CN105056990A - Propane dehydrogenation produced propylene catalyst and preparation method thereof - Google Patents
Propane dehydrogenation produced propylene catalyst and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a propane dehydrogenation produced propylene catalyst. According to the catalyst, a Ta-containing MCM-68 molecular sieve serves as a carrier, Pt serves as a main active component, and Y serves as an auxiliary active component. The content of the Pt in the catalyst is 0.1 to 1.0 weight percent of the total weight of the catalyst, the content of the Y is 0.4 to 4.0 weight percent of the total weight of the catalyst, and the content of the Ta is 0.2 to 5.0 weight percent of the total weight of the catalyst. The invention also relates to a preparation method of the catalyst. The Ta-containing MCM-68 serves as the carrier of the catalyst, and the Pt and the Y serve as the active components; forming of a Pt-Ta alloy can be inhibited under reaction conditions by introducing the Ta in advance; meanwhile, an interaction force between the Pt and the carrier is increased, and the stability performance of catalyst reaction is improved; by introducing the Y, the dispersity of the precious metal Pt on the surface of the carrier and the valence state stability are improved favorably, and an interaction among metal, aids and the carrier is further improved, so that the reaction activity and the propylene selectivity of the catalyst are improved.
Description
Technical field
The present invention relates to a kind of catalyst for preparing propylene with propane dehydrogenation and preparation method thereof.
Background technology
Propylene is one of consumption important alkene being only second to ethene in petrochemical industry, except for the production of except polypropylene, or produce the primary raw material of the products such as acrylonitrile, expoxy propane, butanols, octanol, isopropyl alcohol, oxo-alcohols, isopropylbenzene, acrylic acid, nonyl phenol.In recent years, along with the fast development of petrochemical industry and the quick growth of downstream derivative thing demand, global propylene consumption figure amplification exceedes ethene.Utilizing propane cheap and easy to get to obtain propylene by De-hydrogen Technology is one of its main path produced, but the key realizing preparing propylene by dehydrogenating propane technology is to develop the propane dehydrogenation catalyst with high stability, high activity and high selectivity.The dehydrogenation of current exploitation is mainly carrier with aluminium oxide and adds various metal promoter, this kind of catalyst is selective higher under some reaction condition, but due to the easy carbon distribution inactivation of catalyst under hot conditions, cause the poor stability of catalytic reaction, service life is shorter.
Publication number be 101066532 Chinese invention patent application " a kind of with the catalyst of the skeleton preparing propylene by dehydrogenating propane that is carrier containing the ZSM-5 molecular sieve of Sn " (application number: 200710023431.X) disclose and be a kind ofly doped with Sn preparing in ZSM-5 molecular sieve process, novel catalyst for preparing propylene with propane dehydrogenation simultaneously using platinum family element as main active component, using alkalinous metal as auxiliary agent, this catalyst has higher catalytic reaction activity and Propylene Selectivity, and carbon accumulation resisting ability is also stronger simultaneously.
Notification number is Chinese invention patent " a kind of catalyst for preparing propylene by dehydrogenating propane and preparation thereof the " (application number: 201010510192.2) disclose a kind of catalyst containing the bimetallic AlSn-SBA-15 preparing propylene by dehydrogenating propane of Sn and Al with skeleton of 101972664, it contains the bimetallic AlSn-SBA-15 molecular sieve of Sn and Al for carrier with skeleton, with platinum family element metal for major catalyst, IV race metal element or IA race or IIA race metal element are auxiliary agent, to distribute, infusion process is prepared from, this catalyst has higher conversion of propane, Propylene Selectivity, reaction stability and excellent anti-carbon performance.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provide that a kind of reactivity is high equally, Propylene Selectivity and Heat stability is good, catalyst for preparing propylene with propane dehydrogenation that anti-carbon performance is strong.
Another technical problem to be solved by this invention is the present situation for prior art, a kind of preparation method of above-mentioned catalyst for preparing propylene with propane dehydrogenation is provided, the method step is simple, and prepared catalyst has higher conversion of propane, propane selectivity, reaction stability and anti-carbon.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of catalyst for preparing propylene with propane dehydrogenation, is characterized in that: this catalyst using the MCM-68 molecular sieve containing Ta as carrier, using Pt as main active component, using Y as helping active component.
In such scheme, in described catalyst, the content of Pt is 0.1 ~ 1.0wt% of total catalyst weight, and the content of described Y is 0.4 ~ 4.0wt% of total catalyst weight, and the content of described Ta is 0.2 ~ 5.0wt% of total catalyst weight.
A preparation method for catalyst for preparing propylene with propane dehydrogenation, is characterized in that comprising the following steps:
(1) getting Ludox is dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 130 ~ 180 DEG C to take out after 10 ~ 15 days, at cooling, suction filtration, alcohol wash are placed on 90 ~ 120 DEG C, dry process 3 ~ 5h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 5 ~ 8h at 450 ~ 650 DEG C;
(2) step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution containing Pt presoma and Y presoma, under this system being placed in the ultrastrong magnetic field of 10 ~ 20T, 20 ~ 60min is processed under hyperacoustic synergy, then this system is warming up to 105 ~ 120 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 500 ~ 700 DEG C calcination process 2 ~ 4h, obtain final catalyst.
In such scheme, in the reaction system in step (1) in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:(0.1 ~ 0.5): 30:30.
As improvement, described template is the mixture of AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate, and in this mixture, the mass ratio of described AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate is 1:1.
As preferably, described in step (2), the frequency setting of supersonic generator is 30 ~ 100KHz.
Preferably, described Pt presoma is the one in potassium platinic chloride, ammonium chloroplatinate, acetylacetone,2,4-pentanedione platinum.
Preferably, described Y presoma is yttrium nitrate or yttrium chloride.
In above-mentioned each preferred version, in the aqueous solution of described Pt presoma and Y presoma, the concentration of Pt is the concentration of 0.01 ~ 0.1mol/L, Y is 0.05 ~ 0.5mol/L.
In step (3) gained Pt-Y-Ta-MCM-68 catalyst, the content of Pt is 0.1 ~ 1.0wt%, and the content of described Y is 0.4 ~ 4.0wt%, and the content of described Ta is 0.2 ~ 5.0wt%.
Compared with prior art, the invention has the advantages that:
Catalyst of the present invention directly introduces Ta at carrier MCM-68 molecular sieve situ, element T a can improve the reactivity of catalyst in dehydrogenating propane process and carbon accumulation resisting ability to a great extent, coordinate with active component Pt, Y simultaneously, monolith is made to have higher conversion of propane, and itself there is larger specific area due to MCM-68 molecular sieve, active component is uniformly dispersed on a catalyst support, further increases the catalytic activity of catalyst;
Preparation method of the present invention take mass ratio as the mixture of the AEO of 1:1 and the 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate MCM-68 molecular sieve as template one step fabricated in situ containing Ta in skeleton, use the mixture of AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate as template, acting in conjunction can form the meso-hole structure of novel amphipathic pore creating material induced synthesis high-sequential on the one hand, on the other hand 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate can with TaCl
5form complex compound, be conducive to Ta being uniformly distributed on molecular sieve carrier;
The preparation method of invention is using the MCM-68 containing Ta as catalyst carrier, using Pt, Y as active component, Ta introduces the formation that can suppress Pt-Ta alloy at reaction conditions in advance, strengthen the interaction force between Pt and carrier simultaneously, improve the stability of catalyst reaction, and the introducing of Y is conducive to improving precious metals pt at the decentralization of carrier surface and valence stability, and improve the interaction between metal-auxiliary agent-carrier further, thus the service life of extending catalyst;
The present invention is when Kaolinite Preparation of Catalyst, ultrastrong magnetic field and ultrasonic wave treatment technology is introduced in dipping process, the two collaborative auxiliary active component of not only can ordering about enters the inside, duct of catalyst fast and obtains dispersed, and can shorten the dry processing time of catalyst; Meanwhile, the energy that ultrastrong magnetic field and ultrasonic wave provide can make between each active component, between active component and carrier, reciprocation occur, thus accelerated reaction and diffusion process, improve reactivity and the Propylene Selectivity of catalyst.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1:
In the present embodiment, the preparation method of catalyst for preparing propylene with propane dehydrogenation comprises the following steps:
(1) be the 3.0wt% of total catalyst weight according to the content of Ta in catalyst, get Ludox and be dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 130 DEG C to take out after 15 days, at cooling, suction filtration, alcohol wash are placed on 90 DEG C, dry process 5h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 8h at 450 DEG C;
In reaction system in this step in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:0.5:30:30, wherein, the mixture of template to be mass ratio be 1:1 AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate;
(2) be the 0.5wt% of total catalyst weight according to the content of Pt in catalyst, the content of Y is the 4.0wt% of total catalyst weight, step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution of potassium platinic chloride and yttrium nitrate, under this system being placed in the ultrastrong magnetic field of 10T, be process 60min under the supersonic generator effect of 40KHz in frequency setting, then this system is warming up to 105 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
In this step Pt potassium platinic chloride and yttrium nitrate the aqueous solution in, the concentration of Pt is the concentration of 0.01mol/L, Y is 0.05mol/L;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 500 DEG C calcination process 4h, obtain final catalyst.
Embodiment 2:
In the present embodiment, the preparation method of catalyst for preparing propylene with propane dehydrogenation comprises the following steps:
(1) be the 4.5wt% of total catalyst weight according to the content of Ta in catalyst, get Ludox and be dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 180 DEG C to take out after 10 days, at cooling, suction filtration, alcohol wash are placed on 120 DEG C, dry process 3h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 5h at 650 DEG C;
In reaction system in this step in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:0.5:30:30, wherein, the mixture of template to be mass ratio be 1:1 AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate;
(2) be the 0.8wt% of total catalyst weight according to the content of Pt in catalyst, the content of Y is the 3.8wt% of total catalyst weight, step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution of ammonium chloroplatinate and yttrium nitrate, under this system being placed in the ultrastrong magnetic field of 20T, be process 40min under the supersonic generator effect of 80KHz in frequency setting, then this system is warming up to 120 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
In this step ammonium chloroplatinate and yttrium nitrate the aqueous solution in, the concentration of Pt is the concentration of 0.08mol/L, Y is 0.5mol/L;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 700 DEG C calcination process 2h, obtain final catalyst.
Embodiment 3:
In the present embodiment, the preparation method of catalyst for preparing propylene with propane dehydrogenation comprises the following steps:
(1) be the 0.2wt% of total catalyst weight according to the content of Ta in catalyst, get Ludox and be dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 150 DEG C to take out after 13 days, at cooling, suction filtration, alcohol wash are placed on 100 DEG C, dry process 4h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 6h at 550 DEG C;
In reaction system in this step in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:0.1:30:30, wherein, the mixture of template to be mass ratio be 1:1 AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate;
(2) be the 1.0wt% of total catalyst weight according to the content of Pt in catalyst, the content of Y is the 0.4wt% of total catalyst weight, step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution of acetylacetone,2,4-pentanedione platinum and yttrium chloride, under this system being placed in the ultrastrong magnetic field of 15T, be process 30min under the supersonic generator effect of 100KHz in frequency setting, then this system is warming up to 110 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
In this step acetylacetone,2,4-pentanedione platinum and yttrium chloride the aqueous solution in, the concentration of Pt is the concentration of 0.1mol/L, Y is 0.2mol/L;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 600 DEG C calcination process 3h, obtain final catalyst.
Embodiment 4:
In the present embodiment, the preparation method of catalyst for preparing propylene with propane dehydrogenation comprises the following steps:
(1) be the 5.0wt% of total catalyst weight according to the content of Ta in catalyst, get Ludox and be dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 170 DEG C to take out after 12 days, at cooling, suction filtration, alcohol wash are placed on 105 DEG C, dry process 4h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 7h at 500 DEG C;
In reaction system in this step in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:0.4:30:30, wherein, the mixture of template to be mass ratio be 1:1 AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate;
(2) be the 0.1wt% of total catalyst weight according to the content of Pt in catalyst, the content of Y is the 3.0wt% of total catalyst weight, step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution of ammonium chloroplatinate and yttrium chloride, under this system being placed in the ultrastrong magnetic field of 12T, be process 50min under the supersonic generator effect of 90KHz in frequency setting, then this system is warming up to 100 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
In this step ammonium chloroplatinate and yttrium chloride the aqueous solution in, the concentration of Pt is the concentration of 0.05mol/L, Y is 0.5mol/L;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 600 DEG C calcination process 3h, obtain final catalyst.
Embodiment 5:
In the present embodiment, the preparation method of catalyst for preparing propylene with propane dehydrogenation comprises the following steps:
(1) be the 2.0wt% of total catalyst weight according to the content of Ta in catalyst, get Ludox and be dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 180 DEG C to take out after 11 days, at cooling, suction filtration, alcohol wash are placed on 95 DEG C, dry process 5h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 5h at 620 DEG C;
In reaction system in this step in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:0.3:30:30, wherein, the mixture of template to be mass ratio be 1:1 AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate;
(2) be the 0.8wt% of total catalyst weight according to the content of Pt in catalyst, the content of Y is the 0.4wt% of total catalyst weight, step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution of acetylacetone,2,4-pentanedione platinum and yttrium nitrate, under this system being placed in the ultrastrong magnetic field of 18T, be process 60min under the supersonic generator effect of 60KHz in frequency setting, then this system is warming up to 110 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
In this step acetylacetone,2,4-pentanedione platinum and yttrium nitrate the aqueous solution in, the concentration of Pt is the concentration of 0.1mol/L, Y is 0.05mol/L;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 700 DEG C calcination process 3h, obtain final catalyst.
Catalyst prepared by the various embodiments described above is carried out grind, compressing tablet and screening, then in nitrogen atmosphere under 600 DEG C of conditions activation process 3h; Carry out reaction evaluating to the catalyst be disposed, appreciation condition is: loaded by the catalyst sample of 0.50g in isothermal reactor, regulate propane mass space velocity to be 4h
-1, reaction temperature is 600 DEG C, and reaction pressure is 0.1MPa, and hydrogen/propane molar ratio is 1:4.5, and the reaction time is 300h.Concrete evaluation result is in table 1.
Table 1
Conversion of propane/% | Propylene Selectivity/% | |
Embodiment 1 | 30.4 | 97.5 |
Embodiment 2 | 30.8 | 98.1 |
Embodiment 3 | 31.5 | 96.8 |
Embodiment 4 | 29.8 | 98.3 |
Embodiment 5 | 30.6 | 97.1 |
Claims (10)
1. a catalyst for preparing propylene with propane dehydrogenation, is characterized in that: this catalyst using the MCM-68 molecular sieve containing Ta as carrier, using Pt as main active component, using Y as helping active component.
2. catalyst for preparing propylene with propane dehydrogenation according to claim 1, it is characterized in that: in described catalyst, the content of Pt is 0.1 ~ 1.0wt% of total catalyst weight, the content of described Y is 0.4 ~ 4.0wt% of total catalyst weight, and the content of described Ta is 0.2 ~ 5.0wt% of total catalyst weight.
3. a preparation method for catalyst for preparing propylene with propane dehydrogenation, is characterized in that comprising the following steps:
(1) getting Ludox is dissolved in ethanol water, then by itself and aluminium hydroxide, containing TaCl
5ethanolic solution mixing, add potassium hydroxide after stirring and continue to stir, finally add template and be stirred to evenly, gained mixture to be loaded in hydrothermal reaction kettle Crystallizing treatment at 130 ~ 180 DEG C to take out after 10 ~ 15 days, at cooling, suction filtration, alcohol wash are placed on 90 ~ 120 DEG C, dry process 3 ~ 5h, obtains Ta-MCM-68 molecular sieve carrier by dried material calcination process 5 ~ 8h at 450 ~ 650 DEG C;
(2) step (1) gained Ta-MCM-68 molecular sieve carrier is dropped in the aqueous solution containing Pt presoma and Y presoma, under this system being placed in the ultrastrong magnetic field of 10 ~ 20T, 20 ~ 60min is processed under supersonic generator effect, then this system is warming up to 105 ~ 120 DEG C, the whole evaporate to dryness of moisture in dry process to above-mentioned system, namely obtains the Pt-Y-Ta-MCM-68 catalyst of supporting Pt and Y;
(3) by step (2) gained Pt-Y-Ta-MCM-68 catalyst in air atmosphere at 500 ~ 700 DEG C calcination process 2 ~ 4h, obtain final catalyst.
4. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 3, is characterized in that: in the reaction system in step (1) in reactor, the mol ratio of each material is: n (SiO
2): n (Al (OH)
3): n (KOH): n (template): n (H
2o): n (ethanol)=1.0:0.1:0.38:(0.1 ~ 0.5): 30:30.
5. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 4, it is characterized in that: described template is the mixture of AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate, and in this mixture, the mass ratio of described AEO and 1-methyl-3-propane sulfonic acid base imidazoles phosphotungstate is 1:1.
The addition that template is total.
6. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 3, is characterized in that: described in step (2), the frequency setting of supersonic generator is 30 ~ 100KHz.
7. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 3, is characterized in that: described Pt presoma is the one in potassium platinic chloride, ammonium chloroplatinate, acetylacetone,2,4-pentanedione platinum.
8. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 3, is characterized in that: described Y presoma is yttrium nitrate or yttrium chloride.
9. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 3, is characterized in that: in the aqueous solution of described Pt presoma and Y presoma, and the concentration of Pt is the concentration of 0.01 ~ 0.1mol/L, Y is 0.05 ~ 0.5mol/L.
10. the preparation method of catalyst for preparing propylene with propane dehydrogenation according to claim 3, it is characterized in that: in step (3) gained Pt-Y-Ta-MCM-68 catalyst, the content of Pt is 0.1 ~ 1.0wt%, the content of described Y is 0.4 ~ 4.0wt%, and the content of described Ta is 0.2 ~ 5.0wt%.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0775519A1 (en) * | 1995-06-08 | 1997-05-28 | Nippon Shokubai Co., Ltd. | Vanadium-containing catalyst, process for the production thereof, and use thereof |
CN1266417A (en) * | 1997-06-06 | 2000-09-13 | Basf公司 | Method for oxidizing an organic compound containing at least on C-C double bond |
CN1994562A (en) * | 2006-12-31 | 2007-07-11 | 中国科学院成都有机化学有限公司 | Catalyst for producing carbon nanotube |
CN101380587A (en) * | 2008-10-10 | 2009-03-11 | 东南大学 | Propane dehydrogenation catalyst to produce propylene and preparation method thereof |
CN101579639A (en) * | 2009-06-24 | 2009-11-18 | 江苏优士化学有限公司 | Catalyst for synthesizing fatty nitrile, preparation method and applications |
CN101745414A (en) * | 2008-12-12 | 2010-06-23 | 北京化工大学 | Catalyst for producing light olefins through methanol and preparation method thereof |
CN103157491A (en) * | 2011-12-12 | 2013-06-19 | 中国科学院生态环境研究中心 | Mesoporous metal oxide-supported palladium catalyst used for catalytic oxidation of volatile organic compounds |
-
2015
- 2015-09-11 CN CN201510575389.7A patent/CN105056990B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0775519A1 (en) * | 1995-06-08 | 1997-05-28 | Nippon Shokubai Co., Ltd. | Vanadium-containing catalyst, process for the production thereof, and use thereof |
EP0775519A4 (en) * | 1995-06-08 | 2000-06-28 | Nippon Catalytic Chem Ind | Vanadium-containing catalyst, process for the production thereof, and use thereof |
CN1266417A (en) * | 1997-06-06 | 2000-09-13 | Basf公司 | Method for oxidizing an organic compound containing at least on C-C double bond |
CN1994562A (en) * | 2006-12-31 | 2007-07-11 | 中国科学院成都有机化学有限公司 | Catalyst for producing carbon nanotube |
CN101380587A (en) * | 2008-10-10 | 2009-03-11 | 东南大学 | Propane dehydrogenation catalyst to produce propylene and preparation method thereof |
CN101745414A (en) * | 2008-12-12 | 2010-06-23 | 北京化工大学 | Catalyst for producing light olefins through methanol and preparation method thereof |
CN101579639A (en) * | 2009-06-24 | 2009-11-18 | 江苏优士化学有限公司 | Catalyst for synthesizing fatty nitrile, preparation method and applications |
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