Pilot test device for evaluating performance of low-carbon hydrocarbon oxidation catalyst

A technology of oxidation catalyst and test device, which is applied in the direction of using catalysis for chemical analysis, etc., can solve the problems of unrealistic supporting decarburization separation unit, inability to realize accurate and stable carbon oxides in device evaluation data, and non-disclosure, etc., to achieve accurate and The effect of stable evaluation

Pending Publication Date: 2020-03-10
兰州金润宏成新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the limitations of investment, raw material source and production area, it is unrealistic for the pilot plant to be equipped with a decarbonization separation unit. Therefore, if the pilot plant also adopts a cycle process in order to obtain catalyst performance evaluation results that are closer to industrial operating conditions, how can it be used? It has become a key technical problem to ensure the accuracy and stability of device evaluation data while effectivel...

Method used

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  • Pilot test device for evaluating performance of low-carbon hydrocarbon oxidation catalyst
  • Pilot test device for evaluating performance of low-carbon hydrocarbon oxidation catalyst
  • Pilot test device for evaluating performance of low-carbon hydrocarbon oxidation catalyst

Examples

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Embodiment 1

[0136] A pilot test device for evaluating the performance of ethylene oxide to ethylene oxide catalyst, the device includes a raw material configuration system A, a reaction system B, an absorption system C, a lean cycle gas component control system D, a cycle compression System E and online analysis system F:

[0137] like figure 2 As shown, the raw material configuration system A includes a mixer 104 for raw material configuration, and the mixer 104 has three interfaces, the first interface 101 is used to connect with the raw material gas pipeline and the circulating compression system E respectively, and the second interface 102 is used for It is connected with the oxidant pipeline, and the third interface 103 is used to connect to the reaction system B. During the mixing process, ethylene and nitrogen enter the mixer 104 through the feed gas pipeline, and oxygen enters the mixer 104 through the oxidant pipeline, and they are mixed in the mixer 104 . Each raw material is...

Embodiment 2

[0148] A pilot test device for evaluating the performance of ethylene oxide to ethylene oxide catalyst, the device includes a raw material configuration system A, a reaction system B, an absorption system C, a lean cycle gas component control system D, a cycle compression System E and online analysis system F:

[0149] like image 3 As shown, the raw material configuration system A includes a mixer 204 for raw material configuration, and the mixer 204 has three interfaces, the first interface 201 is used to connect with the raw material gas pipeline and the circulating compression system E respectively, and the second interface 202 is used for It is connected with the oxidant pipeline, and the third interface 203 is used to connect to the reaction system B. During the mixing process, ethylene and nitrogen enter the mixer 204 through the feed gas pipeline, oxygen enters the mixer 204 through the oxidant pipeline, and they are mixed in the mixer 204 . Each raw material is unif...

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Abstract

The invention provides a pilot test device for evaluating the performance of a low-carbon hydrocarbon oxidation catalyst. The device comprises a raw material preparation system, a reaction system, anabsorption system, a lean recycle gas component regulation and control system, a cyclic compression system and an online analysis system, wherein the raw material preparation system, the reaction system, the absorption system, the lean recycle gas component regulation and control system and the cyclic compression system are connected in sequence and are combined into a closed loop. By adopting thetest device, the problem that an existing pilot test device for the performance of the low-carbon hydrocarbon oxidation catalyst in the gas circulation type process cannot effectively adjust accumulated COx carbon oxides in recycle gas while ensuring the process conditions such as device pressure flow and the like are stable is well solved, the accurate and stable evaluation of the catalyst is achieved, and an important guarantee is provided for the catalyst sample from a small test to industrialization.

Description

technical field [0001] The invention belongs to the technical field of catalyst research and development process, and in particular relates to a pilot test device for evaluating the performance of a low-carbon hydrocarbon oxidation catalyst. Background technique [0002] The catalytic oxidation process of light hydrocarbons has important economic value. For example, ethylene oxide produced by ethylene epoxidation is used in the production of chemical fiber raw material ethylene glycol, acrolein and acrylic acid produced by oxidation of propane or propylene are used in pesticides and coatings, and methacrylic acid produced by oxidation of isobutylene can be used in production plexiglass. Other new methods and new processes for the preparation of high value-added chemicals by catalytic oxidation of low-carbon hydrocarbons have also been research hotspots. For all these, the technical core of its production process is the low-carbon hydrocarbon oxidation catalyst. [0003] T...

Claims

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Application Information

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IPC IPC(8): G01N31/10
CPCG01N31/10
Inventor 谷育英谢元南洋
Owner 兰州金润宏成新材料科技有限公司
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