CN110801842A - Catalyst for preparing chlorine gas by catalytic oxidation of hydrogen chloride and preparation method and application thereof - Google Patents
Catalyst for preparing chlorine gas by catalytic oxidation of hydrogen chloride and preparation method and application thereof Download PDFInfo
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- CN110801842A CN110801842A CN201911169310.5A CN201911169310A CN110801842A CN 110801842 A CN110801842 A CN 110801842A CN 201911169310 A CN201911169310 A CN 201911169310A CN 110801842 A CN110801842 A CN 110801842A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910000041 hydrogen chloride Inorganic materials 0.000 title claims abstract description 24
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 18
- 230000003647 oxidation Effects 0.000 title claims abstract description 12
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 title claims description 6
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000460 chlorine Substances 0.000 claims abstract description 15
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 15
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 11
- 229910052777 Praseodymium Inorganic materials 0.000 claims abstract description 11
- 229910052772 Samarium Inorganic materials 0.000 claims abstract description 11
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 8
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 8
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 8
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 6
- 229910000612 Sm alloy Inorganic materials 0.000 claims abstract description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 17
- 239000002244 precipitate Substances 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000011259 mixed solution Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000000967 suction filtration Methods 0.000 claims description 10
- 241000219782 Sesbania Species 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 238000004898 kneading Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910002492 Ce(NO3)3·6H2O Inorganic materials 0.000 claims description 4
- 229910002422 La(NO3)3·6H2O Inorganic materials 0.000 claims description 4
- 229910002828 Pr(NO3)3·6H2O Inorganic materials 0.000 claims description 4
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229910021117 Sm(NO3)3 Inorganic materials 0.000 claims description 2
- 229910002852 Sm(NO3)3·6H2O Inorganic materials 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 abstract description 4
- 238000000975 co-precipitation Methods 0.000 abstract description 3
- 239000010949 copper Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical compound [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—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
- B01J23/83—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 rare earths or actinides
-
- B01J35/50—
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/04—Preparation of chlorine from hydrogen chloride
Abstract
The invention discloses a catalyst for preparing chlorine by catalytic oxidation of hydrogen chloride, a preparation method and application thereof2O3The weight content of (A) is 24.6-47.2%, SiO2The weight content of the Cu-La-Ce-Pr-Sm alloy is 25.7-47%, and the weight contents of Cu, La, Ce, Pr, Sm and K elements are respectively Cu: 0.8-16%, La: 0.8-9%, Ce: 0.7-8%, Pr: 0.7-8%, Sm: 0.8-9%, K: 0.5 to 5 percent. In the preparation process, the coprecipitation method, the powder mixing method and the impregnation method are adopted in sequence, so that the active components are uniformly distributed and are not easy to flowLosing the advantages of the prior art.
Description
Technical Field
The invention relates to a catalyst for preparing chlorine by catalytic oxidation of hydrogen chloride, a preparation method and application thereof.
Background
The chlorine gas is prepared by taking hydrogen chloride and oxygen as raw materials and reacting under the action of a catalyst and under a certain temperature condition, and the chlorine gas is prepared by catalytic oxidation of a chlorine industrial byproduct hydrogen chloride, which is an exothermic reaction, so that the cyclic utilization of chlorine resources can be realized.
The research on catalysts for preparing chlorine by catalytic oxidation of hydrogen chloride has been reported, for example, copper-based, ruthenium-based, chromium-based catalysts, and the like, and the preparation methods include an impregnation method, a sol-gel method, and the like.
Disclosure of Invention
The invention aims to provide a catalyst for preparing chlorine by catalytic oxidation of hydrogen chloride, a preparation method and application thereof. The catalyst is prepared by a coprecipitation method and an impregnation method, and has the advantages of uniform distribution of active components and low loss tendency.
In the catalyst of the present invention, Al2O3The weight content of (A) is 24.6-47.2%, SiO2The weight content of the Cu-La-Ce-Pr-Sm alloy is 25.7-47%, and the weight contents of Cu, La, Ce, Pr, Sm and K elements are respectively Cu: 0.8-16%, La: 0.8-9%, Ce: 0.7-8%, Pr: 0.7-8%, Sm: 0.8-9%, K: 0.5 to 5 percent.
The preparation method of the catalyst comprises the following steps:
(1) adding Cu (NO)3)2·3H2O、La(NO3)3·6H2O、Ce(NO3)3·6H2O、Pr(NO3)3·6H2O、Sm(NO3)3And Al (NO)3)3·9H2Dissolving the O in deionized water to obtain a mixed solution;
Cu(NO3)2·3H2O、La(NO3)3·6H2O、Ce(NO3)3·6H2O、Pr(NO3)3·6H2O、Sm(NO3)3·6H2o and Al (NO)3)3·9H2The weight ratio of O is 3-60.8: 2.5-28.1: 2.2-24.8: 2.2-24.7: 2.4-26.6: 180.7-347.6;
(2) slowly adding (NH4) into the mixed solution in the step (1) under stirring2CO3Controlling the pH value of the solution and ammonia water to be 7.5-8.5, preferably 8, stirring for 2-3 h, standing for 6-10 h, performing suction filtration, sequentially washing precipitates with deionized water and absolute ethyl alcohol for 3 times, and performing suction filtration to obtain precipitates;
(3) drying the precipitate obtained in the step (2) at 100-120 ℃ for 10-24 h, and then roasting at 800-900 ℃ for 3-6 h to obtain a composite oxide of Cu, La, Ce, Pr, Sm and Al;
(4) mixing the composite oxide in the step (3) with SiO2Grinding and uniformly mixing the powder to obtain powder, then adding water, citric acid and sesbania powder into the powder, uniformly mixing and kneading, then extruding and molding, drying at 105-140 ℃ for 6-10 h, and roasting at 600-650 ℃ for 4-6 h to obtain granular solid;
SiO2powder and Al (NO)3)3·9H2The weight ratio of O is 25.7-47: 180.7-347.6;
the weight ratio of the water to the citric acid to the sesbania powder to the powder which is ground and uniformly mixed is 0.6-1.2: 0.01-0.08: 0.01-0.05: 1;
(5) dissolving KCl in water to form a KCl solution;
KCl and Al (NO)3)3·9H2The weight ratio of O is 1-9.5: 180.7-347.6;
(6) soaking the granular solid in the step (4) in a KCl solution, standing for 12-15 h, drying at 100-115 ℃ for 12-15 h, and roasting at 400-600 ℃ for 3-6 h to obtain the catalyst for preparing chlorine through catalytic oxidation of hydrogen chloride;
the catalyst prepared by the method can be used for preparing chlorine by hydrogen chloride catalytic oxidation reaction, and the preparation method comprises the following steps:
the catalyst is placed in a reaction tube of a fixed bed reactor, and hydrogen chloride catalytic oxidation reaction is carried out under certain conditions to obtain chlorine.
The invention has the beneficial effects that: the preparation process of the catalyst adopts a coprecipitation method, a powder mixing method and an impregnation method in sequence, and has the advantages of uniform distribution of active components and low loss probability.
Detailed Description
Example 1
The preparation steps of the granular catalyst are as follows:
(1) 23gCu (NO)3)2·3H2O、10gLa(NO3)3·6H2O、10gCe(NO3)3·6H2O、6gPr(NO3)3·6H2O、7gSm(NO3)3·6H2O and 330g Al (NO)3)3·9H2Dissolving O in 1500g of deionized water to obtain a mixed solution;
(2) slowly adding (NH) into the mixed solution in the step (1) under stirring4)2CO3Controlling the pH value of the solution and ammonia water to be about 8, stirring for 2h, standing for 6h, performing suction filtration, sequentially washing precipitates with deionized water and absolute ethyl alcohol for 3 times, and performing suction filtration to obtain precipitates;
(3) drying the precipitate obtained in the step (2) at 100 ℃ for 10h, and then roasting at 800 ℃ for 3h to obtain a composite oxide of Cu, La, Ce, Pr, Sm and Al;
(4) mixing the composite oxide obtained in the step (3) with 46gSiO2Grinding and uniformly mixing the powder to obtain powder, then adding 89g of water, 5g of citric acid and 3.5g of sesbania powder into the powder, uniformly mixing and kneading, then carrying out extrusion molding, drying for 6 hours at 105 ℃, and roasting for 4 hours at 600 ℃ to obtain granular solid;
(5) dissolving 5g of KCl with 60g of water to form a KCl solution;
(6) and (3) impregnating the granular solid in the step (4) with a KCl solution, standing for 12h, drying at 100 ℃ for 12h, and finally roasting at 400 ℃ for 3h to obtain the granular catalyst.
The reaction condition for preparing chlorine gas by hydrogen chloride catalytic oxidation reaction is that the volume ratio of HCl to O is2Is 2:1, and the space velocity of the hydrogen chloride is 450h-1The reaction temperature is 380 ℃ and the reaction pressure is 0.2 Mpa. When the reaction time reached 100h, the conversion of HCl was 78%.
Example 2
(1) Mixing 25gCu (NO)3)2·3H2O、12gLa(NO3)3·6H2O、11gCe(NO3)3·6H2O、7gPr(NO3)3·6H2O、8gSm(NO3)3·6H2O and 300g Al (NO)3)3·9H2Dissolving O in 1300g of deionized water to obtain a mixed solution;
(2) stirring the mixtureSlowly adding (NH) into the mixed solution in the step (1) under stirring conditions4)2CO3Controlling the pH value of the solution and ammonia water to be about 8, stirring for 3h, standing for 8h, performing suction filtration, sequentially washing precipitates with deionized water and absolute ethyl alcohol for 3 times, and performing suction filtration to obtain precipitates;
(3) drying the precipitate obtained in the step (2) at 115 ℃ for 15h, and then roasting at 900 ℃ for 5h to obtain a composite oxide of Cu, La, Ce, Pr, Sm and Al;
(4) mixing the composite oxide obtained in the step (3) with 44gSiO2Grinding and uniformly mixing the powder to obtain powder, then adding 109g of water, 5.5g of citric acid and 3g of sesbania powder into the powder, uniformly mixing and kneading, then carrying out extrusion molding, drying for 8 hours at 120 ℃, and roasting for 5 hours at 650 ℃ to obtain granular solid;
(5) dissolving 6g of KCl with 56g of water to form a KCl solution;
(6) and (3) impregnating the granular solid in the step (4) with a KCl solution, standing for 15h, drying at 115 ℃ for 15h, and finally roasting at 450 ℃ for 4h to obtain the granular catalyst.
The reaction conditions for producing chlorine by the catalytic oxidation reaction of hydrogen chloride were the same as in example 1.
When the reaction time reached 100h, the conversion of HCl was 80%.
Example 3
(1) 27gCu (NO)3)2·3H2O、13gLa(NO3)3·6H2O、12gCe(NO3)3·6H2O、9gPr(NO3)3·6H2O、9gSm(NO3)3·6H2O、280g Al(NO3)3·9H2Dissolving O in 1200g of deionized water to obtain a mixed solution;
(2) slowly adding (NH) into the mixed solution in the step (1) under stirring4)2CO3Controlling the pH value of the solution and ammonia water to be about 8, stirring for 3 hours, standing for 10 hours, carrying out suction filtration, sequentially washing precipitates with deionized water and absolute ethyl alcohol for 3 times, and carrying out suction filtration again to obtain precipitates;
(3) putting the precipitate obtained in the step (2) into a drying oven, drying for 24h at 120 ℃, and then roasting for 6h at 850 ℃ to obtain the composite oxide of Cu, La, Ce, Pr, Sm and Al;
(4) mixing the composite oxide obtained in the step (3) with 41gSiO2Grinding and uniformly mixing the powder to obtain powder, then adding 95g of water, 5.6g of citric acid and 2.7g of sesbania powder into the powder, uniformly mixing and kneading, then extruding and molding, drying at 140 ℃ for 10 hours, and roasting at 650 ℃ for 6 hours to obtain granular solid;
(5) dissolving 7g of KCl with 55g of water to form a KCl solution;
(6) and (3) impregnating the granular solid in the step (4) with a KCl solution, standing for 15h, drying at 115 ℃ for 15h, and finally roasting at 450 ℃ for 4h to obtain the granular catalyst.
The reaction conditions for producing chlorine by the catalytic oxidation reaction of hydrogen chloride were the same as in example 1. When the reaction time reached 100h, the conversion of HCl was 81%.
Claims (10)
1. The catalyst for preparing chlorine gas by catalytic oxidation of hydrogen chloride is characterized in that Al in the catalyst2O3The weight content of (A) is 24.6-47.2%, SiO2The weight content of the Cu-La-Ce-Pr-Sm alloy is 25.7-47%, and the weight contents of Cu, La, Ce, Pr, Sm and K elements are respectively Cu: 0.8-16%, La: 0.8-9%, Ce: 0.7-8%, Pr: 0.7-8%, Sm: 0.8-9%, K: 0.5 to 5 percent.
2. The method for preparing a catalyst according to claim 1, comprising the steps of:
(1) adding Cu (NO)3)2·3H2O、La(NO3)3·6H2O、Ce(NO3)3·6H2O、Pr(NO3)3·6H2O、Sm(NO3)3And Al (NO)3)3·9H2Dissolving the O in deionized water to obtain a mixed solution;
Cu(NO3)2·3H2O、La(NO3)3·6H2O、Ce(NO3)3·6H2O、Pr(NO3)3·6H2O、Sm(NO3)3·6H2o and Al (NO)3)3·9H2The weight ratio of O is 3-60.8: 2.5-28.1: 2.2-24.8: 2.2-24.7: 2.4-26.6: 180.7-347.6;
(2) adding (NH4) into the mixed solution in the step (1)2CO3Controlling the pH value of the solution and ammonia water to be 7.5-8.5, and performing suction filtration to obtain a precipitate;
(3) drying the precipitate obtained in the step (2), and then roasting to obtain a composite oxide of Cu, La, Ce, Pr, Sm and Al;
(4) mixing the composite oxide in the step (3) with SiO2Grinding and mixing the powder to obtain powder, then adding water, citric acid and sesbania powder into the powder, uniformly mixing and kneading, then extruding, molding, drying and roasting to obtain granular solid;
(5) dissolving KCl in water to form a KCl solution;
(6) and (4) soaking the granular solid in the step (4) in a KCl solution, drying and roasting to obtain the catalyst for preparing chlorine through catalytic oxidation of hydrogen chloride.
3. The method according to claim 2, wherein in the step (2), the mixed solution in the step (1) is added with (NH4)2CO3Controlling the pH value of the solution and ammonia water to be about 7-9; stirring for 2-3 h, standing for 6-10 h, performing suction filtration, and sequentially washing the precipitate with deionized water and absolute ethyl alcohol to obtain the precipitate.
4. The method according to claim 2, wherein in the step (3), the precipitate obtained in the step (2) is dried at 100-120 ℃ for 10-24 h, and then is calcined at 800-900 ℃ for 3-6 h.
5. The method of claim 2, wherein in step (4), the step (3) is repeatedDouble oxide and SiO2Grinding and mixing the powder to obtain powder, then adding water, citric acid and sesbania powder into the powder, uniformly mixing and kneading, then extruding and molding, drying at 105-140 ℃ for 6-10 h, and roasting at 600-650 ℃ for 4-6 h to obtain granular solid.
6. The method of claim 5, wherein the SiO2Powder and Al (NO)3)3·9H2The weight ratio of O is 25.7-47: 180.7-347.6;
the weight ratio of the water to the citric acid to the sesbania powder to the powder which is ground and uniformly mixed is 0.6-1.2: 0.01-0.08: 0.01-0.05: 1.
7. The method of claim 2, wherein KCl and Al (NO)3)3·9H2The weight ratio of O is 1-9.5: 180.7-347.6.
8. The method according to claim 2, wherein (6) the granular solid in the step (4) is immersed in a KCl solution, kept stand for 12-15 hours, dried at 100-115 ℃ for 12-15 hours, and then roasted at 400-600 ℃ for 3-6 hours.
9. The use of the catalyst for the catalytic oxidation of hydrogen chloride to chlorine according to claim 1, wherein the catalyst is used for the catalytic oxidation of hydrogen chloride to chlorine.
10. Use according to claim 9, characterized in that it is prepared as follows: the catalyst is placed in a reaction tube of a fixed bed reactor, and hydrogen chloride catalytic oxidation reaction is carried out under certain conditions to obtain chlorine.
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| CN112044445A (en) * | 2020-08-25 | 2020-12-08 | 上海氯碱化工股份有限公司 | Catalyst for preparing chlorine by catalytic oxidation of hydrogen chloride and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0744213A1 (en) * | 1995-05-22 | 1996-11-27 | Ube Industries, Ltd. | Porous lithium aluminate carrier of spinel structure for catalyst |
| CN101357343A (en) * | 2008-09-09 | 2009-02-04 | 南京工业大学 | Multiple step coprecipitation method for preparing hydrogen chloride oxidation potassium-containing catalyst |
| CN104549360A (en) * | 2014-04-01 | 2015-04-29 | 上海方纶新材料科技有限公司 | Catalyst for producing chlorine by catalytic oxidation of hydrogen chloride |
| CN104923239A (en) * | 2015-05-29 | 2015-09-23 | 华东理工大学 | Copper-based catalyst for preparing chlorine gas by catalyzing and oxidizing hydrogen chloride as well as preparation method and application thereof |
| CN108097232A (en) * | 2017-12-18 | 2018-06-01 | 万华化学集团股份有限公司 | It is a kind of for catalyst of preparing chlorine by oxidizing hydrogen chloride and its preparation method and application |
-
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- 2019-11-26 CN CN201911169310.5A patent/CN110801842A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0744213A1 (en) * | 1995-05-22 | 1996-11-27 | Ube Industries, Ltd. | Porous lithium aluminate carrier of spinel structure for catalyst |
| CN101357343A (en) * | 2008-09-09 | 2009-02-04 | 南京工业大学 | Multiple step coprecipitation method for preparing hydrogen chloride oxidation potassium-containing catalyst |
| CN104549360A (en) * | 2014-04-01 | 2015-04-29 | 上海方纶新材料科技有限公司 | Catalyst for producing chlorine by catalytic oxidation of hydrogen chloride |
| CN104923239A (en) * | 2015-05-29 | 2015-09-23 | 华东理工大学 | Copper-based catalyst for preparing chlorine gas by catalyzing and oxidizing hydrogen chloride as well as preparation method and application thereof |
| CN108097232A (en) * | 2017-12-18 | 2018-06-01 | 万华化学集团股份有限公司 | It is a kind of for catalyst of preparing chlorine by oxidizing hydrogen chloride and its preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 张继光: "《催化剂制备过程技术》", 30 June 2004, 中国石化出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044445A (en) * | 2020-08-25 | 2020-12-08 | 上海氯碱化工股份有限公司 | Catalyst for preparing chlorine by catalytic oxidation of hydrogen chloride and preparation method and application thereof |
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