CN110327925A - Coal Quito pore catalyst and its preparation method and application of carbon monoxide in a kind of removing sintering flue gas - Google Patents
Coal Quito pore catalyst and its preparation method and application of carbon monoxide in a kind of removing sintering flue gas Download PDFInfo
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- CN110327925A CN110327925A CN201910690364.XA CN201910690364A CN110327925A CN 110327925 A CN110327925 A CN 110327925A CN 201910690364 A CN201910690364 A CN 201910690364A CN 110327925 A CN110327925 A CN 110327925A
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- carbon monoxide
- coal
- flue gas
- sintering flue
- pore catalyst
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 135
- 229910002091 carbon monoxide Inorganic materials 0.000 title claims abstract description 85
- 239000003245 coal Substances 0.000 title claims abstract description 73
- 239000011148 porous material Substances 0.000 title claims abstract description 70
- 239000003054 catalyst Substances 0.000 title claims abstract description 52
- 239000003546 flue gas Substances 0.000 title claims abstract description 50
- 238000005245 sintering Methods 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 238000004070 electrodeposition Methods 0.000 claims abstract description 33
- 239000010949 copper Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 230000004913 activation Effects 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000571 coke Substances 0.000 claims abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 29
- 239000002659 electrodeposit Substances 0.000 claims description 28
- 239000007789 gas Substances 0.000 claims description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 239000003112 inhibitor Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229940068918 polyethylene glycol 400 Drugs 0.000 claims description 8
- 239000008246 gaseous mixture Substances 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 4
- 229940113115 polyethylene glycol 200 Drugs 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 239000012495 reaction gas Substances 0.000 description 9
- 238000004088 simulation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 239000011799 hole material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002203 pretreatment Methods 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 229960004424 carbon dioxide Drugs 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 102000001554 Hemoglobins Human genes 0.000 description 2
- 108010054147 Hemoglobins Proteins 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- B01D53/864—Removing carbon monoxide or hydrocarbons
-
- 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
- B01J23/72—Copper
-
- B01J35/399—
-
- 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
- B01J37/12—Oxidising
- B01J37/14—Oxidising with gases containing free oxygen
-
- 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
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/348—Electrochemical processes, e.g. electrochemical deposition or anodisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The present invention discloses a kind of coal Quito pore catalyst and its preparation method and application for removing carbon monoxide in sintering flue gas, coal Quito pore catalyst of carbon monoxide is matrix by coal based porous materials (one of active carbon, activated coke and activated carbon fiber) in the removing sintering flue gas, is prepared using electrodeposition process.Preparation mainly includes three substrate pretreatment, electro-deposition and activation steps.Using this method prepare copper-based catalysts structure distribution is uniform, porosity is big, large specific surface area, adsorption capacity are strong, be conducive to remove the carbon monoxide in sintering flue gas；And simple production process, cost is relatively low, safe operation, easy to implement.
Description
Technical field
The invention belongs to electro-deposition techniques fields, and in particular to a kind of coal Quito hole for removing carbon monoxide in sintering flue gas
Catalyst and its preparation method and application.
Background technique
Carbon monoxide is to be discharged into a kind of more gas pollutant of content in air, it can be with the intracorporal hemoglobin of people
In conjunction with weakening the oxygen carrying capacity of hemoglobin, damage the central nervous system of people, when the content of CO in Air is more than
30mg/m3When will be to the toxic effect of human body, it is therefore necessary to purify to carbon monoxide.Therefore, cryogenic conditions are realized
The elimination of lower carbon monoxide has important practical significance.In addition, the low temperature elimination of carbon monoxide is also widely applied very much, such as
Carbon monoxide in coal-fired flue-gas, the carbon monoxide generated in organic exhaust gas object burning process in chemical company refine in metallurgical industry
Carbon monoxide that is burnt, being generated in ironmaking processes, the carbon monoxide generated in the process of running using the internal combustion engine of diesel oil, gasoline.
It can be seen that the low temperature elimination of carbon monoxide is related to the multiple fields such as the energy, Environment, Health and Safety.In a numerous oxidations
In carbon removing method, catalytic oxidation because its low operation temperature, burning efficiency is high, environmental-friendly the features such as be considered most effective
A kind of approach.In the selective oxidation reaction of carbon monoxide, studying more catalyst has the noble metals bodies such as gold, platinum and rhodium
System, but since reserves are limited and higher cost limits the development of such catalyst.
Summary of the invention
To solve problems of the prior art, the purpose of the present invention is to provide an oxygen in a kind of removing sintering flue gas
Change coal Quito pore catalyst and its preparation method and application of carbon, the angle that the present invention is aoxidized from catalyzing carbon monoxide, system
Standby a kind of for removing coal Quito pore catalyst of carbon monoxide in sintering flue gas, simple production process, cost is relatively low, operation peace
Entirely, easy to implement.The catalyst structure produced is evenly distributed, porosity is big, large specific surface area, adsorption capacity are strong, is conducive to
Remove the carbon monoxide in sintering flue gas.
The purpose of the present invention is achieved through the following technical solutions:
Coal Quito pore catalyst preparation method of carbon monoxide, includes the following steps: in a kind of removing sintering flue gas
Copper sheet and coal based porous materials are put into electrodeposit liquid and carry out electro-deposition, obtains intermediate；
Intermediate is activated by the gaseous mixture of inert gas and oxygen, obtains an oxygen in the removing sintering flue gas
Change coal Quito pore catalyst of carbon；
When electro-deposition, coal based porous materials are as cathode, and for copper sheet as anode, electro-deposition is heavy using constant current and constant voltage
Long-pending mode, wherein temperature is 40~80 DEG C, and electrodeposition time is 60~90min, and current density is 0.001~0.5mA/
cm2；
The electrodeposit liquid is formulated by mantoquita, surface inhibitor and water, and the effect of the surface inhibitor is to make
The copper that electro-deposition obtains can be uniformly dispersed in the micropore of coal based porous materials, inhibit copper poly- on coal based porous materials surface
Collection.
Cu in electrodeposit liquid2+Concentration be 2~3mol/L, the concentration of surface inhibitor is 0.05~0.1mol/L.
The mantoquita uses [Cu (NH3)4]SO4Or Cu2(OH)2SO4。
The surface inhibitor uses polyethylene glycol 200 or polyethylene glycol 400.
Percentage by volume shared by oxygen is 0.5%~2% in gaseous mixture.
Activation temperature is 150~250 DEG C, and activation time is 30~60min.
The coal based porous materials use active carbon, activated coke or activated carbon fiber.
Before electro-deposition, first coal based porous materials are washed, coal based porous materials are cleaned, later to cleaning after
Coal based porous materials be dried, the coal based porous materials after drying are used for electro-deposition.
The process for preparation of the electrodeposit liquid includes:
Mantoquita, surface inhibitor are mixed with water, under the conditions of 20~60 DEG C, is sufficiently stirred, is completely dissolved mantoquita, obtain
To the electrodeposit liquid.
Coal Quito pore catalyst of carbon monoxide, removes sintering flue gas by aforementioned present invention in a kind of removing sintering flue gas
Coal Quito pore catalyst preparation method of middle carbon monoxide is made.
The application of coal Quito pore catalyst of carbon monoxide in a kind of removing sintering flue gas, one in the removing sintering flue gas
Coal Quito pore catalyst of carbonoxide is used to remove the carbon monoxide in sintering flue gas.
The invention has the following beneficial effects:
Coal Quito pore catalyst preparation method of carbon monoxide uses coal Quito hole material in removing sintering flue gas of the invention
Material is used as matrix, and active component Cu-series catalyst is uniformly attached to the hole of coal based porous materials using the method for electro-deposition
On, the specific surface area and porosity of catalyst are increased, therefore the activity of catalyst removal carbon monoxide can be significantly improved
And removal efficiency；Should, the active component used is cheap, therefore production cost is low, while process is simple, and it is easy to implement, and grasp
Make safety, preparation process no pollution to the environment.
Further, mantoquita uses [Cu (NH3)4]SO4Or Cu2(OH)2SO4, larger electricity can be caused using the complexing mantoquita
Chemical polarization.
Further, surface inhibitor uses polyethylene glycol 200 or polyethylene glycol 400, is existed using the surface inhibitor to copper
The inhibitory effect of coal based porous materials surface aggregation is more preferably.
Coal Quito pore catalyst of carbon monoxide passes through the preparation side of aforementioned present invention in removing sintering flue gas of the invention
Method is made, therefore its structure distribution is uniform, porosity is big, large specific surface area, adsorption capacity are strong, and activity is high, is conducive to removing and burns
The carbon monoxide in flue gas is tied, experiment shows coal Quito pore catalyst pair of carbon monoxide in removing sintering flue gas of the invention
The removal rate of the carbon monoxide in sintering flue gas is simulated up to 93%~96%, to carbon monoxide removal efficiency with higher, is protected
Demonstrate,prove removal effect.
Coal Quito pore catalyst of carbon monoxide is applied in removing sintering flue gas in removing sintering flue gas of the invention
When carbon monoxide, to carbon monoxide removal rate with higher, guarantee removal effect.
Specific embodiment
Below with reference to embodiment, the present invention is described further.
Coal Quito pore catalyst preparation method of carbon monoxide in removing sintering flue gas of the invention, which is characterized in that packet
Include following steps:
(1) pre-treatment of coal based porous materials
The method of coal based porous materials pre-treatment is to wash coal based porous materials, dry, and obtains clean coal base
Porous material.Active carbon, activated coke or activated carbon fiber can be used in coal based porous materials.
(2) electro-deposition
It configures electrodeposit liquid: preparing the mixture of mantoquita and surface inhibitor, then feed the mixture into water, Huo Zhezhi
It connects and mixes mantoquita, surface inhibitor and water, later under the conditions of 20~60 DEG C, after 1~2h of reaction is sufficiently stirred, make copper
Salt is completely dissolved, and obtains electrodeposit liquid.Wherein, [Cu (NH can be used in mantoquita3)4]SO4Or Cu2(OH)2SO4.Surface inhibitor can
Using polyethylene glycol 200 or polyethylene glycol 400.The effect of surface inhibitor is that the copper for obtaining electro-deposition uniformly disperses
In the micropore of coal based porous materials, copper is inhibited largely to assemble on coal based porous materials surface.Cu in electrodeposit liquid2+Concentration be
2~3mol/L, the concentration of surface inhibitor are 0.05~0.1mol/L.
Utilize above-mentioned configuration electrodeposit liquid carry out electro-deposition: by after pre-treatment coal based porous materials and copper sheet be put into and match
Electro-deposition is carried out in the electrodeposit liquid made, obtains intermediate.Wherein, the coal based porous materials after pre-treatment immerse electrodeposit liquid
In and as cathode, copper sheet is as anode.By the way of constant current and constant voltage deposition, temperature is 40~80 DEG C for electro-deposition,
Electrodeposition time is 60~90min, and current density is 0.001~0.5mA/cm2。
(3) it activates
The intermediate obtained after electro-deposition is activated by the gaseous mixture of inert gas and oxygen.The specific behaviour of activation
Work is put into intermediate in vertical tube electric furnace, under the atmosphere of activation gas (i.e. the gaseous mixture of inert gas and oxygen), in
150~250 DEG C of 30~60min of heating complete activation, obtain coal Quito hole of carbon monoxide in removing sintering flue gas of the invention
Catalyst.Wherein, percentage by volume shared by oxygen is 0.5%~2% in gaseous mixture.
The electro-deposition method that the present invention uses can make copper uniformly slowly be deposited in the hole of matrix, further activate
Coal Quito pore catalyst is obtained, so that the specific surface area of catalyst increases, improves the removal efficiency of carbon monoxide.
Embodiment 1
Active carbon is washed, active carbon is cleaned, active carbon is dried later.By [Cu (NH3)4]SO4With poly- second two
The mixture of alcohol 200 sequentially adds in water, configures electrodeposit liquid, Cu in electrodeposit liquid2+Concentration be 2mol/L, polyethylene glycol
Concentration is 0.05mol/L.Under the conditions of 25 DEG C, make [Cu (NH after reaction 1.5h is sufficiently stirred3)4]SO4It is completely dissolved, obtains institute
Electrodeposit liquid is stated, which is copper electrodeposit liquid.Dry active carbon is immersed in electrodeposit liquid and as cathode, by copper
Plate is as anode, and when electro-deposition by the way of constant current and constant voltage deposition, temperature is 40 DEG C, electrodeposition time 60min,
Current density is 0.005mA/cm2, intermediate is obtained after electro-deposition.The intermediate is put into vertical tube electric furnace later,
It is activated under the atmosphere of nitrogen and oxygen mixture, when activation, in 150 DEG C of heating 35min, completes activation, obtain removing and burn
Coal Quito pore catalyst of carbon monoxide in flue gas is tied, activating percentage by volume shared by oxygen in gas is 0.5%.
Catalytic activity test is carried out to coal Quito pore catalyst of carbon monoxide in obtained removing sintering flue gas: containing an oxygen
Change the simulation reaction gas composition of carbon are as follows: carbon monoxide (10ml/min), oxygen (10ml/min) and Balance Air N2(100ml/
Min), gas flow is controlled by spinner flowmeter, is passed through in reaction tube after gas mixing.
The calculation formula of carbon monoxide removal efficiency is as follows: carbon monoxide removal efficiency=(carbon monoxide contains in unstripped gas
Carbon monoxide content in amount-tail gas) content × 100% of carbon monoxide in/unstripped gas.
Coal Quito pore catalyst of carbon monoxide in 40mg removing sintering flue gas will be taken to be seated in crystal reaction tube, controlled
Reaction temperature is 275 DEG C, is passed through simulation reaction gas contain carbon monoxide, carbonomonoxide concentration in detection disengaging gas；On
The coal Quito pore catalyst for stating carbon monoxide in the removing sintering flue gas of method preparation takes off carbon monoxide in simulation reaction gas
Except rate is 96%.
Embodiment 2
Activated coke is washed, activated coke is cleaned, activated coke is dried later.By Cu2(OH)2SO4And polyethylene glycol
400 mixture sequentially adds in water, configures electrodeposit liquid, Cu in electrodeposit liquid2+Concentration be 2.5mol/L, polyethylene glycol
400 concentration is 0.08mol/L.Under the conditions of 40 DEG C, make Cu after reaction 2h is sufficiently stirred2(OH)2SO4It is completely dissolved, obtains electricity
Deposit liquid.It by dry activated coke, immerses in electrodeposit liquid and as cathode, using fine copper plate as anode, when electro-deposition is used
The mode of constant current and constant voltage deposition, temperature are 60 DEG C, electrodeposition time 70min, current density 0.35mA/cm2, electricity
Intermediate is obtained after deposition.The intermediate is put into vertical tube electric furnace later, in the gas of carbon dioxide and oxygen activation gas
It is activated under atmosphere, when activation, in 200 DEG C of heating 45min, completes activation, obtain the coal of carbon monoxide in removing sintering flue gas
Quito pore catalyst, activating percentage by volume shared by oxygen in gas is 1.4%.
Catalytic activity test is carried out to coal Quito pore catalyst of carbon monoxide in obtained removing sintering flue gas: containing an oxygen
Change the simulation reaction gas composition of carbon are as follows: carbon monoxide (10ml/min), oxygen (10ml/min) and Balance Air N2(100ml/
Min), gas flow is controlled by spinner flowmeter, is passed through in reaction tube after gas mixing.
The calculation formula of carbon monoxide removal efficiency is as follows: carbon monoxide removal efficiency=(carbon monoxide contains in unstripped gas
Carbon monoxide content in amount-tail gas) content × 100% of carbon monoxide in/unstripped gas.
Coal Quito pore catalyst of carbon monoxide in 40mg removing sintering flue gas will be taken to be seated in crystal reaction tube, controlled
Reaction temperature is 275 DEG C, is passed through simulation reaction gas contain carbon monoxide, carbonomonoxide concentration in detection disengaging gas；On
The coal Quito pore catalyst for stating carbon monoxide in the removing sintering flue gas of method preparation takes off carbon monoxide in simulation reaction gas
Except rate is 93%.
Embodiment 3
Activated carbon fiber is washed, activated carbon fiber is cleaned, activated carbon fiber is dried later.By [Cu
(NH3)4]SO4It is sequentially added in water with the mixture of polyethylene glycol 400, configures electrodeposit liquid, Cu in electrodeposit liquid2+Concentration be
3mol/L, the concentration of polyethylene glycol 400 are 0.09mol/L.Under the conditions of 60 DEG C, make [Cu (NH after reaction 2h is sufficiently stirred3)4]
SO4It is completely dissolved, obtains electrodeposit liquid.Dry activated carbon fiber is immersed in electrodeposit liquid and as cathode, copper sheet conduct
Anode, electro-deposition is by the way of constant current and constant voltage deposition, and temperature is 80 DEG C, electrodeposition time 90min, current density
For 0.5mA/cm2, intermediate is obtained after electro-deposition.The intermediate is put into vertical tube electric furnace later, in nitrogen and oxygen
It activates and is activated under the atmosphere of gas, when activation, in 240 DEG C of heating 60min, complete activation, obtain removing one in sintering flue gas
Coal Quito pore catalyst of carbonoxide, activating percentage by volume shared by oxygen in gas is 1.8%.
Catalytic activity test is carried out to coal Quito pore catalyst of carbon monoxide in obtained removing sintering flue gas: containing an oxygen
Change the simulation reaction gas composition of carbon are as follows: carbon monoxide (10ml/min), oxygen (10ml/min) and Balance Air N2(100ml/
Min), gas flow is controlled by spinner flowmeter, is passed through in reaction tube after gas mixing.
The calculation formula of carbon monoxide removal efficiency is as follows: carbon monoxide removal efficiency=(carbon monoxide contains in unstripped gas
Carbon monoxide content in amount-tail gas) content × 100% of carbon monoxide in/unstripped gas.
Coal Quito pore catalyst of carbon monoxide in 40mg removing sintering flue gas will be taken to be seated in crystal reaction tube, controlled
Reaction temperature is 275 DEG C, is passed through simulation reaction gas contain carbon monoxide, carbonomonoxide concentration in detection disengaging gas；On
The coal Quito pore catalyst for stating carbon monoxide in the removing sintering flue gas of method preparation takes off carbon monoxide in simulation reaction gas
Except rate is 94%.
Claims (10)
1. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas, which is characterized in that including as follows
Step:
Copper sheet and coal based porous materials are put into electrodeposit liquid and carry out electro-deposition, obtains intermediate；
Intermediate is activated by the gaseous mixture of inert gas and oxygen, obtains carbon monoxide in the removing sintering flue gas
Coal Quito pore catalyst；
When electro-deposition, coal based porous materials are deposited as anode, electro-deposition using constant current and constant voltage as cathode, copper sheet
Mode, wherein temperature is 40~80 DEG C, and electrodeposition time is 60~90min, and current density is 0.001~0.5mA/cm2；
The electrodeposit liquid is formulated by mantoquita, surface inhibitor and water.
2. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, Cu in electrodeposit liquid2+Concentration be 2~3mol/L, the concentration of surface inhibitor is 0.05~0.1mol/L.
3. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, the mantoquita uses [Cu (NH3)4]SO4Or Cu2(OH)2SO4。
4. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, the surface inhibitor uses polyethylene glycol 200 or polyethylene glycol 400.
5. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, percentage by volume shared by oxygen is 0.5%~2% in gaseous mixture.
6. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, activation temperature is 150~250 DEG C, activation time is 30~60min.
7. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, the coal based porous materials use active carbon, activated coke or activated carbon fiber.
8. coal Quito pore catalyst preparation method of carbon monoxide in a kind of removing sintering flue gas according to claim 1,
It is characterized in that, first being washed to coal based porous materials before electro-deposition, coal based porous materials are cleaned, later to clear
Coal based porous materials after clean are dried, and the coal based porous materials after drying are used for electro-deposition；
The process for preparation of the electrodeposit liquid includes:
Mantoquita, surface inhibitor are mixed with water, under the conditions of 20~60 DEG C, is sufficiently stirred, is completely dissolved mantoquita, obtain institute
State electrodeposit liquid.
9. a kind of coal Quito pore catalyst by carbon monoxide in removing sintering flue gas described in claim 1-8 any one
Coal Quito pore catalyst of carbon monoxide in preparation method removing sintering flue gas obtained.
10. coal Quito pore catalyst of carbon monoxide is sintered cigarette in removing in a kind of removing sintering flue gas as claimed in claim 9
The application of carbon monoxide in gas.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406122A (en) * | 2013-08-06 | 2013-11-27 | 湖南师范大学 | Catalyst for desorbing nitrogen oxides and carbon monoxide at low temperature and preparation method thereof |
| CN104233379A (en) * | 2014-09-05 | 2014-12-24 | 昆明理工大学 | Electro-deposition preparation method of carbon nano tube-copper base composite powder |
| CN106337275A (en) * | 2016-09-11 | 2017-01-18 | 浙江理工大学 | Spherical Cu2O crystal thin film on surface of activated carbon fiber and preparation method of spherical Cu2O crystal thin film |
| CN107201535A (en) * | 2017-04-17 | 2017-09-26 | 南昌大学 | A kind of method for preparing graphene/copper composite material using aerobic sintering |
| CN108744993A (en) * | 2018-07-20 | 2018-11-06 | 大连海事大学 | A kind of method that dynamic electrochemical deposition prepares electro-catalysis carbon membrane |
-
2019
- 2019-07-29 CN CN201910690364.XA patent/CN110327925A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406122A (en) * | 2013-08-06 | 2013-11-27 | 湖南师范大学 | Catalyst for desorbing nitrogen oxides and carbon monoxide at low temperature and preparation method thereof |
| CN104233379A (en) * | 2014-09-05 | 2014-12-24 | 昆明理工大学 | Electro-deposition preparation method of carbon nano tube-copper base composite powder |
| CN106337275A (en) * | 2016-09-11 | 2017-01-18 | 浙江理工大学 | Spherical Cu2O crystal thin film on surface of activated carbon fiber and preparation method of spherical Cu2O crystal thin film |
| CN107201535A (en) * | 2017-04-17 | 2017-09-26 | 南昌大学 | A kind of method for preparing graphene/copper composite material using aerobic sintering |
| CN108744993A (en) * | 2018-07-20 | 2018-11-06 | 大连海事大学 | A kind of method that dynamic electrochemical deposition prepares electro-catalysis carbon membrane |
Non-Patent Citations (8)
| Title |
|---|
| A.SUBRENAT，ET AL.: "Electrodeposition of copper and iron oxides on to activated carbon fibre cloths: Application to H2S and NH3 removal from air", 《ENVIRONMENTAL TECHNOLOGY》 * |
| 付军丽等: "《纳米磁性材料》", 30 September 2018, 中央民族大学出版社 * |
| 代海宁: "《电化学基本原理及应用》", 31 March 2014, 冶金工业出版社 * |
| 占稳，等: "聚乙二醇和2-巯基苯并噻唑在碱性条件下对铜电沉积行为的影响", 《电镀与环保》 * |
| 屠振密主编: "《电镀合金原理与工艺》", 31 August 1993, 国防工业出版社 * |
| 日本化学会编: "《无机化合物合成手册 第一卷》", 31 October 1983, 化学工业出版社 * |
| 杨培霞等编著: "《现代电化学表面处理专论》", 31 October 2016, 哈尔滨工业大学出版社 * |
| 胡信国等编著: "《现代防护装饰性电镀》", 30 March 1989, 哈尔滨工业大学出版社 * |
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