, v, w and load
Body tio2-al2o3In the presence of realize denitration function, simultaneously rely on magnesium-yttrium-transition metal composition v-w-ti-mo system, can be very
Well two English are resolved into hcl, co2、h2O, thus having de- two English, denitration concurrently in one, can effectively simplify tail gas filtering discharge
The structure of equipment, reduces environmental protection cost.
3rd, add rare earth oxide can improve the thermostability of catalyst, play stable lattice structure and prevent volume contraction
Dual function.
4th, embed cross-linked spheres catalyst between two adjacent cellular segmented body, cross-linked spheres catalyst is in synchronization
The effect of high heat transfer and many siphunculus can be played while filtration.Out of stock de- two English catalyst are required in higher temperature
Just can have high reaction activity under the conditions of degree, however, temperature when flue gas just gives off can not keep too long, exist with flue gas
Move in catalyst, temperature gradually lowers.And foam metal all has high heat conduction efficiency, flue gas can be fully absorbed and discharge
The heat carrying during beginning, makes catalyst front-end and back-end thermally equivalent, is conducive to improving the conversion ratio of out of stock de- two English.
Further, since catalyst operation in high dirt environment, once segmented body honeycomb hole is blocked, flue gas also may be used
To enter in next adjacent sectional body from the many siphunculus road crossing cross-linked spheres catalyst, the blocking rate of filter opening is made to be greatly lowered.And
And, flue gas movement locus in the catalyst itself are also uneven, and cross-linked spheres catalyst can also play dispersed flue gas
Effect, can remain to make it play maximum strainability, extends catalyst on the basis of without frequent shutdown cleaning dust stratification
Whole service life.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, and specific embodiment does not limit the present invention.
A kind of denitration takes off two English catalyst, is obtained by following raw materials, and described number is weight portion:
Base material 60-70 part；
Active component 1-3 part；
Auxiliary agent 20-30 part；
Binding agent 2-8 part；
Plasticizer 3-5 part；
Wherein said base material includes titanium dioxide, silica flour and gama-alumina.
Each composition in specific embodiment and consumption see table:
| Composition | Embodiment one | Embodiment two | Embodiment three |
| Base material | 60 parts | 65 parts | 70 parts |
| Active component | 1 part | 1.2 part | 3 parts |
| Auxiliary agent | 20 parts | 25 parts | 30 parts |
| Binding agent | 2 parts | 25 parts | 8 parts |
| Plasticizer | 3 parts | 3.7 part | 5 parts |
| Extrusion lubricant | 1.5 part | 2 parts | 3 parts |
In described base material, titanium dioxide, silica flour and gama-alumina are 5:2:3 in mass ratio.
Described active component includes vanadic anhydride, ammonium metatungstate, cerous nitrate and Lanthanum (III) nitrate；Above-mentioned vanadic anhydride, partially
The mass ratio of ammonium tungstate, cerous nitrate and Lanthanum (III) nitrate is 6:3:1:1.
Described auxiliary agent includes yittrium oxide, Tungstic anhydride. and molybdenum trioxide；Above-mentioned yittrium oxide, Tungstic anhydride. and molybdenum trioxide
Mass ratio is 1:3:3.
Described binding agent includes Suzhou soil, bentonite and Calcium Carbonate；The mass ratio of above-mentioned Suzhou soil, bentonite and Calcium Carbonate
For 2:2:1.
Described plasticizer includes hydroxymethyl cellulose and diatom ooze；The mass ratio of above-mentioned hydroxymethyl cellulose and diatom ooze is
3:2.
Also include extruding lubricant, the applied amount of extrusion lubricant is 1.5-3 part；Described extrusion lubricant includes methyl silicon
Oil and high oleic sunflower oil, the mass ratio of methyl-silicone oil and high oleic sunflower oil is 3:1.
Denitration of the present invention takes off two English catalyst, including following preparation process:
(1) by base material in 80-120 DEG C of vacuum oven 6-8h, it is cooled to 30-60 DEG C, obtain pretreating substrates；
(2) weigh active component and auxiliary agent, add mixing kettle, 20-25l deionized water is gradually added into mixing kettle, and open and stir
Mix, after the speed stirring 2-3h of 100-200r/min, add pretreating substrates in step (1), continue stirring 2-3h；
(3) by the prepared thing of step (2), put into Muffle furnace, calcine 4-6h at 500-700 DEG C；
(4) the prepared thing of step (3) is added binding agent, plasticizer and extrusion lubricant to be kneaded, until material is kneaded
Uniformly；
(5) material out by mixing, after ripening 24-48h, is added in filtration pre-extruded and extrudes, be filtered to remove miscellaneous in material
Matter；
(6) material after pre-extruded will be filtered, by mould integral extrusion molding, and the length according to regulation, by above-mentioned finished product
Carry out cutting into segmented body, carry out hemispherical concave machining at the two ends of each segmented body, make the two of each segmented body
End forms the hemisphere face of indent；
Cross-linked spheres catalyst, i.e. finished product is embedded between (7) two adjacent segmented body.
The preparation method of the cross-linked spheres catalyst described in step (7) is the foaming metal processing by aperture for 1-3mm
Globulate, with electrophoretic deposition foaming metal in the hole plating one layer function promoter material, the thickness of described function additive material
Degree is less than 0.5mm.Described foaming metal is nickel foam.
Described function additive material is obtained by following raw materials, and described number is weight portion:
Gama-alumina 20-30 part；
Vanadic anhydride 1-3 part；
Tungstic anhydride. 10-15 part；
Molybdenum trioxide 10-12 part；
Brium carbonate or Calcium Carbonate 2-8 part；
Diatom ooze 3-5 part；
Tween-60 1-3 part；
Dodecylbenzene sodium sulfonate 2-3 part；
Polytetrafluorethylepowder powder 4-7 part.
Function additive material each composition in a particular embodiment and consumption see table:
| Composition | Embodiment one | Embodiment two | Embodiment three |
| Gama-alumina | 20 parts | 25 parts | 30 parts |
| Vanadic anhydride | 1 part | 1.5 part | 3 parts |
| Tungstic anhydride. | 10 parts | 13 parts | 15 parts |
| Molybdenum trioxide | 10 parts | 11 parts | 12 parts |
| Brium carbonate or Calcium Carbonate | 2 parts | 5 parts | 8 parts |
| Diatom ooze | 3 parts | 4 parts | 5 parts |
| Tween-60 | 1 part | 1.5 part | 3 parts |
| Dodecylbenzene sodium sulfonate | 2 parts | 2.5 part | 3 parts |
| Polytetrafluorethylepowder powder | 4 parts | 5 parts | 7 parts |
The experimental result of above-described embodiment is as follows:
| Laboratory sample | Out of stock rate (%) | Two English removal efficiencies (%) |
| Embodiment one | 96.3 | 99.3 |
| Embodiment two | 97 | 99.4 |
| Embodiment three | 97.1 | 99.7 |
Above-mentioned the results show, the serviceability of the present invention is good, can effectively remove the nitre in flue gas and two English, suitably exist
Industry advisor popularizes.
Claims (10)
1. a kind of denitration takes off two English catalyst it is characterised in that being obtained by following raw materials, and described number is weight portion:
Base material 60-70 part；
Active component 1-3 part；
Auxiliary agent 20-30 part；
Binding agent 2-8 part；
Plasticizer 3-5 part；
Wherein said base material includes titanium dioxide, silica flour and gama-alumina.
2. as claimed in claim 1 a kind of denitration take off two English catalyst it is characterised in that: titanium dioxide in described base material,
Silica flour and gama-alumina are 5:2:3 in mass ratio.
3. as claimed in claim 1 a kind of denitration take off two English catalyst it is characterised in that: described active component includes five oxygen
Change two vanadium, ammonium metatungstate, cerous nitrate and Lanthanum (III) nitrate；The mass ratio of above-mentioned vanadic anhydride, ammonium metatungstate, cerous nitrate and Lanthanum (III) nitrate
For 6:3:1:1.
4. as claimed in claim 1 a kind of denitration take off two English catalyst it is characterised in that: described auxiliary agent include yittrium oxide,
Tungstic anhydride. and molybdenum trioxide；The mass ratio of above-mentioned yittrium oxide, Tungstic anhydride. and molybdenum trioxide is 1:3:3.
5. as claimed in claim 1 a kind of denitration take off two English catalyst it is characterised in that: described binding agent includes Suzhou
Soil, bentonite and Calcium Carbonate；The mass ratio of above-mentioned Suzhou soil, bentonite and Calcium Carbonate is 2:2:1.
6. as claimed in claim 1 a kind of denitration take off two English catalyst it is characterised in that: described plasticizer includes methylol
Cellulose and diatom ooze；The mass ratio of above-mentioned hydroxymethyl cellulose and diatom ooze is 3:2.
7. as claimed in claim 1 a kind of denitration take off two English catalyst it is characterised in that: also include extrude lubricant, squeeze
The applied amount going out lubricant is 1.5-3 part；Described extrusion lubricant includes methyl-silicone oil and high oleic sunflower oil, methyl-silicone oil and
The mass ratio of high oleic sunflower oil is 3:1.
8. a kind of denitration takes off two English catalyst it is characterised in that including following preparation process as claimed in claim 1:
(1) by base material in 80-120 DEG C of vacuum oven 6-8h, it is cooled to 30-60 DEG C, obtain pretreating substrates；
(2) weigh active component and auxiliary agent, add mixing kettle, 20-25l deionized water is gradually added into mixing kettle, and open and stir
Mix, after the speed stirring 2-3h of 100-200r/min, add pretreating substrates in step (1), continue stirring 2-3h；
(3) by the prepared thing of step (2), put into Muffle furnace, calcine 4-6h at 500-700 DEG C；
(4) the prepared thing of step (3) is added binding agent, plasticizer and extrusion lubricant to be kneaded, until material is kneaded
Uniformly；
(5) material out by mixing, after ripening 24-48h, is added in filtration pre-extruded and extrudes, be filtered to remove miscellaneous in material
Matter；
(6) material after pre-extruded will be filtered, by mould integral extrusion molding, and the length according to regulation, by above-mentioned finished product
Carry out cutting into segmented body, carry out hemispherical concave machining at the two ends of each segmented body, make the two of each segmented body
End forms the hemisphere face of indent；
Cross-linked spheres catalyst, i.e. finished product is embedded between (7) two adjacent segmented body.
9. as claimed in claim 8 a kind of denitration take off two English catalyst it is characterised in that: the crosslinking described in step (7)
The preparation method of spheroid catalyst is the foaming metal processing globulate by aperture for 1-3mm, with electrophoretic deposition in foaming gold
The in the hole plating one layer function promoter material belonging to, the thickness of described function additive material is less than 0.5mm.
10. as claimed in claim 9 a kind of denitration take off two English catalyst it is characterised in that: described function additive material by
Following raw materials are obtained, and described number is weight portion:
Gama-alumina 20-30 part；
Vanadic anhydride 1-3 part；
Tungstic anhydride. 10-15 part；
Molybdenum trioxide 10-12 part；
Brium carbonate or Calcium Carbonate 2-8 part；
Diatom ooze 3-5 part；
Tween-60 1-3 part；
Dodecylbenzene sodium sulfonate 2-3 part；
Polytetrafluorethylepowder powder 4-7 part.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552041A (en) * | 2017-09-30 | 2018-01-09 | 湖北神雾热能技术有限公司 | A kind of wear-resisting denitrating catalyst of the grey high calcium operating mode of suitable height and preparation method thereof |
| CN107890777A (en) * | 2017-11-28 | 2018-04-10 | 辽宁鑫隆科技有限公司 | A kind of catalytic-reduction denitrified method of dry method |
| CN109482049A (en) * | 2019-01-02 | 2019-03-19 | 武汉科林精细化工有限公司 | A kind of coke oven flue gas dry desulfurization denitration purification integral process |
| CN111530449A (en) * | 2020-06-09 | 2020-08-14 | 江苏龙净科杰环保技术有限公司 | Wall-flow dedusting low-temperature denitration honeycomb catalyst for flue gas and preparation process thereof |
| CN111672504A (en) * | 2020-06-03 | 2020-09-18 | 北京海顺德钛催化剂有限公司 | Catalyst for moving bed and/or fluidized bed denitration device and preparation method and application thereof |
| CN113750981A (en) * | 2021-09-26 | 2021-12-07 | 北京市科学技术研究院城市安全与环境科学研究所 | Catalyst for synergistically purifying various pollutants and preparation method thereof |
| CN114377683A (en) * | 2022-01-25 | 2022-04-22 | 大唐南京环保科技有限责任公司 | Anti-arsenic poisoning denitration catalyst and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480371A (en) * | 2013-09-22 | 2014-01-01 | 中国神华能源股份有限公司 | Denitration and demercuration catalyst as well as preparing method and application thereof |
| CN103752347A (en) * | 2014-01-26 | 2014-04-30 | 南京宇行环保科技有限公司 | Preparation method of honeycomb denitration catalyst |
| CN103962124A (en) * | 2013-02-04 | 2014-08-06 | 上海达源环境科技工程有限公司 | Flue gas denitration catalyst |
| CN104226301A (en) * | 2014-09-16 | 2014-12-24 | 东营信拓汽车消声器有限公司 | Preparation method of rare-earth-based composite multi-component denitrification and dioxin removal catalyst |
| EP2875863A1 (en) * | 2013-11-25 | 2015-05-27 | Umicore AG & Co. KG | SCR catalytic converter |
| CN104841489A (en) * | 2015-05-29 | 2015-08-19 | 山东爱亿普环保科技有限公司 | Rare-earth-based composite multi-component denitration and dioxin-removing catalyst and preparation method thereof |
| CN105107517A (en) * | 2015-07-21 | 2015-12-02 | 安徽省元琛环保科技有限公司 | Preparation method of dioxin removal and denitration catalyst and product thereof |
-
2016
- 2016-08-30 CN CN201610750671.9A patent/CN106345454B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962124A (en) * | 2013-02-04 | 2014-08-06 | 上海达源环境科技工程有限公司 | Flue gas denitration catalyst |
| CN103480371A (en) * | 2013-09-22 | 2014-01-01 | 中国神华能源股份有限公司 | Denitration and demercuration catalyst as well as preparing method and application thereof |
| EP2875863A1 (en) * | 2013-11-25 | 2015-05-27 | Umicore AG & Co. KG | SCR catalytic converter |
| CN103752347A (en) * | 2014-01-26 | 2014-04-30 | 南京宇行环保科技有限公司 | Preparation method of honeycomb denitration catalyst |
| CN104226301A (en) * | 2014-09-16 | 2014-12-24 | 东营信拓汽车消声器有限公司 | Preparation method of rare-earth-based composite multi-component denitrification and dioxin removal catalyst |
| CN104841489A (en) * | 2015-05-29 | 2015-08-19 | 山东爱亿普环保科技有限公司 | Rare-earth-based composite multi-component denitration and dioxin-removing catalyst and preparation method thereof |
| CN105107517A (en) * | 2015-07-21 | 2015-12-02 | 安徽省元琛环保科技有限公司 | Preparation method of dioxin removal and denitration catalyst and product thereof |
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| CN107890777A (en) * | 2017-11-28 | 2018-04-10 | 辽宁鑫隆科技有限公司 | A kind of catalytic-reduction denitrified method of dry method |
| CN109482049A (en) * | 2019-01-02 | 2019-03-19 | 武汉科林精细化工有限公司 | A kind of coke oven flue gas dry desulfurization denitration purification integral process |
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| CN111530449A (en) * | 2020-06-09 | 2020-08-14 | 江苏龙净科杰环保技术有限公司 | Wall-flow dedusting low-temperature denitration honeycomb catalyst for flue gas and preparation process thereof |
| CN111530449B (en) * | 2020-06-09 | 2021-08-10 | 江苏龙净科杰环保技术有限公司 | Wall-flow dedusting low-temperature denitration honeycomb catalyst for flue gas and preparation process thereof |
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| CN113750981A (en) * | 2021-09-26 | 2021-12-07 | 北京市科学技术研究院城市安全与环境科学研究所 | Catalyst for synergistically purifying various pollutants and preparation method thereof |
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| CN114377683B (en) * | 2022-01-25 | 2023-11-14 | 大唐南京环保科技有限责任公司 | Arsenic poisoning-resistant denitration catalyst and preparation method thereof |
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