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Catalyst performance evaluation device

A technology of catalyst and catalyst layer, which is applied in the field of environmental engineering to achieve the effects of small footprint, convenient construction, and simple equipment

Pending Publication Date: 2021-12-28
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, most of the existing catalyst evaluation devices are developed for the performance evaluation of a certain catalyst, or only for the evaluation of the catalytic activity of the catalyst, and to evaluate the influence of a few components on the catalyst

Method used

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Examples

Experimental program
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Effect test

example 1

[0028] CO catalyst performance evaluation device such as figure 1 shown, where the gas generation unit consists of N 2 Cylinder gas, CO cylinder gas, SO 2 Composed of cylinder gas and Air cylinder gas, controlled by a mass flow meter and connected to the gas mixing bottle through pipelines; the water vapor sound unit is composed of a micro-volume automatic syringe pump, connected to the gas mixing bottle through pipelines, where the pipeline and the gas mixing bottle , and the connection between the gas mixing bottle and the reaction tube is heated by heating tape to prevent water vapor from condensing; the reaction unit is composed of a tubular heating furnace and a multifunctional reaction tube. figure 2 , image 3 As shown; the test unit is composed of MRU flue gas analyzer; the exhaust gas purification unit is realized by the gas storage tank and the combustion furnace; the device is equipped with CO alarm and SO 2 Alarm to ensure the safety of the experiment. The spe...

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Abstract

The invention discloses a catalyst performance evaluation device and belongs to the field of environmental engineering. The device comprises a gas generation unit, a gas distribution unit, a water vapor generation unit, a reaction unit, a test unit, a tail gas purification unit and a gas leakage alarm unit. The device provided by the invention has the advantages of less required equipment, a simple assembly and use process and a wide application range, and is suitable for evaluating the performance of the catalyst, especially evaluating the performance of the CO oxidation catalyst. The device can realize activity evaluation, sulfur resistance and water resistance evaluation, service life evaluation, reaction heat change observation and evaluation of influence of other gaseous, solid or liquid components on the catalyst effect of the powder catalyst or the integral catalyst.

Description

technical field [0001] The present invention relates to a device for catalyst performance evaluation, which can be used for activity evaluation of various powder catalysts or monolithic catalysts, performance evaluation of sulfur and water resistance, service life evaluation, reaction heat change observation, and other gaseous, solid or The evaluation of the influence of liquid components on the effect of catalysts, etc., especially the evaluation of the performance of CO catalysts, belongs to the field of environmental engineering. Background technique [0002] With the progress of society and the development of industry, the problem of environmental pollution has attracted people's attention day by day. Catalytic oxidation technology is one of the effective methods to deal with gaseous pollutants. Catalysts are the key to catalytic oxidation technology. A scientific and efficient catalyst performance evaluation device is a crucial part of catalyst research and developmen...

Claims

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Application Information

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IPC IPC(8): G01N31/10G01N25/48
CPCG01N31/10G01N25/48
Inventor 李坚蔡建宇樊星于泽辉赵靖强
Owner BEIJING UNIV OF TECH
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