CN106607046A - Preparation method for catalytically active ceramic cotton for flue gas denitration - Google Patents
Preparation method for catalytically active ceramic cotton for flue gas denitration Download PDFInfo
- Publication number
- CN106607046A CN106607046A CN201610998338.XA CN201610998338A CN106607046A CN 106607046 A CN106607046 A CN 106607046A CN 201610998338 A CN201610998338 A CN 201610998338A CN 106607046 A CN106607046 A CN 106607046A
- Authority
- CN
- China
- Prior art keywords
- cellucotton
- flue gas
- mixed solution
- nitrate
- catalysis activity
- 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 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
- 229920000742 Cotton Polymers 0.000 title abstract description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 39
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000243 solution Substances 0.000 claims abstract description 21
- 239000011259 mixed solution Substances 0.000 claims abstract description 20
- 238000001354 calcination Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims description 21
- 238000006555 catalytic reaction Methods 0.000 claims description 18
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 14
- 210000002268 wool Anatomy 0.000 claims description 14
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 13
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 7
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 7
- -1 octyl phenyl Chemical group 0.000 claims description 5
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000003837 high-temperature calcination Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 2
- 238000007254 oxidation reaction Methods 0.000 claims 2
- 229910052845 zircon Inorganic materials 0.000 claims 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims 2
- 238000002156 mixing Methods 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 15
- 238000007598 dipping method Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000004480 active ingredient Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052572 stoneware Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- 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
- B01D53/88—Handling or mounting catalysts
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Organic 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)
Abstract
A preparation method for catalytically active ceramic cotton for flue gas denitration is provided; a preparation process comprises the following steps successively: (1) preparing a mixed solution containing a catalytically active ingredient; (2) dipping zirconia ceramic cellucotton in the mixed solution prepared in the step (1); (3) removing excess solution of the cellucotton dipped in the solution in the step (2), and fumigating with ammonia gas; (4) carrying out drying treatment on the cellucotton fumigated in the step (3); and (5) calcining. The prepared catalyst product has the advantages of large specific surface area, high temperature resistance, corrosion resistance and wide use range.
Description
Technical field
The invention belongs to chemical stoneware field, more particularly to denitrating flue gas catalysis activity ceramic wool.
Background technology
Nitrogen oxides are one of Air Pollutant Discharge, serious harm ecological environment and human health, and current denitration is commonly used
One of technology be ammonia selective catalytic reduction, conventional method is in honeycomb or cellular ceramic substrate by catalyst coated
Surface, carrier is placed in container, and when high-temperature flue gas pass through, institute's nitrogen-containing oxide generates nitrogen and water with ammonia reaction.Due to
Honeycomb or porous ceramicss are rigid bodies, when catalytic unit geomery changes, need to remake suitable shape and size
Catalyst carrier, reduce the convenience of application.Catalyst is coated on ceramic fibre surface and is formed by the present invention has catalysis
The ceramic fibre of activity, with resistance less advantage when shape is variable and fluid passes through, can be filled in variously-shaped appearance
As catalyst in device and pipeline.
The content of the invention
The present invention is not enough for prior art, there is provided a kind of high temperature resistant, corrosion-resistant, installs simple, and convenient renewal is replaced, section
About cost, specific surface area of catalyst is big, and various active composition is mutually promoted, better catalytic activity, and denitration rate is more than 90%
Denitrating flue gas catalysis activity ceramic wool manufacture method.
To realize the object of the invention, there is provided technical scheme below：A kind of denitrating flue gas are prepared with catalysis activity ceramic wool
Method, it is characterised in that comprise the following steps：
(1) mixed solution containing catalytic active component is prepared；
(2) zirconia ceramicss cellucotton is immersed in mixed solution；
(3) the zirconia ceramicss cellucotton being immersed in mixed solution is taken out, it is stifling with ammonia after removing redundant solution；
(4) the zirconia ceramicss cellucotton with ammonia after stifling is dried；
(5) dried zirconia ceramicss cellucotton is put in electric kiln and is calcined；
The mixed solution contains zirconium nitrate, manganese nitrate, ferric nitrate, cerous nitrate, and with mixed solution gross weight meter, its component includes
Zirconium nitrate 25wt% ~ 43wt%, manganese nitrate is 16 wt % ~ 30 wt %, and ferric nitrate is 8 wt % ~ 15 wt %, and cerous nitrate is 18
wt %~26 wt %；
Preferably, the dip time that zirconia ceramicss cellucotton is immersed in mixed solution is 2 ~ 10min, solution temperature is 40
~60℃。
Preferably, it is that zirconia ceramicss cellucotton is placed on into a closed container full of ammonia that ammonia is fumigated
In, standing time is 0.2-1h.
Preferably, calcining heat is 420 ~ 580 DEG C, the programming rate≤3 DEG C/min of calcining heat is heated to from room temperature,
The high-temperature calcination time is 5 ~ 18h, cools to room temperature with the furnace.
Preferably, also containing additive triton x-100 (octyl phenyl polyoxyethylene ether) in mixed solution, concentration is
The 0.2% ~ 0.8% of mixed solution gross mass.
Preferably, zirconia ceramicss cellucotton fibre diameter is 2 ~ 5 μm, bulk density is 90 ~ 120kg/m3。
Preferably, drying meanss are micro-wave drying method, the time is 5 ~ 30min.
Beneficial effect of the present invention：The catalyst high temperature resistant of the present invention, it is corrosion-resistant, install simple, convenient renewal is replaced, and is saved
Cost.In addition, the specific surface area of catalyst of the present invention is big, and various active composition is mutually promoted, better catalytic activity.The present invention
Catalysis activity ceramic membrane denitration rate more than 90%.
Active component Zr-Mn-Fe-Ce prepared by the present invention is to be supported on ZrO2On ceramic fiber cotton, can integrally use
In catalysis membrane tube, solve the detached problem of product and catalyst hardly possible, and be conveniently updated replacement, catalyst activity into
MnO in point2With very prominent low-temperature catalyzed characteristic, Mn-Fe combinations have more preferable catalysis activity and N2Selectivity, CeO2
With oxygen ability is preferably stored, the activity of catalyst, more ZrO can be obviously improved2Promotion forms weak acid acid site, strengthens
Activity of the catalyst in cold stage, increased absorption NH3Efficiency, strengthen the effect of catalytic purification.
Specific embodiment
The present invention is done with reference to embodiment is further explained, the following example is merely to illustrate the present invention, but
It is not used to limit the use range of the present invention.
Embodiment 1：
A kind of denitrating flue gas catalysis activity ceramic wool preparation method, its preparation process is comprised the following steps：
(1) mixed solution containing catalytic active component is prepared；Wherein, with mixture solution gross weight meter, the wt of zirconium nitrate 39
%, manganese nitrate is 28 wt %, and ferric nitrate is 12wt %, and cerous nitrate is 21 wt %；Triton x-100 (octyl phenyl Polyethylene oxide
Ether) 0.3%wt %.
(2) zirconia ceramicss cellucotton is immersed in the solution of step (1) preparation；Wherein, dip time is
3min, solution temperature is 45 DEG C；Zirconia ceramicss cellucotton fibre diameter is 3 μm, and bulk density is 95kg/m3。
(3) cellucotton of step (2) dipping solution is removed after redundant solution with drier, cellucotton is placed on
In one closed container full of ammonia, fumigated；Time is 30min.
(4) cellucotton that Jing steps (3) were fumigated is carried out into microwave drying, the time is 8min.
(5) calcine；Calcining in the step (5), temperature is 430 DEG C, and calcination time is 8h, 1 DEG C of programming rate/
min。
Take the denitration test that the catalyst of the present embodiment enters under rower condition, denitration rate is up to 92.3%.
Embodiment 2：
A kind of denitrating flue gas catalysis activity ceramic wool preparation method, its preparation process is comprised the following steps：
(1) mixed solution containing catalytic active component is prepared；Wherein, with mixture solution gross weight meter, zirconium nitrate 42wt
%, manganese nitrate is 26wt %, and ferric nitrate is 8wt %, and cerous nitrate is 24wt %；Triton x-100 (octyl phenyl polyoxyethylene ether)
0.5%wt %。
(2) zirconia ceramicss cellucotton is immersed in the solution of step (1) preparation；Wherein, dip time is 5min, molten
Liquid temp is 50 DEG C；Zirconia ceramicss cellucotton fibre diameter is 5 μm, and bulk density is 103kg/m3。
(3) cellucotton of step (2) dipping solution is removed after redundant solution with drier, cellucotton is placed on
In one closed container full of ammonia, fumigated；Time is 45min.
(4) cellucotton that Jing steps (3) were fumigated is carried out into microwave drying, the time is 12min.
(5) calcine；Calcining in the step (5), temperature is 480 DEG C, and calcination time is 12h, programming rate 1.5
℃/min。
Take the denitration test that the catalyst of the present embodiment enters under rower condition, denitration rate is up to 95.5%.
Embodiment 3：
A kind of denitrating flue gas catalysis activity ceramic wool preparation method, its preparation process is comprised the following steps：
(1) mixed solution containing catalytic active component is prepared；Wherein, with mixture solution gross weight meter, the wt of zirconium nitrate 36
%, manganese nitrate is 24 wt %, and ferric nitrate is 15wt %, and cerous nitrate is 25 wt %；Triton x-100 (octyl phenyl Polyethylene oxide
Ether) 0.6%wt %.
(2) zirconia ceramicss cellucotton is immersed in the solution of step (1) preparation；Wherein, dip time is 8min,
Solution temperature is 55 DEG C；Zirconia ceramicss cellucotton fibre diameter is 5 μm, and bulk density is 103kg/m3。
(3) cellucotton of step (2) dipping solution is removed after redundant solution with drier, cellucotton is placed on
In one closed container full of ammonia, fumigated；Time is 50min.
(4) cellucotton that Jing steps (3) were fumigated is carried out into microwave drying, the time is 18min.
(5) calcine；Calcining in the step (5), temperature is 500 DEG C, and calcination time is 15h, 2 DEG C of programming rate/
min。
Take the denitration test that the catalyst of the present embodiment enters under rower condition, denitration rate is up to 96.2%.
Claims (7)
1. a kind of denitrating flue gas catalysis activity ceramic wool preparation method, it is characterised in that comprise the following steps：
(1) mixed solution containing catalytic active component is prepared；
(2) zirconia ceramicss cellucotton is immersed in mixed solution；
(3) the zirconia ceramicss cellucotton being immersed in mixed solution is taken out, it is stifling with ammonia after removing redundant solution；
(4) the zirconia ceramicss cellucotton with ammonia after stifling is dried；
(5) dried zirconia ceramicss cellucotton is put in electric kiln and is calcined；
The mixed solution contains zirconium nitrate, manganese nitrate, ferric nitrate, cerous nitrate, and with mixed solution gross weight meter, its component includes
Zirconium nitrate 25wt% ~ 43wt%, manganese nitrate is 16 wt % ~ 30 wt %, and ferric nitrate is 8 wt % ~ 15 wt %, and cerous nitrate is 18
wt %~26 wt %。
2. a kind of denitrating flue gas according to claim 1 catalysis activity ceramic wool preparation method, it is characterised in that oxidation
The dip time that zircon ceramic cellucotton is immersed in mixed solution is 2 ~ 10min, and solution temperature is 40 ~ 60 DEG C.
3. a kind of denitrating flue gas according to claim 1 catalysis activity ceramic wool preparation method, it is characterised in that ammonia
Stifling is that zirconia ceramicss cellucotton is placed in a closed container full of ammonia, and standing time is 0.2-1h.
4. a kind of denitrating flue gas according to claim 1 catalysis activity ceramic wool preparation method, it is characterised in that calcining
Temperature is 420 ~ 580 DEG C, and from room temperature the programming rate≤3 DEG C/min of calcining heat is heated to, and the high-temperature calcination time is 5 ~ 18h,
Cool to room temperature with the furnace.
5. a kind of denitrating flue gas according to claim 1 catalysis activity ceramic wool preparation method, it is characterised in that mixing
In solution also contain additive triton x-100 (octyl phenyl polyoxyethylene ether), concentration for mixed solution gross mass 0.2% ~
0.8%。
6. a kind of denitrating flue gas according to claim 1 catalysis activity ceramic wool preparation method, it is characterised in that oxidation
Zircon ceramic cellucotton fibre diameter is 2 ~ 5 μm, and bulk density is 90 ~ 120kg/m3。
7. a kind of denitrating flue gas according to claim 1 catalysis activity ceramic wool preparation method, it is characterised in that be dried
Method is micro-wave drying method, and the time is 5 ~ 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998338.XA CN106607046B (en) | 2016-11-14 | 2016-11-14 | Preparation method of catalytically active ceramic wool for flue gas denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998338.XA CN106607046B (en) | 2016-11-14 | 2016-11-14 | Preparation method of catalytically active ceramic wool for flue gas denitration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106607046A true CN106607046A (en) | 2017-05-03 |
| CN106607046B CN106607046B (en) | 2020-02-07 |
Family
ID=58615315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610998338.XA Active CN106607046B (en) | 2016-11-14 | 2016-11-14 | Preparation method of catalytically active ceramic wool for flue gas denitration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106607046B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0398752A1 (en) * | 1989-05-19 | 1990-11-22 | Babcock-Hitachi Kabushiki Kaisha | Catalyst for reducing nitrogen oxides |
| JPH05200310A (en) * | 1992-01-16 | 1993-08-10 | Nippon Muki Co Ltd | Carrier paper for denitration catalyst |
| CN1721059A (en) * | 2005-05-24 | 2006-01-18 | 同济大学 | Loaded on glass fiber net TiO 2The preparation method of fixed film photocatalyst |
| CN102114424A (en) * | 2010-12-29 | 2011-07-06 | 国电科学技术研究院 | Low-temperature smoke denitration SCR (silicon controlled rectifier) catalyst and preparation method |
| CN102824922A (en) * | 2012-09-07 | 2012-12-19 | 浙江天蓝环保技术股份有限公司 | Integrated honeycomb SCR (selective catalytic reduction) catalyst for low-temperature smoke denitration and preparation method of catalyst |
| CN104774009A (en) * | 2015-03-25 | 2015-07-15 | 江苏省陶瓷研究所有限公司 | Method for preparation of cerium oxide ceramic fiber board by precursor impregnation process |
-
2016
- 2016-11-14 CN CN201610998338.XA patent/CN106607046B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0398752A1 (en) * | 1989-05-19 | 1990-11-22 | Babcock-Hitachi Kabushiki Kaisha | Catalyst for reducing nitrogen oxides |
| JPH05200310A (en) * | 1992-01-16 | 1993-08-10 | Nippon Muki Co Ltd | Carrier paper for denitration catalyst |
| CN1721059A (en) * | 2005-05-24 | 2006-01-18 | 同济大学 | Loaded on glass fiber net TiO 2The preparation method of fixed film photocatalyst |
| CN102114424A (en) * | 2010-12-29 | 2011-07-06 | 国电科学技术研究院 | Low-temperature smoke denitration SCR (silicon controlled rectifier) catalyst and preparation method |
| CN102824922A (en) * | 2012-09-07 | 2012-12-19 | 浙江天蓝环保技术股份有限公司 | Integrated honeycomb SCR (selective catalytic reduction) catalyst for low-temperature smoke denitration and preparation method of catalyst |
| CN104774009A (en) * | 2015-03-25 | 2015-07-15 | 江苏省陶瓷研究所有限公司 | Method for preparation of cerium oxide ceramic fiber board by precursor impregnation process |
Non-Patent Citations (1)
| Title |
|---|
| 管昊: ""纳米氧化锆基SCR催化剂脱硝性能研究"", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106607046B (en) | 2020-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104226301B (en) | A kind of rare earth based complex multi-component denitration, the preparation method taking off two English catalyst | |
| CN105854874B (en) | Denitrating catalyst and preparation method thereof and the application in denitrating flue gas | |
| CN106824173B (en) | A kind of SCR catalyst for denitrating flue gas and preparation method thereof | |
| CN102500359B (en) | Vanadium based SCR catalyst as well as preparation and application thereof in tail gas NOx desorption after acrylonitrile oxidation | |
| CN104338545B (en) | A kind of efficient SCR catalyst that is applied to diesel engine vent gas purification of nitrogen oxides | |
| CN104874347B (en) | A kind of TiO2Load the preparation method and applications of nitrogen-doped graphene sponge | |
| CN109569587A (en) | A kind of manganese-based low-temperature catalyst for denitrating flue gas and preparation method thereof | |
| KR101629483B1 (en) | Vanadium-based denitration catalyst and preparing method of the same | |
| CN106179301A (en) | A kind of preparation method of cerium-titanium composite oxide low-temperature SCR catalyst | |
| CN107649116A (en) | Cerium tin composite oxides denitrating catalyst and its preparation method and application | |
| CN105944713B (en) | A kind of tungsten tin manganese-cerium composite oxide denitrating catalyst and its preparation and application | |
| CN106824174A (en) | A kind of coccoid catalyst of high-efficient purification nitrogen oxides and preparation method thereof | |
| CN106391009A (en) | Preparation method and application of catalyst for catalytic oxidation of VOCs | |
| CN102658155A (en) | Preparation method of supported type denitration catalyst | |
| CN102240543A (en) | CeO2-ZrO2 based SCR (selective catalytic reduction) catalyst used for denitration and preparation thereof | |
| CN101745394A (en) | Catalyst used for decomposing N2O and preparation method and application thereof | |
| CN106268788A (en) | A kind of catalyst of Elemental Mercury catalysis oxidation and preparation method thereof in flue gas | |
| CN103769080A (en) | Diesel vehicle tail gas purification SCR catalyst and preparation method thereof | |
| CN103816909A (en) | Low-temperature denitrification catalyst and preparation method thereof | |
| CN108114742A (en) | A kind of composite Ti-Si- molecular sieve coatings entirety denitrating catalyst and preparation method thereof | |
| CN110813072A (en) | Novel integrated material for flue gas desulfurization, denitrification and CO removal, and preparation and application thereof | |
| CN108671946A (en) | Phosphorus doping cerium titanium catalyst, preparation and its application in selective-catalytic-reduction denitrified | |
| CN110026182A (en) | Low-temperature denitration catalyst and its preparation and application in high sulfur resistive | |
| CN105107521A (en) | Mn-Fe double metal-doped active carbon-based desulfurization catalyst, and preparation method thereof | |
| CN104128188A (en) | Denitration catalyst used in waste incineration power plant and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |