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Vehicular wood active carbon and preparing method tehreof

A technology for activated carbon and vehicles, which is applied in the field of wooden activated carbon for vehicles and its preparation, which can solve the problems of complex procedures, low adsorption capacity, high cost, etc., and achieve the effects of shortened process flow, stable quality and reduced raw material costs

Active Publication Date: 2004-09-15
FUJIAN XINSEN CARBON
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention solves the problems existing in the activated carbon produced in the prior art: the contradictory problems between molding and adsorption performance, adsorption performance and strength, activation degree and pore structure, and provides a kind of activated carbon with high adsorption capacity, high strength, low residual, medium Well-developed wooden activated carbon for vehicles
[0008] The present invention also solves the defects of complicated process and high cost in the existing production method of activated carbon for wooden vehicles, and provides a production method of activated carbon for wooden vehicles with simple production process and low cost

Method used

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  • Vehicular wood active carbon and preparing method tehreof
  • Vehicular wood active carbon and preparing method tehreof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The aqueous solution of zinc chloride prepared into Baume degree 60 and sawdust (less than 10% water) is mixed in a weight ratio of 3:1, and then mixed, shaped, shaped, carbonized, activated, rinsed, and dried. product. Its technological conditions are as shown in table 1, and the performance of the activated carbon product of preparation is as shown in table 2:

[0028] project

[0029] project

Embodiment 2

[0031] Mix 80% phosphoric acid and sawdust (less than 10% water) in a weight ratio of 2:1, and then process mixing, molding, setting, carbonization, activation, rinsing, and drying to make a product. Its process condition is as shown in table 3, and the activated carbon product performance of preparation is as shown in table 4:

[0032] project

[0033] project

[0034] The invention is a new type of activated carbon with high adsorption performance applied to a vehicle fuel volatilization recovery device (commonly known as a carbon tank), which can effectively reduce the emission of vehicle pollution.

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Abstract

The invention is a woody vehicle active carbon and making method, providing a woody active carbon with high adsorption capacity, high intensity, low survivor and developed medium hole. Its technique is simple and its cost is low. Its method: mixing wood with catalyst, molding (particles), setting (carbonizing), activating and drying to make the high performance woody molded active carbon. It lays the foundation of producing high absorption, high intensity woody carbon by primary activation. The volumetric proportion of 1-5nm medium hole is greater than 60%.

Description

(1) Technical field: [0001] The invention relates to a kind of activated carbon for wooden vehicles and a preparation method thereof. (two) background technology: [0002] The wide application of activated carbon in the food industry, chemical industry, pharmaceutical industry and other industries has a long history, but the extensive use in the automobile industry originated in the 1980s. The reason is that the emission pollution of automobiles has caused environmental pollution As a result, the governments of various countries have successively promulgated automobile emission regulations, making mandatory regulations on the emission limits of automobile pollutants. In my country, the "Automotive Fuel Pollutant Emission Standard" (GB 14761.3-93) issued by the State Environmental Protection Agency in November 1993 stipulates that light vehicles that have been finalized and produced since July 1, 1995 must be equipped with fuel evaporation control devices, so that The domesti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20C01B31/08
Inventor 林鹏
Owner FUJIAN XINSEN CARBON
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