Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Supported catalyst for hydrogenation/dehydrogenation reaction, method for production of the catalyst, and hydrogen storage/supply method using the catalyst

A catalyst, dehydrogenation technology, applied in catalyst activation/preparation, metal/metal oxide/metal hydroxide catalyst, physical/chemical process catalyst, etc., can solve the time lag, lack of reformer responsiveness, practicality Low-level problems, to achieve the effect of improving the response speed

Inactive Publication Date: 2010-08-11
市川 胜
View PDF2 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Among them, A. can be easily implemented as a hydrogen supply system, but hydrogen gas is flammable, so there are problems in safety and low practicality
And B. is realistic in terms of the availability of existing gas lines with complete supply lines, but the responsiveness of the reformer is insufficient
In C.-F., there is a time lag between the supply side and the demand side, so it is impossible to cater for load fluctuations due to changes in electricity demand

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Supported catalyst for hydrogenation/dehydrogenation reaction, method for production of the catalyst, and hydrogen storage/supply method using the catalyst
  • Supported catalyst for hydrogenation/dehydrogenation reaction, method for production of the catalyst, and hydrogen storage/supply method using the catalyst
  • Supported catalyst for hydrogenation/dehydrogenation reaction, method for production of the catalyst, and hydrogen storage/supply method using the catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0063] Examples of the present invention will be described below, but the present invention is not limited to these Examples.

[0064] experiment method

[0065] exist figure 1 In the shown hydrogenation and dehydrogenation reaction apparatus, the dehydrogenation reaction of cyclohexane or methylcyclohexane was carried out using the samples of each of Examples and Comparative Examples described later. The reaction conditions are set as follows: temperature 320°C, reaction pressure 0.1MPaG, catalyst layer volume 4.3ml, raw material addition rate 0.15ml / min, liquid air velocity 2.0h -1 , The amount of hydrogen added is 10ml / min (hydrogen / oil ratio is 0.3mol / 1mol). The rate of hydrogen generation and the conversion rate of cyclohexane were determined by gas chromatographic analysis. When the dehydrogenation reaction of cyclohexane is carried out, the hydrogen generation rate, cyclohexane conversion rate and benzene selectivity are shown in Table 1. When carrying out the dehyd...

Embodiment 1

[0072] Chloroplatinic acid H containing 18 mg platinum 2 PtCl 6 The aqueous solution was sprayed onto the molybdenum carbide, followed by firing at 350° C. for 3 hours in a nitrogen atmosphere. Then, in a 10% hydrogen atmosphere diluted with nitrogen, the temperature was raised from room temperature to 350 ° C in stages to produce molybdenum carbide (Pt / Mo) loaded with 0.5% platinum. 2 C) Catalyst.

Embodiment 2-5

[0074] Activated carbon, mesoporous silicate (FSM-16), silica and alumina were used as supports respectively, and a solution containing ammonium molybdate was coated on the support, and then heated at 350° C. under an air atmosphere. Activated carbon loaded with molybdenum oxide, mesoporous silicate, silicon dioxide and aluminum oxide are separated at 350-500 ° C under the mixed gas atmosphere of methane (or butane): hydrogen = 1:10 according to the volume ratio. The heating reaction was carried out for 5 hours in stages, thereby converting molybdenum oxide into molybdenum carbide.

[0075] Each supported catalyst covered with molybdenum carbide was then impregnated in chloroplatinic acid H containing 18 mg platinum. 2 PtCl 6 solution and then dried. Then hydrogen reduction was carried out step by step at 100-350° C. for 3 hours under a hydrogen atmosphere to prepare various supported catalysts (Example 2-5).

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The object is to increase the reaction rate of hydrogenation or dehydrogenation to thereby enable to use a catalyst for a long period. Disclosed is a method for the storage / supply of hydrogen. The method comprises carrying out the hydrogenation reaction into an aromatic compound or the dehydrogenation reaction of a hydrogenated derivative of the aromatic compound by using a supported catalyst which comprises platinum and molybdenum carbide or tungsten carbide covering a part or the whole area of the surface of a carrier.

Description

technical field [0001] The present invention relates to a supported catalyst for a hydrogenation / dehydrogenation reaction showing catalytic activity in a hydrogenation reaction to form an aromatic compound or a dehydrogenation reaction of a hydrogen derivative of an aromatic compound, a method for preparing the same, and a hydrogen storage / dehydrogenation reaction using the catalyst supply method. Background technique [0002] In recent years, global warming has become a problem, and fuel cell systems, which replace fossil fuels and provide clean energy, have attracted attention. As a fuel for fuel cell systems, hydrogen fuel has attracted people's attention. This is because, in a fuel cell system using hydrogen fuel as a fuel, only water is discharged when electricity is generated, so attention is being paid to energy sources that have the least impact on the environment. However, hydrogen is a gas at normal temperature and is a flammable substance, so there is a problem ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/26B01J27/22B01J29/035B01J37/18C07B61/00C07C5/367C07C15/06C10G35/09
CPCC01B2203/1047B01J37/0205B01J21/04C07C15/06B01J21/08B01J29/0341C07C5/367B01J37/0201B01J23/42C01B2203/1252B01J23/6525B01J27/22B01J37/082C01B2203/1041B01J37/0226B01J21/18C01B3/26C01B2203/1082C01B2203/0277B01J37/18Y02P20/52
Inventor 市川胜樱元正黑泽诚菊池哲三田幸满井坂裕二
Owner 市川 胜
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com