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Clean recycling technology of air purification carbon material

A technology of air purification and carbon materials, applied in the field of environmental governance, can solve the problems of reduced adsorption performance, easy clogging of micropores, affecting recovery rate of adsorption performance, etc., and achieves the effects of high-efficiency treatment, low energy consumption, and low cost

Inactive Publication Date: 2018-06-19
江苏瑞丰科技实业有限公司
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Problems solved by technology

The chemical solution regeneration method is more suitable for reversible adsorption, such as the adsorption of high-concentration, low-boiling point organic wastewater; but this method is not very thorough regeneration, micropores are easy to block, affecting the recovery rate of adsorption performance, and the adsorption performance is obvious after multiple regenerations reduce

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~3 and comparative example 1~3

[0025] The activated carbon is taken from the waste honeycomb activated carbon module (module size: 45*33*13 mm; number of holes: 210 holes; single block mass: 10±0.05 g / block).

[0026] (a) Analysis of activated carbon surface composition

[0027] Using TG-MS coupled technology. Through the detected gas composition, the composition of the catalyst impregnated on the surface of the activated carbon and the composition of the adsorbed exhaust gas are speculated to determine the exhaust gas treatment method.

[0028] (b) Formulation of recycled materials

[0029] Prepare recycled materials according to the composition and ratio of recycled materials in Table 1.

[0030] (c) Dipping

[0031] At room temperature, the waste honeycomb activated carbon module was soaked in the recycled material, left to stand for 2 h, taken out, and naturally air-dried until there was no liquid on the surface.

[0032] (d) Drying and reactivation

[0033] Put the surface-dried module into a dry...

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Abstract

The invention discloses a clean recycling technology of an air purification carbon material. According to the technology, as for filtered air purification activated carbon, the composition of a catalyst on the activated carbon is analyzed, an activated carbon recycling material formed by acid and a strong oxidant is adjusted according to ingredients, and normal-temperature and efficient recyclingof the activated carbon is realized in an impregnation, drying and reactivating manner. By means of the technology, regeneration of industrial and civil activated carbon can be realized, the use costis reduced, the development of circular economy is realized, environmental protection is realized and discharging is reduced.

Description

technical field [0001] The invention relates to an activated carbon regeneration technology, in particular to an air purification carbon material cleaning regeneration utilization technology, which belongs to the field of environmental management. Background technique [0002] Activated carbon is made of substances with high carbon content and relatively developed voids, such as coal, fruit shells, wood, bones, petroleum residues, etc., which are first carbonized and then activated at a high temperature of 800 to 1500 ° C to form a well-developed carbon. Micropores and mesopores make its specific surface area and adsorption capacity meet certain requirements. The production of ordinary activated carbon is generally divided into two processes, the first: carbonization, and the second: activation. It is the most effective adsorption material that the current scientific level can achieve. [0003] Activated carbon for air purification, choose high-quality wood or coconut shel...

Claims

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Application Information

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IPC IPC(8): B01J38/70B01J38/60B01J21/18B01J20/34B01J20/20
CPCB01J20/20B01J20/3416B01J20/3475B01J21/18B01J38/60B01J38/70
Inventor 杜峰高卫民
Owner 江苏瑞丰科技实业有限公司
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