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High-efficiency trichloroethylene catalyst and preparation method thereof

A high-efficiency trichloroethylene and trichloroethylene technology, which can be used in combustion methods, incinerators, lighting and heating equipment, etc., can solve the problems of precious metal application limitations, expensive precious metals, and catalyst deactivation.

Inactive Publication Date: 2018-07-06
HAIMEN YUANMEI MEISHU TUAN SHEJI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Noble metals have good activity in the degradation reaction of chlorine-containing volatile organic compounds, and have high selectivity to CO2 and HCl; however, noble metals can combine with chlorine to form metal organic chlorides, and carbon deposits are easily formed on the surface, resulting in catalyst deactivation
At the same time, due to the high price of precious metals, the application of precious metals is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high-efficiency trichlorethylene catalyst is prepared by the following method: dry and grind kaolin, soak it in potassium permanganate solution, filter it, dry it in an oven, and finally roast it in a muffle furnace, cool it That is, the high-efficiency trichlorethylene catalyst is obtained. Wherein, the molar concentration of the potassium permanganate solution is 7mol / L.

[0016] Among them, 1g of kaolin corresponds to 25ml of potassium permanganate solution.

[0017] Among them, the oven drying temperature is 70°C; the muffle furnace firing temperature is 650°C.

Embodiment 2

[0019] A high-efficiency trichlorethylene catalyst is prepared by the following method: dry and grind kaolin, soak it in potassium permanganate solution, filter it, dry it in an oven, and finally roast it in a muffle furnace, cool it That is, the high-efficiency trichlorethylene catalyst is obtained. Wherein, the molar concentration of the potassium permanganate solution is 5mol / L.

[0020] Among them, 1g of kaolin corresponds to 15ml of potassium permanganate solution.

[0021] Among them, the oven drying temperature is 60°C; the muffle furnace firing temperature is 550°C.

Embodiment 3

[0023] A high-efficiency trichlorethylene catalyst is prepared by the following method: dry and grind kaolin, soak it in potassium permanganate solution, filter it, dry it in an oven, and finally roast it in a muffle furnace, cool it That is, the high-efficiency trichlorethylene catalyst is obtained. Wherein, the molar concentration of the potassium permanganate solution is 9mol / L.

[0024] Among them, 1g of kaolin corresponds to 35ml of potassium permanganate solution.

[0025] Among them, the oven drying temperature is 80°C; the muffle furnace firing temperature is 750°C.

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Abstract

The invention discloses a high-efficiency trichloroethylene catalyst and a preparation method thereof. The preparation method for the high-efficiency trichloroethylene catalyst comprises the followingsteps: weighing kaolin and carrying out drying and grinding; then soaking the ground kaolin in a potassium permanganate solution; carrying out filtering and drying in a baking oven successively; andcarrying out roasting in a muffle furnace and cooling successively to obtain the high-efficiency trichloroethylene catalyst. The catalyst provided by the invention can realize high-efficiency catalysis of a reaction of trichloroethylene.

Description

technical field [0001] The invention belongs to the field of catalysts, and in particular relates to a high-efficiency trichlorethylene catalyst and a preparation method thereof. Background technique [0002] The key to the catalytic combustion reaction is the choice of catalysts. Currently, there are three types of catalysts commonly used: noble metals, transition metal oxides and solid acids. Noble metals have good activity in the degradation reaction of chlorine-containing volatile organic compounds, and have high selectivity to CO2 and HCl; however, noble metals can combine with chlorine to form metal organic chlorides, and carbon deposits are easily formed on the surface, resulting in catalyst deactivation. At the same time, due to the high price of precious metals, the application of precious metals is limited. Transition metals have excellent redox properties and have attracted more and more attention in recent years. Contents of the invention [0003] The object ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/34F23G7/07
CPCB01J23/34F23G7/07
Inventor 谢越
Owner HAIMEN YUANMEI MEISHU TUAN SHEJI CO LTD
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