A reduction testing method for a catalyst support

A technology of catalyst carrier and testing method, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., and can solve problems such as non-environmental protection, poor precision, and complicated reduction test process

Inactive Publication Date: 2018-12-07
程桂平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The reduction test process of the catalyst carrier in the prior art is complicated, the precision is poor, and it is not environmentally friendly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A reduction test method for a catalyst carrier, comprising:

[0020] Step 1: when ambient temperature is 32 DEG C, the polyoxyethylene-polypropylene oxide-polyethylene oxide triblock copolymer of 5.39.1g, (molecular formula is: PEO-PPO-PE ) was dissolved in 1531g deionized water and 56.7g hydrochloric acid solution;

[0021] Step 2: After the dissolution is complete, add 535.5 g of n-butanol to the mixture under stirring, and continue stirring for 1 h;

[0022] Step 3: Then add 83.9g ethyl orthosilicate, and continue to stir for 24h;

[0023] Step 4: add 0.23g sodium chloride subsequently, and continue to stir 2h;

[0024] Step 5: transfer to polypropylene hoof plastic bottle again and seal, and hydrothermal treatment 24h under the condition of 83 ℃;

[0025] Step 6: the solid is filtered and dried after hydrothermal;

[0026] Step 7: wash with 3mg / L aqueous sodium bicarbonate solution for 2h;

[0027] Step 8: the ethanol-HCl mixed solution is washed and calcined f...

Embodiment 2

[0034] A reduction test method for a catalyst carrier, comprising:

[0035] Step 1: when ambient temperature is 32 DEG C, the polyoxyethylene-polypropylene oxide-polyethylene oxide triblock copolymer of 5.39.2g, (molecular formula is: PEO-PPO-PE ) was dissolved in 1531g deionized water and 56.7g hydrochloric acid solution;

[0036] Step 2: After the dissolution is complete, add 535.5 g of n-butanol to the mixture under stirring, and continue stirring for 1 h;

[0037] Step 3: Then add 83.9g ethyl orthosilicate, and continue to stir for 24h;

[0038] Step 4: add 0.23g sodium chloride subsequently, and continue to stir 2h;

[0039] Step 5: transfer to polypropylene hoof plastic bottle again and seal, and hydrothermal treatment 24h under the condition of 83 ℃;

[0040] Step 6: the solid is filtered and dried after hydrothermal;

[0041] Step 7: wash with 3mg / L aqueous sodium bicarbonate solution for 2h;

[0042] Step 8: the ethanol-HCl mixed solution is washed and calcined f...

Embodiment 4

[0049] A reduction test method for a catalyst carrier, comprising:

[0050] Step 1: when ambient temperature is 32 DEG C, the polyoxyethylene-polypropylene oxide-polyethylene oxide triblock copolymer of 5.39.3g, (molecular formula is: PEO-PPO-PE ) was dissolved in 1531g deionized water and 56.7g hydrochloric acid solution;

[0051] Step 2: After the dissolution is complete, add 535.5 g of n-butanol to the mixture under stirring, and continue stirring for 1 h;

[0052] Step 3: Then add 83.9g ethyl orthosilicate, and continue to stir for 24h;

[0053] Step 4: add 0.23g sodium chloride subsequently, and continue to stir 2h;

[0054] Step 5: transfer to polypropylene hoof plastic bottle again and seal, and hydrothermal treatment 24h under the condition of 83 ℃;

[0055] Step 6: the solid is filtered and dried after hydrothermal;

[0056] Step 7: wash with 3mg / L aqueous sodium bicarbonate solution for 2h;

[0057] Step 8: the ethanol-HCl mixed solution is washed and calcined f...

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PUM

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Abstract

A reduction testing method for a catalyst support is provided. The method includes 1) dissolving precisely 39.1 g of a polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer (with a molecular formula being PEO-PPO-PE) into 1531 g of deionized water and 56.7 g of a hydrochloric acid solution at an environment temperature of 32 DEG C; and 2) after complete dissolving, adding precisely 35.5 g of n-butanol into the mixture under stirring and stirring the mixture for another 1 h.

Description

technical field [0001] The invention relates to a reduction test method of a catalyst carrier. Background technique [0002] The reduction test process of the catalyst carrier in the prior art is complex, has poor precision and is not environmentally friendly. Contents of the invention [0003] A reduction test method for a catalyst carrier, comprising: [0004] Step 1: when ambient temperature is 32 DEG C, the polyoxyethylene-polypropylene oxide-polyethylene oxide triblock copolymer of 5.39.1g, (molecular formula is: PEO-PPO-PE ) was dissolved in 1531g deionized water and 56.7g hydrochloric acid solution; [0005] Step 2: After the dissolution is complete, add 535.5 g of n-butanol to the mixture under stirring, and continue stirring for 1 h; [0006] Step 3: Then add 83.9g ethyl orthosilicate, and continue to stir for 24h; [0007] Step 4: add 0.23g sodium chloride subsequently, and continue to stir 2h; [0008] Step 5: transfer to polypropylene hoof plastic bottle a...

Claims

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Application Information

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IPC IPC(8): G01N30/66G01N30/06
CPCG01N30/66G01N30/06
Inventor 程桂平
Owner 程桂平
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