CN107519890A - High-efficiency flue gas desulfurization denitration catalyst and preparation method thereof - Google Patents
High-efficiency flue gas desulfurization denitration catalyst and preparation method thereof Download PDFInfo
- Publication number
- CN107519890A CN107519890A CN201710652516.8A CN201710652516A CN107519890A CN 107519890 A CN107519890 A CN 107519890A CN 201710652516 A CN201710652516 A CN 201710652516A CN 107519890 A CN107519890 A CN 107519890A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- flue gas
- gas desulfurization
- catalyst
- nitrate
- 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
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
- B01J23/70—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
- 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
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- 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
Abstract
The invention discloses a kind of high-efficiency flue gas desulfurization denitration catalyst and preparation method thereof, the high-efficiency flue gas desulfurization denitration catalyst includes 8~12wt% active components, 5~8wt% co-catalysts and 80~87wt% carriers；Active component includes yttria, cobaltosic oxide, manganese dioxide and aluminium chloride；Co-catalyst is di-iron trioxide or nickel oxide；Carrier is modified activated carbon；The specific surface area of molecular sieve is 350~500m2/ g, aperture are 0.8~1.2mL/g.The present invention is using yttria, cobaltosic oxide, manganese dioxide and aluminium chloride as active component, di-iron trioxide or nickel oxide are co-catalyst, modified activated carbon is carrier, there is good effect to desulphurization and denitration, sulphur, the nitre in flue gas can be sloughed, can be widely used in the catalytic denitration desulfurization of the large-scale fume emission enterprise such as iron and steel enterprise, bituminous coal power plant, bituminous coal kiln, metallurgy industry.
Description
Technical field
The present invention relates to desulphurization denitration field, more particularly to a kind of high-efficiency flue gas desulfurization denitration catalyst and its preparation side
Method.
Background technology
Sulfur dioxide, nitrogen oxides are one of main atmosphere pollutions, are the arch-criminals that acid rain, acid mist are formed, and hydrocarbon
Compound cooperatively forms photochemical fog, has serious threat to human biological's health.To coal-fired flue-gas and motor vehicle
The removing of middle sulfur dioxide and nitrogen oxides is the main task of current China's Air Pollution Control.
Flue gas desulfurization and denitrification technology common at present mainly has electronic beam method, activated carbon method and aluminium base copper method.Although electronics
Beam hair has been carried out industrializing, but because its operating cost is high, it is difficult to large-scale promotion at home, and existing catalyst is difficult to together
When possess high desulphurization denitration rate.
The content of the invention
In view of this, it is an object of the invention to provide a kind of high-efficiency flue gas desulfurization denitration catalyst and preparation method thereof, take off
Sulphur rate, denitrification percent are high.
To achieve these goals, the present invention provides following technical scheme：
A kind of high-efficiency flue gas desulfurization denitration catalyst, including 8~12wt% active components, 5~8wt% co-catalysts and 80
~87wt% carriers；
The active component includes yttria, cobaltosic oxide, manganese dioxide and aluminium chloride；
The co-catalyst is di-iron trioxide or nickel oxide；
The carrier is modified activated carbon；
The specific surface area of the molecular sieve is 350~500m2/ g, aperture are 0.8~1.2mL/g.
Preferably, the mass ratio of the yttria, the cobaltosic oxide, the manganese dioxide and the aluminium chloride
For (0.2~0.3)：(0.6~0.8)：(1.2~1.6)：(1.8~2.4).
Preferably, the modified activated carbon is graphitization activated carbon or alcohol amination activated carbon.
Preferably, activated carbon is cellular activated carbon in the modified activated carbon.
Present invention also offers a kind of above-mentioned preparation method of high-efficiency flue gas desulfurization denitration catalyst, comprise the following steps：
Calculated by active component, the amount of co-catalyst and weigh corresponding preposition material, preposition material is dissolved in deionization
In water, modified activated carbon is stirring evenly and then adding into, after 40~60min of ultrasonic disperse, be placed in Muffle furnace, at 400~600 DEG C
Roasting, is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
Preferably, the preposition material of the active component is yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate；The co-catalysis
The preposition material of agent is ferric nitrate or nickel nitrate.
A kind of high-efficiency flue gas desulfurization denitration catalyst provided by the invention and preparation method thereof, the high-efficiency flue gas desulfurization denitration
Catalyst includes 8~12wt% active components, 5~8wt% co-catalysts and 80~87wt% carriers；Active component includes
Yttria, cobaltosic oxide, manganese dioxide and aluminium chloride；Co-catalyst is di-iron trioxide or nickel oxide；Carrier is to change
Property activated carbon；The specific surface area of molecular sieve is 350~500m2/ g, aperture are 0.8~1.2mL/g.The present invention is with three oxidations two
Yttrium, cobaltosic oxide, manganese dioxide and aluminium chloride are active component, and di-iron trioxide or nickel oxide are co-catalyst, modified to live
Property charcoal be carrier, have good effect to desulphurization and denitration, sulphur, nitre in flue gas can be sloughed, can be widely used in steel enterprise
The catalytic denitration desulfurization of the large-scale fume emission enterprise such as industry, bituminous coal power plant, bituminous coal kiln, metallurgy industry.
Embodiment
In order to further appreciate that the present invention, the preferred embodiments of the invention are described with reference to embodiment, but
It is it should be appreciated that these descriptions are simply for further explanation the features and advantages of the present invention rather than to patent requirements of the present invention
Limitation.
The invention provides a kind of high-efficiency flue gas desulfurization denitration catalyst, including 8~12wt% active components, 5~8wt%
Co-catalyst and 80~87wt% carriers；
The active component includes yttria, cobaltosic oxide, manganese dioxide and aluminium chloride；
The co-catalyst is di-iron trioxide or nickel oxide；
The carrier is modified activated carbon；
The specific surface area of the molecular sieve is 350~500m2/ g, aperture are 0.8~1.2mL/g.
In above-mentioned technical proposal, the present invention is using yttria, cobaltosic oxide, manganese dioxide and aluminium chloride as activearm
Point, di-iron trioxide or nickel oxide are co-catalyst, and modified activated carbon is carrier, there is good effect, energy to desulphurization and denitration
Sulphur, the nitre in flue gas are enough sloughed, can be widely used in the large-scale flue gases such as iron and steel enterprise, bituminous coal power plant, bituminous coal kiln, metallurgy industry
Discharge the catalytic denitration desulfurization of enterprise.
In an embodiment of the present invention, the mass ratio of yttria, cobaltosic oxide, manganese dioxide and aluminium chloride is
(0.2~0.3)：(0.6~0.8)：(1.2~1.6)：(1.8~2.4).Above-mentioned active component enables to desulphurization denitration to be catalyzed
Agent has high denitrification efficiency.
In an embodiment of the present invention, modified activated carbon is graphitization activated carbon or alcohol amination activated carbon.
Wherein, the preparation method of graphitization activated carbon comprises the following steps：
Ferric nitrate and sodium carbonate are added into activated carbon, is heat-treated 5~8h in 500~1000 DEG C in nitrogen atmosphere, so
After being dried successively with 0.4~0.6mol/L dust technologies, distillation water washing afterwards, that is, obtain graphitization activated carbon；Activated carbon, ferric nitrate
Mass ratio with sodium carbonate is 1：(0.1~0.2)：(0.2~0.3).
The preparation method of alcohol amination activated carbon comprises the following steps：
Triethanolamine and sodium hydroxide are added into activated carbon, it is heat-treated in 500~1000 DEG C 5 in nitrogen atmosphere~
8h, after then being dried successively with 0.4~0.6mol/L dust technologies, distillation water washing, that is, obtain graphitization activated carbon；Activated carbon,
The mass ratio of triethanolamine and sodium hydroxide is 1：(0.16~0.22)：(0.3~0.4).
In an embodiment of the present invention, activated carbon is cellular activated carbon in modified activated carbon, and the activated carbon has high suction
Attached effect, raising desulfurization off sulfide effect can be thrown.
The invention provides a kind of preparation method of high-efficiency flue gas desulfurization denitration catalyst, comprise the following steps：
Calculated by active component, the amount of co-catalyst and weigh corresponding preposition material, preposition material is dissolved in deionization
In water, modified activated carbon is stirring evenly and then adding into, after 40~60min of ultrasonic disperse, be placed in Muffle furnace, at 400~600 DEG C
Roasting, is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
The desulphurization denitration catalyst that above-mentioned technical proposal is prepared, there is good effect to desulphurization and denitration, can take off
Sulphur, the nitre gone in flue gas, it can be widely used in the large-scale fume emissions such as iron and steel enterprise, bituminous coal power plant, bituminous coal kiln, metallurgy industry
The catalytic denitration desulfurization of enterprise.
In an embodiment of the present invention, the preposition material of active component is yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate；Help
The preposition material of catalyst is ferric nitrate or nickel nitrate.
Illustrate the present invention, with reference to embodiment to high-efficiency flue gas desulfurization denitration catalyst provided by the invention and its preparation
Method is described in detail, but they can not be interpreted as into limiting the scope of the present invention.
Embodiment 1
The preparation method of graphitization activated carbon comprises the following steps：
Ferric nitrate and sodium carbonate are added into activated carbon, 6.5h is heat-treated in 750 DEG C in nitrogen atmosphere, then uses successively
After 0.5mol/L dust technologies, distillation water washing are dried, that is, obtain graphitization activated carbon；The matter of activated carbon, ferric nitrate and sodium carbonate
Amount is than being 1：0.15：0.25.
Embodiment 2
The preparation method of graphitization activated carbon comprises the following steps：
Ferric nitrate and sodium carbonate are added into activated carbon, 8h is heat-treated in 1000 DEG C in nitrogen atmosphere, then uses successively
After 0.6mol/L dust technologies, distillation water washing are dried, that is, obtain graphitization activated carbon；The matter of activated carbon, ferric nitrate and sodium carbonate
Amount is than being 1：0.2：0.3.
Embodiment 3
The preparation method of graphitization activated carbon comprises the following steps：
Ferric nitrate and sodium carbonate are added into activated carbon, 5h is heat-treated in 500 DEG C in nitrogen atmosphere, then uses successively
After 0.4mol/L dust technologies, distillation water washing are dried, that is, obtain graphitization activated carbon；The matter of activated carbon, ferric nitrate and sodium carbonate
Amount is than being 1：0.1：0.2.
Embodiment 4
Triethanolamine and sodium hydroxide are added into activated carbon, is heat-treated 8h in 500 DEG C in nitrogen atmosphere, then successively
After being dried with 0.4mol/L dust technologies, distillation water washing, that is, obtain graphitization activated carbon；Activated carbon, triethanolamine and hydroxide
The mass ratio of sodium is 1：0.16：0.3.
Embodiment 5
Triethanolamine and sodium hydroxide are added into activated carbon, 5h, Ran Houyi are heat-treated in 1000 DEG C in nitrogen atmosphere
After secondary use 0.6mol/L dust technologies, distillation water washing are dried, that is, obtain graphitization activated carbon；Activated carbon, triethanolamine and hydrogen-oxygen
The mass ratio for changing sodium is 1：0.22：0.4.
Embodiment 6
Triethanolamine and sodium hydroxide are added into activated carbon, 6.5h, Ran Houyi are heat-treated in 750 DEG C in nitrogen atmosphere
After secondary use 0.5mol/L dust technologies, distillation water washing are dried, that is, obtain graphitization activated carbon；Activated carbon, triethanolamine and hydrogen-oxygen
The mass ratio for changing sodium is 1：0.19：0.35.
Embodiment 7
High-efficiency flue gas desulfurization denitration catalyst include 2.62wt% yttrias, 1.79wt% cobaltosic oxides,
2.69wt% manganese dioxide, 0.90wt% aluminium chloride, 5wt% di-iron trioxides and graphitization made from 87wt% embodiments 1 are lived
Property charcoal；
Yttria, cobaltosic oxide, manganese dioxide, aluminium chloride, the amount of di-iron trioxide are calculated and weighed corresponding
Preposition material yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, ferric nitrate, by yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nitric acid
Iron is dissolved in deionized water, is stirring evenly and then adding into graphitization activated carbon, after ultrasonic disperse 40min, is placed in Muffle furnace,
It is calcined at 600 DEG C, is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
High-efficiency flue gas desulfurization denitration catalyst made from embodiment 7 on the support in fixed bed constant temperature zone, is warming up to
350 DEG C are passed through simulated flue gas, and smoke components are：2500ppmCO, 1000ppmSO2, 500ppmNO, nitrogen is Balance Air, air speed
For 2500h-1.Experimental result is：Sulphur Dioxide rate is 97.7%, and conversion of nitric oxide gas rate is 98.2%.
Embodiment 8
High-efficiency flue gas desulfurization denitration catalyst include 3.36wt% yttrias, 1.86wt% cobaltosic oxides,
2.69wt% manganese dioxide, 1.09wt% aluminium chloride, 6wt% nickel oxide and 85wt% apply graphitization activated carbon made from example 2；
Yttria, cobaltosic oxide, manganese dioxide, aluminium chloride, the amount of nickel oxide are calculated and weighed corresponding preposition
Material yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nickel nitrate, yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nickel nitrate is molten
In deionized water, graphitization activated carbon is stirring evenly and then adding into, after ultrasonic disperse 60min, be placed in Muffle furnace, at 400 DEG C
Lower roasting, it is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
High-efficiency flue gas desulfurization denitration catalyst made from embodiment 8 on the support in fixed bed constant temperature zone, is warming up to
350 DEG C are passed through simulated flue gas, and smoke components are：2500ppmCO, 1000ppmSO2, 500ppmNO, nitrogen is Balance Air, air speed
For 2500h-1.Experimental result is：Sulphur Dioxide rate is 97.2%, and conversion of nitric oxide gas rate is 98.3%.
Embodiment 9
High-efficiency flue gas desulfurization denitration catalyst include 4.58wt% yttrias, 2.04wt% cobaltosic oxides,
2.85wt% manganese dioxide, 1.53wt% aluminium chloride, 7wt% di-iron trioxides and graphitization made from 82wt% embodiments 3 are lived
Property charcoal；
Yttria, cobaltosic oxide, manganese dioxide, aluminium chloride, the amount of di-iron trioxide are calculated and weighed corresponding
Preposition material yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, ferric nitrate, by yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nitric acid
Iron is dissolved in deionized water, is stirring evenly and then adding into modified activated carbon, after ultrasonic disperse 55min, is placed in Muffle furnace, 550
It is calcined at DEG C, is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
High-efficiency flue gas desulfurization denitration catalyst made from embodiment 9 on the support in fixed bed constant temperature zone, is warming up to
350 DEG C are passed through simulated flue gas, and smoke components are：2500ppmCO, 1000ppmSO2, 500ppmNO, nitrogen is Balance Air, air speed
For 2500h-1.Experimental result is：Sulphur Dioxide rate is 97.6%, and conversion of nitric oxide gas rate is 98.9%.
Embodiment 10
High-efficiency flue gas desulfurization denitration catalyst include 5.55wt% yttrias, 2.0wt% cobaltosic oxides,
2.67wt% manganese dioxide, 1.78wt% aluminium chloride, 8wt% nickel oxide and alcohol amination activated carbon made from 80wt% embodiments 4；
Yttria, cobaltosic oxide, manganese dioxide, aluminium chloride, the amount of nickel oxide are calculated and weighed corresponding preposition
Material yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nickel nitrate, yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nickel nitrate is molten
In deionized water, alcohol amination activated carbon is stirring evenly and then adding into, after ultrasonic disperse 45min, be placed in Muffle furnace, at 450 DEG C
Lower roasting, it is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
High-efficiency flue gas desulfurization denitration catalyst made from embodiment 10 on the support in fixed bed constant temperature zone, is warming up to
350 DEG C are passed through simulated flue gas, and smoke components are：2500ppmCO, 1000ppmSO2, 500ppmNO, nitrogen is Balance Air, air speed
For 2500h-1.Experimental result is：Sulphur Dioxide rate is 98.1%, and conversion of nitric oxide gas rate is 98.9%.
Embodiment 11
High-efficiency flue gas desulfurization denitration catalyst include 3.93wt% yttrias, 1.96wt% cobaltosic oxides,
2.80wt% manganese dioxide, 1.31wt% aluminium chloride, 6.5wt% di-iron trioxides and hydramine made from 83.5wt% embodiments 5
Change activated carbon；
Yttria, cobaltosic oxide, manganese dioxide, aluminium chloride, the amount of di-iron trioxide are calculated and weighed corresponding
Preposition material yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, ferric nitrate, by yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nitric acid
Iron is dissolved in deionized water, is stirring evenly and then adding into alcohol amination activated carbon, after ultrasonic disperse 50min, is placed in Muffle furnace,
It is calcined at 500 DEG C, is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
High-efficiency flue gas desulfurization denitration catalyst made from embodiment 11 on the support in fixed bed constant temperature zone, is warming up to
350 DEG C are passed through simulated flue gas, and smoke components are：2500ppmCO, 1000ppmSO2, 500ppmNO, nitrogen is Balance Air, air speed
For 2500h-1.Experimental result is：Sulphur Dioxide rate is 97.4%, and conversion of nitric oxide gas rate is 98.6%.
Embodiment 12
High-efficiency flue gas desulfurization denitration catalyst includes 4wt% yttrias, 2wt% cobaltosic oxides, 2.9wt% bis-
Manganese oxide, 1.4wt% aluminium chloride, 6.3wt% di-iron trioxides and alcohol amination activated carbon made from 83.4wt% embodiments 6；
Yttria, cobaltosic oxide, manganese dioxide, aluminium chloride, the amount of di-iron trioxide are calculated and weighed corresponding
Preposition material yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, ferric nitrate, by yttrium nitrate, cobalt nitrate, manganese nitrate, aluminum nitrate, nitric acid
Iron is dissolved in deionized water, is stirring evenly and then adding into alcohol amination activated carbon, after ultrasonic disperse 60min, is placed in Muffle furnace,
It is calcined at 600 DEG C, is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
High-efficiency flue gas desulfurization denitration catalyst made from embodiment 12 on the support in fixed bed constant temperature zone, is warming up to
350 DEG C are passed through simulated flue gas, and smoke components are：2500ppmCO, 1000ppmSO2, 500ppmNO, nitrogen is Balance Air, air speed
For 2500h-1.Experimental result is：Sulphur Dioxide rate is 98.1%, and conversion of nitric oxide gas rate is 99.0%.
A kind of high-efficiency flue gas desulfurization denitration provided by the invention and preparation method thereof is described in detail above, this
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and its core concept of the invention, it is noted that for those skilled in the art,
Without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls
Enter in the protection domain of the claims in the present invention.
Claims (6)
1. a kind of high-efficiency flue gas desulfurization denitration catalyst, it is characterised in that helped including 8~12wt% active components, 5~8wt%
Catalyst and 80~87wt% carriers；
The active component includes yttria, cobaltosic oxide, manganese dioxide and aluminium chloride；
The co-catalyst is di-iron trioxide or nickel oxide；
The carrier is modified activated carbon；
The specific surface area of the molecular sieve is 350~500m2/ g, aperture are 0.8~1.2mL/g.
2. high-efficiency flue gas desulfurization denitration catalyst as claimed in claim 1, it is characterised in that the yttria, described
The mass ratio of cobaltosic oxide, the manganese dioxide and the aluminium chloride is (0.2~0.3)：(0.6~0.8)：(1.2~
1.6)：(1.8~2.4).
3. high-efficiency flue gas desulfurization denitration catalyst as claimed in claim 1, it is characterised in that the modified activated carbon is graphite
Change activated carbon or alcohol amination activated carbon.
4. high-efficiency flue gas desulfurization denitration catalyst as claimed in claim 3, it is characterised in that active in the modified activated carbon
Charcoal is cellular activated carbon.
5. a kind of preparation method of high-efficiency flue gas desulfurization denitration catalyst as described in any one of Claims 1 to 4, its feature exist
In comprising the following steps：
Calculated by active component, the amount of co-catalyst and weigh corresponding preposition material, preposition material is dissolved in deionized water,
It is stirring evenly and then adding into modified activated carbon, after 40~60min of ultrasonic disperse, is placed in Muffle furnace, is calcined at 400~600 DEG C,
It is cooled to room temperature and obtains high-efficiency flue gas desulfurization denitration catalyst.
6. preparation method as claimed in claim 5, it is characterised in that the preposition material of the active component is yttrium nitrate, nitre
Sour cobalt, manganese nitrate and aluminum nitrate；The preposition material of the co-catalyst is ferric nitrate or nickel nitrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652516.8A CN107519890B (en) | 2017-08-02 | 2017-08-02 | Efficient flue gas desulfurization and denitrification catalyst and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652516.8A CN107519890B (en) | 2017-08-02 | 2017-08-02 | Efficient flue gas desulfurization and denitrification catalyst and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107519890A true CN107519890A (en) | 2017-12-29 |
| CN107519890B CN107519890B (en) | 2020-04-17 |
Family
ID=60680553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652516.8A Active CN107519890B (en) | 2017-08-02 | 2017-08-02 | Efficient flue gas desulfurization and denitrification catalyst and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107519890B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961114A (en) * | 2018-09-30 | 2020-04-07 | 中国石油化工股份有限公司 | Desulfurization and denitrification catalyst and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989466A (en) * | 2012-12-27 | 2013-03-27 | 北京石油化工学院 | Flue gas desulfurization and denitrification catalyst for reduction method and applications of catalyst |
| CN105032403A (en) * | 2015-07-07 | 2015-11-11 | 四川大学 | Catalyst used for low temperature desulphurization and denitration of flue gas and preparation method thereof |
-
2017
- 2017-08-02 CN CN201710652516.8A patent/CN107519890B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989466A (en) * | 2012-12-27 | 2013-03-27 | 北京石油化工学院 | Flue gas desulfurization and denitrification catalyst for reduction method and applications of catalyst |
| CN105032403A (en) * | 2015-07-07 | 2015-11-11 | 四川大学 | Catalyst used for low temperature desulphurization and denitration of flue gas and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961114A (en) * | 2018-09-30 | 2020-04-07 | 中国石油化工股份有限公司 | Desulfurization and denitrification catalyst and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107519890B (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104162349B (en) | A kind of low-temperature denitration catalyst SO that suppresses2Poisoning method | |
| US20190224663A1 (en) | Preparation Method of Denitration Catalyst with Wide Operating Temperature Range for Flue Gas | |
| CN105327698B (en) | Using titanium-containing blast furnace slag as the preparation method of the Novel SCR catalyst for denitrating flue gas of carrier | |
| CN108295840A (en) | Manganese-based catalyst and its preparation and application of a kind of efficient synergistic purification nitrogen oxides He bioxin | |
| CN101602018B (en) | Method for preparing rare-earth element doped composite metal oxide mercury removal catalyst | |
| CN101791561B (en) | Desulphurization and denitration catalyst and preparation method thereof | |
| JP2012245444A (en) | Method for desulfurizing and denitrating sintering furnace exhaust gas | |
| CN108993476B (en) | Metal oxide-vanadate/TiO2Catalyst, preparation method and application thereof | |
| CN104437540A (en) | Phosphorus-resistant low-temperature SCR denitration catalyst and preparation method thereof | |
| CN106914245A (en) | A kind of activated carbon supported iron-based low temperature SCR denitration catalyst and its preparation method and application method | |
| CN105879879A (en) | High-sulfur-resistant ultralow-temperature SCR (Selective Catalytic Reduction) denitration catalyst and preparation method thereof | |
| CN103769083B (en) | A kind of NO_x Reduction by Effective composite oxide catalysts and its preparation method and application | |
| CN103433033A (en) | Low-temperature denitration catalyst MnOx-CeO2-TiO2-Al2O3, and preparation method and application thereof | |
| CN109351358A (en) | A kind of transition metal oxide composite catalyst and its preparation method and application | |
| CN105903477A (en) | Low temperature wide-active temperature window SCR denitration catalyst and preparation method thereof | |
| CN108355488B (en) | Waste gas circulating denitration method for iron ore pellets | |
| CN104096569A (en) | Sulfur-resistant and water-proof low temperature catalyst in flue gas denitration and preparation method thereof | |
| CN105289586B (en) | Spherical cerium manganese composite oxides low-temperature denitration catalyst and its preparation method and application | |
| CN101433855B (en) | Process for preparing SCR denitration catalyst and SCR denitration catalyst prepared by the method | |
| CN103736481A (en) | CeO2-MoO3/graphene low-temperature denitration catalyst and preparation method | |
| CN107185523B (en) | Preparation method of holmium modified denitration catalyst and product thereof | |
| CN109745995B (en) | Wide-temperature-window SCR flue gas denitration catalyst and preparation method and application thereof | |
| CN103055889A (en) | Low-temperature denitration MnOx-CuO-TiO2 catalyst as well as preparation method and application thereof | |
| CN107519890A (en) | High-efficiency flue gas desulfurization denitration catalyst and preparation method thereof | |
| CN106732547B (en) | Demercuration catalyst for low-temperature oxidation of zero-valent mercury in coal-fired flue gas 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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200326 Address after: 210000 room 298, building C, No. 606, ningliu Road, Changlu street, Jiangbei new district, Nanjing City, Jiangsu Province Applicant after: NANJING CHIBO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 230000 Anhui city of Hefei Province Economic and Technological Development Zone work northbound, Lotus Road West Lotus Park 8 Building 106 room Applicant before: HEFEI LONGYAN TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |