Innocent treatment method for sulfuryl fluoride gas

Abstract

The invention belongs to the technical field of gas pollutant treatment, in particular relates to an innocent treatment method for sulfuryl fluoride gas. The method comprises the following steps of: dividing a plasma reactor serving as a reactor into two stuffing cavities between two electrodes by gas distribution baffles at both ends and a porous baffle in the middle; and introducing sulfuryl fluorid-containing gas into the plasma reactor from a gas inlet, performing oxidization reaction and degradation reaction on the sulfuryl fluorid-containing gas and high-energy electrons and active particles which are generated by electric discharge and reacting with secondary stuffing in the plasma reactor and absorbing under the action of nonequilibrium plasma to generate non-toxic and innocent gas without greenhouse effect and discharging from a gas outlet. The method has the advantages that the sulfuryl fluoride is oxidized and degraded under the action of the nonequilibrium plasma by adopting a mode that the discharge plasma and the stuffing are in the same electric field simultaneously, and reacts with the stuffing loaded in the reactor simultaneously to be absorbed so as to promote the reaction to perform towards the innocent direction, and improve the desorption efficiency, and thus the utilization ratio of energy is improved.

Description

technical field [0001] The invention relates to the technical field of gas pollutant treatment, in particular to a method for harmlessly treating sulfuryl fluoride gas. Background technique [0002] Fluorine sulfate, as a fumigant instead of methyl bromide, has been gradually popularized and applied all over the world. Because sulfuryl fluoride has many characteristics such as strong diffusion and permeability, and broad-spectrum insecticide, it is more and more widely used in various aspects such as cargo ships, containers, storage, buildings, and food. However, as a fumigant, sulfuryl fluoride is necessarily toxic, and long-term exposure will have serious effects on human health, and even cause death. The latest research from the Massachusetts Institute of Technology in the United States found that sulfuryl fluoride is a strong greenhouse gas. The effect of 1 kg of sulfuryl fluoride emitted into the atmosphere on global warming is equivalent to 4,800 times that of 1 kg of...

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Problems solved by technology

[0003] Since sulfuryl fluoride has been used as a fumigant instead of methyl bromide for a short time, and the related hazards of sulfuryl fluoride have not attracted enough attention, so there is currently no uniform and feasible method for the harmless treatment of sulfuryl fluoride gas. The method is to use ventilation to discharge the residual sulfuryl fluoride waste gas into the atmosphere. This method not only pollutes the environment, increases greenhouse gas emissions, but also endangers the health of surrounding residents.

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