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Gasoline-containing activated carbon for exhaust gas adsorption

A technology of activated carbon and exhaust gas, applied in the direction of alkali metal oxides/hydroxides, inorganic chemistry, alkali metal compounds, etc., can solve the problems of reducing gasoline vapor absorption rate, gasoline vapor is easy to be saturated, gasoline is easy to be saturated, etc., to improve adsorption Efficiency, increased pore size, enhanced adsorption and decolorization power

Inactive Publication Date: 2018-01-12
成都漆彩之星环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the adsorption of gasoline by activated carbon is easy to be saturated, thereby reducing the absorption rate of gasoline vapor, and the purpose is to provide activated carbon for exhaust gas adsorption containing gasoline, so as to solve the problems that the adsorption of gasoline by activated carbon is easy to be saturated and the adsorption capacity is small

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Invention of activated carbon for exhaust gas adsorption containing gasoline, including carbonized material, impregnated liquid impregnated inside the carbonized material, the impregnated liquid includes the following components: phosphoric acid, magnesium oxide, zinc chloride, polystyrene microspheres, gypsum powder, di Silicon oxide, magnesium silicate, polyacrylamide, polyisobutylene succinimide. The carbonized material is one or more of apricot core shell, coconut shell, peach core shell and coal. Coal is mainly anthracite and non-bonded bituminous coal; activated carbon made from apricot core shell and non-bonded bituminous coal has a significantly enhanced adsorption and decolorization ability. The mass of the impregnating liquid accounts for 20%-30% of the mass of the carbonized material.

[0019] The invention impregnates the impregnating liquid which has adsorption effect on gasoline vapor into the carbonized material to form the gasoline-containing exhaust ga...

Embodiment 2

[0021] Based on Example 1, the impregnation solution includes the following components by weight fraction: 4-9 parts of phosphoric acid, 10-15 parts of magnesium oxide, 30-50 parts of zinc chloride, 10-15 parts of polystyrene microspheres, 8- 10 parts of gypsum powder, 5-10 parts of silicon dioxide, 18-20 parts of magnesium silicate, 6-8 parts of polyacrylamide, 6-8 parts of polyisobutylene succinimide. The present invention has optimized the dosage range of each component through multiple tests. The gasoline-containing exhaust gas adsorption activated carbon of the present invention has a gasoline vapor adsorption rate of 26-45%, and a mechanical strength of ≥95%.

Embodiment 3

[0023] Based on the above examples, the impregnating solution includes the following components by weight fraction: 4 parts of phosphoric acid, 10 parts of magnesium oxide, 30 parts of zinc chloride, 10 parts of polystyrene microspheres, 8 parts of gypsum powder, 5 parts of silicon dioxide , 18 parts of magnesium silicate, 6 parts of polyacrylamide, 6 parts of polyisobutylene succinimide. The gasoline-containing exhaust gas adsorption activated carbon of the present invention has a gasoline vapor adsorption rate of 26% and a mechanical strength of ≥95%.

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PUM

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Abstract

The invention discloses gasoline-containing activated carbon for exhaust gas adsorption. The gasoline-containing activated carbon comprises a carbonized material and an impregnating solution impregnated inside the carbonized material, wherein the impregnating solution comprises the following components: phosphoric acid, magnesium oxide, zinc chloride, polystyrene microspheres, gypsum powder, silica, magnesium silicate, polyacrylamide and polyisobutylene succinimide. In the invention, the impregnation solution with an adsorption effect on gasoline vapor is impregnated into the carbonized material to form the gasoline-containing activated carbon for exhaust gas adsorption with a gasoline vapor adsorption amount higher than that of the conventional common activated carbon.

Description

technical field [0001] The invention relates to an activated carbon, in particular to an activated carbon for exhaust gas adsorption containing gasoline. Background technique [0002] With the acceleration of urbanization and the increase of urban population, the number of vehicles has risen sharply, and the environmental pollution caused by automobiles has become the first source of urban air pollution. The pollution caused by automobiles to the atmosphere mainly comes from the evaporation of automobile exhaust and fuel gas. 70%, fuel vapor pollution accounted for 30%. [0003] At present, activated carbon is commonly used as an adsorbent for gasoline vapor; activated carbon is a porous carbon-containing substance, and its highly developed pore structure makes it have a large surface area, so it is easy to fully contact with toxic and harmful gases in the air. The highly developed pore structure constitutes a strong adsorption force field, endowing activated carbon with un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J20/28B01J20/32B01D53/02
Inventor 邓军
Owner 成都漆彩之星环保科技有限公司
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