Dehydrogenation catalyst
A dehydrogenation catalyst and catalyst technology, applied in the direction of catalysts, carbon compound catalysts, hydrocarbons, etc., can solve the problem of no acidity, etc., and achieve the effects of improving coking resistance, increasing bulk density, and improving performance
Inactive Publication Date: 2019-10-18
HYOSUNG CHEM CORP
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Problems solved by technology
[0006] Traditionally known patents related to dehydrogenation catalysts mainly deal with the types of active catalytic components and supports, and there is still nothing related to acidity, which is one of the physical properties of catalysts
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Embodiment 1～14
[0057] As shown in Table 1 below, various dehydrogenation catalysts were prepared in which the density or acidity of platinum versus promoter metal was included within the scope of the present invention.
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The present invention relates to a dehydrogenation catalyst, which is a dehydrogenation catalyst in which a platinum group metal, auxiliary metal, alkali metal or alkali earth metal component is supported on a support, wherein the molar ratio of platinum with respect to the auxiliary metal is 0.5-1.49 and, when titrated with KOH, the catalyst has an acid site content of a catalyst of 20-150 [mu]mol KOH / g. The dehydrogenation catalyst according to the present invention prevents the phenomenon of a rapid increase of coke in the case of a decline in the hydrogen ratio in the dehydrogenation reaction, thereby enhancing the output of a process, enabling the operation thereof under the condition of a decline in the hydrogen / hydrocarbon ratio, and enhancing the process economics.
Description
technical field [0001] The present invention relates to a catalyst for the dehydrogenation of hydrocarbons, and more particularly to a dehydrogenation catalyst exhibiting a low molar ratio of platinum and reduced acidity, which reduces coke and thereby improves the performance of the catalyst Long-term operation performance, and it can make the dehydrogenation process operate under the condition of reducing the proportion of hydrogen, thereby improving the yield of the process. Background technique [0002] Catalytic dehydrogenation of alkanes for the production of olefins (alkenes) is an important and well-known hydrocarbon conversion process in the petroleum refining industry. The reason for this is that olefins are often useful as intermediates in the production of other more valuable hydrocarbon conversion products. For example, propylene is used to make polymers and propylene glycol, butenes are used to make high-octane motor fuels, and isobutene is used to make methyl...
Claims
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IPC IPC(8): B01J35/00B01J23/58B01J35/02B01J35/10B01J23/62B01J21/04
CPCC07C5/3337C07C2523/62C07C2523/04C07C2521/04B01J23/626Y02P20/52B01J35/40B01J35/613B01J35/70B01J35/32B01J2235/00C07C11/06B01J21/04B01J23/58B01J23/622B01J35/19B01J35/612B01J35/647B01J35/651B01J2523/56B01J21/063B01J21/066B01J21/08C07C5/325B01J2523/23B01J2523/13B01J2523/12B01J2523/22B01J2523/11B01J2523/24B01J2523/25B01J2523/26B01J2523/21B01J35/00B01J23/62B01J35/30B01J35/31B01J35/60B01J35/63B01J35/615
Inventor 赵富英金洹一
Owner HYOSUNG CHEM CORP
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