Dimethylamine waste gas treatment device and process in synthetic leather industry

Abstract

The invention discloses a dimethylamine waste gas treatment device and process in synthetic leather industry. The dimethylamine waste gas treatment device comprises a primary capture tower, a secondary capture tower, a dry filter, a photoelectric integral purifier and a nanometer absorption tower, wherein an air outlet of the primary capture tower is connected with an air inlet of the secondary capture tower through a pipeline; an air outlet of the secondary capture tower is connected with an air inlet of the dry filter through a pipeline; an air outlet of the dry filter is connected with an air inlet of the photoelectric integral purifier; an air outlet of the photoelectric integral purifier is connected with an air inlet of the nanometer absorption tower through a pipeline. A discharginghigh-voltage electrode is arranged in a plasma reaction section; the discharging high-voltage electrode is of a stainless steel mace structure. Compared with the prior art with the defects that the pretreatment efficiency is low, so that spark discharge is generated in the plasma discharging process, and meanwhile, the oil mist influences the discharging process efficiency, the dimethylamine waste gas treatment device and process have the advantages that after the two-stage capture towers are added, the plasma discharging efficiency is improved; sufficient high-energy active substances are generated; further, the dimethylamine degradation is ensured.

Description

technical field [0001] The invention belongs to the technical field of waste gas treatment, and in particular relates to a device for treating waste gas of dimethylamine in the synthetic leather industry based on photoelectric catalysis and a process thereof. Background technique [0002] Dimethylamine industrial waste gas mainly comes from the separation and purification process of dimethyl fumarate (DMF) aqueous solution. DMF is an important organic raw material and an excellent solvent, widely used in synthetic leather, gloves, copper clad laminates and other industries. In the prior art, DMF is mainly separated by heating and rectification. During the heating process, the decomposed dimethylamine waste gas is carried out by non-condensable gas in the exhaust of each equipment. Dimethylamine waste gas has a great impact on the environment, and it will also cause great harm to human health. If it is not handled properly, it will cause great harm to the surrounding environ...

AI Technical Summary

Problems solved by technology

Dimethylamine waste gas has a great impact on the environment, and it will also cause great harm to human health. If it is not handled properly, it will cause great harm to the surrounding environment and residents.

Photocatalytic equipment is simple, low in energy consumption, and easy to operate, but it is not effective in treating odorous gases with complex components and difficult to degrade

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