CN114643065A - Noble metal catalyst for catalytic oxidation of CO and preparation method thereof - Google Patents
Noble metal catalyst for catalytic oxidation of CO and preparation method thereof Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims abstract description 50
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 25
- 229910000510 noble metal Inorganic materials 0.000 title claims abstract description 17
- 230000003647 oxidation Effects 0.000 title claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000000498 ball milling Methods 0.000 claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 7
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 6
- 229910052737 gold Inorganic materials 0.000 claims abstract description 5
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 3
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 3
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 3
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 3
- 229910052762 osmium Inorganic materials 0.000 claims abstract description 3
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 3
- 229910052709 silver Inorganic materials 0.000 claims abstract description 3
- 229910052718 tin Inorganic materials 0.000 claims abstract description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 3
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000012856 weighed raw material Substances 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 abstract description 15
- 239000011593 sulfur Substances 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000013053 water resistant agent Substances 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 5
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 4
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 239000003426 co-catalyst Substances 0.000 description 4
- 235000011150 stannous chloride Nutrition 0.000 description 4
- 239000001119 stannous chloride Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8966—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with germanium, tin or lead
-
- 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
- B01J23/002—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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
- B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
- B01J23/626—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with tin
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0036—Grinding
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- 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
A noble metal catalyst for catalytic oxidation of CO and a preparation method thereof belong to the field of catalytic chemistry. Adopting one-step mechanical ball milling method to prepare anatase TiO2The surface is loaded with one or more than two of noble metals of Pt, Ag, Pd, Rh, Ir, Ru, Os or Au. And one or more than two of auxiliary agents of Co, Cr, Zr, Sn, Mo, W, Fe, Ce, Ni, Nb and the like are added. The catalyst comprises the following components in percentage by weight: TiO 2278-98.9 wt%, 0.1-2 wt% of noble metal and 1-20 wt% of assistant. The catalyst can realize complete CO conversion at about 140 ℃ and at about 180 ℃ in the presence of SO2And H2Under the condition of O, the sulfur-resistant and water-resistant agent has better sulfur-resistant and water-resistant effects, and continuous test lasts for about 60 hoursOn the right, the catalytic effect can be maintained above 95%.
Description
Technical Field
The invention relates to a catalyst for catalytic oxidation of CO and a preparation method thereof, which can be used for removing CO in tail gases of sintering, coking, boilers and the like, simultaneously recovering reaction heat and realizing efficient utilization of resources, and belongs to the field of environmental engineering.
Background
With the progress of society and the development of industry, the problem of environmental pollution is attracting people's attention increasingly, CO is one of the main pollutants in the atmosphere, and the control technology of CO is receiving more and more attention. The catalytic oxidation method is effective for removing COne of the methods of O, SO, is currently used due to the complex composition of domestic industrial flue gas2And H2The toxic action of components such as O on the catalyst seriously restricts the industrial application of the catalytic oxidation technology to remove CO. No mature catalyst suitable for industrial flue gas CO removal is available on the market today.
CN109569678A discloses a method for preparing a carbon monoxide catalytic combustion catalyst, which takes phosphate modified alumina as a carrier, loads one of noble metals Pt, Pd and Ru, and prepares a CO catalyst with good stability and sintering resistance by adding an active assistant and a forming assistant. CN109513447A discloses a preparation method of a carbon monoxide removal catalyst, which takes a mixture of titanium dioxide and alumina as a carrier, and loads an active component, namely manganese oxide heat exchange copper oxide, and the catalyst has good sulfur resistance. CN108452798A discloses a preparation method of catalytic oxidant for carbon monoxide, which uses TiO2Or CeO2The nano particles are used as carriers, Au, Pt or Pd nano particles are loaded, and SiO is wrapped around the carriers and the active component nano particles2And the catalyst has high temperature sintering resistance. CN106391007A discloses a method for preparing CO catalyst, which deposits noble metal active component on spinel structure oxide carrier containing auxiliary agent to form supported noble metal catalyst, which has higher stability under normal temperature and humidity condition. CN106582639A discloses a preparation method of a CO catalyst, which adopts a dipping reduction and urea deposition method to load noble metals Pt and Au on CeO in turn2On the carrier, the catalyst is suitable for purifying air in a closed cabin.
At present, the existing CO catalyst has very low activation temperature, but the sulfur resistance and water resistance are required to be improved, the activation temperature required by actual engineering application is not very low, particularly in the steel industry, and the smoke temperature is mostly above 120 ℃. Engineering application has high requirements on the sulfur resistance and water resistance of the catalyst, which is also the key to whether the catalyst can be applied or not.
Disclosure of Invention
Aiming at the urgent need of the catalyst suitable for removing industrial flue gas CO and the technical difficulties and development bottlenecks in the field of the CO oxidation catalyst at present. The catalyst for catalytic oxidation of CO and the preparation method thereof provided by the invention have the advantages of simple preparation process, suitability for large-scale production, excellent catalytic performance, good sulfur resistance and water resistance, and easiness in regeneration.
The technical scheme of the invention is as follows:
the invention adopts a one-step mechanical ball milling method to prepare TiO2A CO oxidation catalyst with noble metal and auxiliary agent loaded on the surface. The catalyst carrier is TiO2The active component of the catalyst is one or more than two of noble metals of Pt, Ag, Pd, Rh, Ir, Ru, Os or Au. The auxiliary agent is one or more than two of Co, Cr, Zr, Sn, Mo, W, Fe, Ce, Ni, Nb and the like. TiO 2278-98.9 wt%, 0.1-2 wt% of noble metal and 1-20 wt% of assistant.
A method of preparing a catalyst for the catalytic oxidation of CO, comprising the steps of:
(1) weighing raw materials such as titanium dioxide serving as a catalyst carrier raw material, metal salts corresponding to active component metals of the catalyst or/and corresponding metal acids such as chloroplatinic acid and the like, and metal salts corresponding to auxiliary metal or/and corresponding metal acids and the like;
(2) uniformly mixing the weighed raw materials, and adding the mixture into a ball milling tank;
(3) installing a ball milling tank filled with the mixed raw materials and agate balls in a planetary ball mill;
(4) the ball milling tank rotates forwards for 20-40 min under the rotating speed condition of 250-300 r/min and rotates backwards for 30-40 min under the rotating speed condition of 400-550 r/min, and after ball milling is finished, powder is taken out;
(5) roasting the powder at 400-450 deg.c for 2-3 hr, and cooling to obtain the catalyst powder.
The invention has the following advantages:
1. the invention has good CO catalytic performance, and the conversion rate of CO can be more than 95% at about 140 ℃.
2. The invention has good sulfur-resistant and water-resistant performance, is easy to regenerate, and greatly prolongs the service life of the catalyst.
3. The catalyst has the advantages of simple preparation process, short preparation period, no secondary pollution, and easy large-scale production and market popularization and application.
Drawings
FIG. 1 is a graph of the CO catalytic performance of catalyst # 1 obtained in example 1;
FIG. 2 is a graph showing the sulfur resistance and water resistance of catalyst # 2 obtained in example 1;
FIG. 3 is a graph of the CO catalytic performance of catalyst # 1 obtained in example 2;
FIG. 4 is a graph of the sulfur resistance versus water resistance of the catalyst # 2 obtained in example 2.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to the following examples.
Example 1:
weighing 27g of titanium dioxide, adding 0.5g of chloroplatinic acid, premixing uniformly, adding the materials into a ball milling tank, weighing 0.4g of stannous chloride, quickly adding the stannous chloride into the ball milling tank, performing clockwise ball milling for 20min at the rotating speed of 300r/min by using a planetary ball mill, then increasing the rotating speed to 480r/min, performing anticlockwise ball milling for 50min, after the ball milling is finished, taking out the catalyst powder, and roasting the catalyst powder in a muffle furnace at the temperature of 400 ℃ for 2.5 h. And after the catalyst is cooled to room temperature, drying, sealing and storing for later use, and marking as No. 1.
Example 2:
weighing 23.5g of titanium dioxide, adding 0.5g of chloroplatinic acid, premixing uniformly, adding the materials into a ball milling tank, weighing 0.73g of stannous chloride and 0.025g of ferric oxide, quickly adding the stannous chloride and the ferric oxide into the ball milling tank, performing clockwise ball milling for 35min at the rotating speed of 250r/min by using a planetary ball mill, increasing the rotating speed to 520r/min, performing anticlockwise ball milling for 35min, taking out catalyst powder after ball milling is finished, and roasting the catalyst powder in a muffle furnace for 2h at the temperature of 450 ℃. And after the catalyst is cooled to room temperature, drying, sealing and storing for later use, and marking as # 2.
Test example 1:
taking the catalyst # 1 in example 1 as an example, a CO catalysis experiment was performed to test the CO catalysis performance and the sulfur-resistant and water-resistant performance. MeasuringThe test smoke comprises the following components: CO content 8000ppm, O216% of SO2Content 50ppm, H2O content 20%, N2As balance gas, the space velocity is 30000h-1The CO catalytic efficiency is plotted against temperature in fig. 1. When the temperature of the flue gas reaches over 140 ℃, the catalytic effect can reach over 95 percent; the change curve of CO catalytic efficiency with time at 180 ℃ is shown in figure 2, the catalyst has good sulfur-resistant and water-resistant effects, can achieve a catalytic effect of more than 95% within 60 hours under the condition of sulfur and water, and has no obvious attenuation.
Test example 2:
taking the 2# catalyst in example 2 as an example, a CO catalysis experiment was performed to test the CO catalysis performance and the sulfur-resistant and water-resistant performance. Testing the components of the smoke: the CO content is 8000ppm, O2Content of 16% SO2Content 50ppm, H2O content 20%, N2As balance gas, the space velocity is 30000h-1The CO catalytic efficiency versus temperature curve is shown in fig. 3. When the temperature of the flue gas reaches more than 140 ℃, the catalytic effect can reach more than 96 percent; the CO catalytic efficiency at 180 ℃ is shown in FIG. 4 as a function of time. The catalyst has good sulfur-resistant and water-resistant effects, can achieve a catalytic effect of over 96 percent within 60 hours under the condition of sulfur and water, and has no obvious attenuation.
Claims (2)
1. A noble metal catalyst for the catalytic oxidation of CO, characterized in that TiO2A CO oxidation catalyst with noble metal and an auxiliary agent loaded on the surface; the catalyst carrier is TiO2The active component of the catalyst is one or more than two of noble metals of Pt, Ag, Pd, Rh, Ir, Ru, Os or Au; the auxiliary agent is one or more than two of Co, Cr, Zr, Sn, Mo, W, Fe, Ce, Ni and Nb; TiO 2278-98.9 wt%, 0.1-2 wt% of noble metal and 1-20 wt% of assistant.
2. The method of claim 1 for preparing a noble metal catalyst for the catalytic oxidation of CO, comprising the steps of:
(1) weighing a catalyst carrier raw material titanium dioxide, a metal salt corresponding to a catalyst active component metal or/and a corresponding metal acid such as a chloroplatinic acid raw material, and a metal salt corresponding to an auxiliary agent metal or/and a corresponding metal acid raw material;
(2) uniformly mixing the weighed raw materials, and adding the mixture into a ball milling tank;
(3) installing a ball milling tank filled with the mixed raw materials and agate balls in a planetary ball mill;
(4) the ball milling tank rotates forwards for 20-40 min under the rotating speed condition of 250-300 r/min and rotates backwards for 30-40 min under the rotating speed condition of 400-550 r/min, and after ball milling is finished, powder is taken out;
(5) roasting the powder at 400-450 deg.c for 2-3 hr, and cooling to obtain the catalyst powder.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258340A (en) * | 1991-02-15 | 1993-11-02 | Philip Morris Incorporated | Mixed transition metal oxide catalysts for conversion of carbon monoxide and method for producing the catalysts |
| US20040156771A1 (en) * | 2003-02-10 | 2004-08-12 | Nissan Motor Co., Ltd. | Method of reducing carbon monoxide concentration |
| CN102059127A (en) * | 2010-11-09 | 2011-05-18 | 华东理工大学 | Catalyst for CO normal temperature catalytic oxidation and preparation method thereof |
| CN102481549A (en) * | 2009-08-21 | 2012-05-30 | 苏德-化学公司 | Oxidation catalyst and method for destruction of co, voc and halogenated voc |
| CN103623873A (en) * | 2012-08-22 | 2014-03-12 | 吴秀勇 | Large-scale preparation research on and application of nano-catalyst for efficient oxidation of CO |
| CN103990470A (en) * | 2014-06-11 | 2014-08-20 | 华东理工大学 | Supported iridium catalyst applicable to oxidation reaction of carbon monoxide and preparation method of catalyst |
| CN107983366A (en) * | 2016-10-26 | 2018-05-04 | 中国科学院大连化学物理研究所 | A kind of resistance to hydro-thermal resistant to sulfur overall structure combustion catalyst and preparation method thereof |
| CN110479248A (en) * | 2019-08-19 | 2019-11-22 | 中山大学 | A kind of preparation method of metal oxide supported monatomic catalyst |
| CN111185167A (en) * | 2020-03-19 | 2020-05-22 | 中国科学院过程工程研究所 | Pt-based catalyst for CO purification and preparation method and application thereof |
| CN111569867A (en) * | 2020-04-20 | 2020-08-25 | 北京邮电大学 | Method for preparing supported noble metal VOCs degradation catalyst by ball milling method |
-
2020
- 2020-12-17 CN CN202011513450.2A patent/CN114643065A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5258340A (en) * | 1991-02-15 | 1993-11-02 | Philip Morris Incorporated | Mixed transition metal oxide catalysts for conversion of carbon monoxide and method for producing the catalysts |
| US20040156771A1 (en) * | 2003-02-10 | 2004-08-12 | Nissan Motor Co., Ltd. | Method of reducing carbon monoxide concentration |
| CN102481549A (en) * | 2009-08-21 | 2012-05-30 | 苏德-化学公司 | Oxidation catalyst and method for destruction of co, voc and halogenated voc |
| CN102059127A (en) * | 2010-11-09 | 2011-05-18 | 华东理工大学 | Catalyst for CO normal temperature catalytic oxidation and preparation method thereof |
| CN103623873A (en) * | 2012-08-22 | 2014-03-12 | 吴秀勇 | Large-scale preparation research on and application of nano-catalyst for efficient oxidation of CO |
| CN103990470A (en) * | 2014-06-11 | 2014-08-20 | 华东理工大学 | Supported iridium catalyst applicable to oxidation reaction of carbon monoxide and preparation method of catalyst |
| CN107983366A (en) * | 2016-10-26 | 2018-05-04 | 中国科学院大连化学物理研究所 | A kind of resistance to hydro-thermal resistant to sulfur overall structure combustion catalyst and preparation method thereof |
| CN110479248A (en) * | 2019-08-19 | 2019-11-22 | 中山大学 | A kind of preparation method of metal oxide supported monatomic catalyst |
| CN111185167A (en) * | 2020-03-19 | 2020-05-22 | 中国科学院过程工程研究所 | Pt-based catalyst for CO purification and preparation method and application thereof |
| CN111569867A (en) * | 2020-04-20 | 2020-08-25 | 北京邮电大学 | Method for preparing supported noble metal VOCs degradation catalyst by ball milling method |
Non-Patent Citations (1)
| Title |
|---|
| 王驰: "《典型有毒有害气体净化技术》", 冶金工业出版社, pages: 214 - 218 * |
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