A kind of preparation method of sulfur fixation catalyst

A catalyst and titanium dioxide technology, applied in the field of preparation of high-efficiency new sulfur-fixing catalysts, can solve the problems of ecological environment damage, atmospheric environmental pollution, etc., and achieve the effects of reducing the amount of coal burning, burning fully, and reducing emissions

Active Publication Date: 2017-12-26
张家界鸿燕新材料科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Harmful gases such as SO2 and NOx and soot emitted by coal combustion have caused great pollution to the atmospheric environment in my country and seriously damaged the ecological environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A method for preparing sulfur fixation catalyst, the specific raw materials and methods are as follows:

[0020] (1) Weigh parts by weight Weigh the following raw materials: 280 parts of water, 250 parts of glycerol, 60 parts of sodium carbonate, 110 parts of sodium methacrylate sulfonate, 130 parts of sodium gluconate, 120 parts of titanium dioxide, and 50 parts of triethanolamine. Titanium dioxide is a nanometer titanium dioxide material obtained after modification treatment.

[0021] (2) Add sodium carbonate, sodium methacrylate sulfonate, and sodium gluconate to 3 / 4 of the water, and stir thoroughly for 1 hour with a stirring tank to prepare mixed solution A;

[0022] (3) Add titanium dioxide to the remaining 1 / 4 of the water and stir with a stirring tank for 30 minutes, then add glycerol and triethanolamine and stir thoroughly for 1 hour to prepare dispersion B;

[0023] (4) Mix the mixed liquid A and the dispersion liquid B thoroughly and stir for 30 minutes to prepare a ...

Embodiment 2

[0025] A method for preparing sulfur fixation catalyst, the specific raw materials and methods are as follows:

[0026] (1) (1) Weigh parts by weight Weigh the following raw materials: 300 parts of water, 280 parts of glycerol, 125 parts of sodium carbonate, 140 parts of sodium methacrylate sulfonate, 200 parts of sodium gluconate, 135 parts of titanium dioxide, triethanolamine 75 copies.

[0027] (2) Add sodium carbonate, sodium methacrylate sulfonate, and sodium gluconate to 3 / 4 of the water, and stir well for 50 hours with a stirring tank to prepare mixed solution A;

[0028] (3) Add titanium dioxide to the remaining 1 / 4 of the water and stir for 35 minutes with a stirring tank, then add glycerol and triethanolamine and stir well for 70 hours to prepare dispersion B;

[0029] (4) Mix the mixed liquid A and the dispersion liquid B thoroughly and stir for 25 minutes to prepare a solid sulfur catalyst.

Embodiment 3

[0031] A method for preparing sulfur fixation catalyst, the specific raw materials and methods are as follows:

[0032] (1) 350 parts of water, 300 parts of glycerol, 115 parts of sodium carbonate, 150 parts of sodium methacrylate sulfonate, 160 parts of sodium gluconate, 180 parts of titanium dioxide, 80 parts of triethanolamine.

[0033] (2) Add sodium carbonate, sodium methacrylate sulfonate, and sodium gluconate to 3 / 4 of the water, and stir well for 70 hours with a stirring tank to prepare mixed solution A;

[0034] (3) Add titanium dioxide to the remaining 1 / 4 of the water and stir for 25 minutes in a stirring tank, then add glycerol and triethanolamine and stir well for 50 hours to prepare dispersion B;

[0035] (4) Mix the mixed liquid A and the dispersion liquid B fully and stir for 35 minutes to prepare a solid sulfur catalyst.

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Abstract

The invention provides a preparation method of a sulfur-fixing catalyst, comprising: weighing the following raw materials in weight percentages: 20% to 30% of glycerol, 5% to 10% of sodium carbonate, and 5% to 15% of sodium methacrylate , sodium gluconate 8% ~ 13%, titanium dioxide 6% ~ 15%, triethanolamine 2% ~ 6%, water 25% ~ 35%; add sodium carbonate, sodium methacrylate, sodium gluconate to 3 / 4 in the water, fully stirred with a stirring tank for 50-70 hours to obtain a mixed solution A; add titanium dioxide to the remaining 1 / 4 of the water and stir for 25-35 minutes with a stirring tank, then add glycerol and triethanolamine and fully stir for 50 ‑70 hours to prepare dispersion B; mix mixed solution A and dispersion B and fully stir for 25‑35 minutes to obtain a sulfur-fixing catalyst. The sulfur-fixing catalyst prepared by the invention can make coal burn more fully, reduce coal consumption by more than 10 percent, reduce sulfur dioxide discharge and desulfurization by more than 30 percent, and simultaneously reduce dust and harmful gas discharge.

Description

Technical field [0001] The present invention relates to the technical field of catalysts, in particular to a method for preparing a high-efficiency novel sulfur-fixing catalyst composed of a composite functional surfactant with glycerol as a carrier and having the effect of coal sulfur fixation and denitration. Background technique [0002] Coal is the most important energy source in my country, accounting for 70% of total energy consumption. Although my country’s coal resources are quite rich, in terms of coal quality, my country has more difficult-to-dress coals, and high-ash and high-sulfur coals have a large proportion. Medium-high-sulfur coal and high-sulfur coal with a sulfur content of more than 2% account for about 1 / 3 of the total reserves. The SO2, NOx and other harmful gases and soot emitted by coal burning have caused great pollution to our country's atmospheric environment and severely damaged the ecological environment. [0003] The coal catalyst is a lipophilic subs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J31/38C10L9/10
Inventor 张桂燕
Owner 张家界鸿燕新材料科技发展有限公司
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