Organic waste gas purification process

A technology of organic waste gas and purification process, which is applied in the direction of chemical instruments and methods, separation of dispersed particles, filtration of dispersed particles, etc. It can solve the problems of unstable reaction effect of activated carbon, low efficiency of waste gas treatment, high operating cost and other problems, and achieve the treatment effect Thoroughness, stable treatment effect, and low investment in equipment

Inactive Publication Date: 2015-11-18
钱培玉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The traditional removal of organic gases uses activated carbon adsorption to remove, and the saturated activated carbon will be regenerated. However, after repeated use, the activated carbon will be completely saturated and cannot be regenerated. These activated carbons will cause certain harm to the environment as hazardous waste.
At the same time, the treatment, regeneration and replacement of activated carbon will generate large operating costs. During these processes, the waste gas treatment is in a stagnant state, so the waste gas treatment efficiency is not high enough, and the reaction effect of frequent replacement of activated carbon is not stable enough. Moreover, activated carbon treatment equipment requires a certain amount of equipment. Contact time, and atmospheric pollution when the carbon layer penetrates

Method used

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Embodiment 1

[0025] As an embodiment of the organic waste gas integrated purification equipment of the present invention, such as figure 1 As shown, it is used to purify organic waste gas. The organic waste gas integrated purification equipment includes a housing 1, a reaction vessel 2, a free radical generation system 3, a reaction wall 4 and a reaction liquid atomization system. The housing 1 is a closed The free radical generating system 3 and the reaction wall 4 are arranged inside the reaction vessel 2, the reaction wall 4 is located above the free radical generating system 3, the reaction vessel 2 is arranged inside the housing 1, and the organic waste gas Input the interior of reaction vessel 2 through input pipeline 5, described free radical generating system 3 is connected with described input pipeline 5 through communication pipeline 6, is provided with catalyst on described reaction wall 4, and described reaction liquid atomization system is arranged at the Above the reaction wa...

Embodiment 2

[0037] As an embodiment of the organic waste gas integrated purification equipment of the present invention, such as figure 2 As shown, the difference from Embodiment 1 is that in this embodiment, a filter system 11 is provided on the input pipe 5 , and the filter system 11 is located outside the reaction vessel 2 . Before the step (1), there is an operation of filtering the organic waste gas entering the housing 1 using the filter system 11 , and the filtered organic waste gas then enters the reaction vessel 2 . The catalyst is titanium oxide. The catalyst carrier is silica gel and ceria. When the organic waste gas contains more particulate pollutants, a filter system 11 is required, and the filter system 11 can remove particulate pollutants in the organic waste gas.

[0038] In this embodiment, other structures, technological processes and beneficial effects are consistent with those in Embodiment 1, and will not be repeated here.

Embodiment 3

[0040] As an embodiment of the organic waste gas integrated purification equipment of the present invention, the difference from Embodiment 1 is that in this embodiment, the input pipeline 5 is provided with a filter system 11, and the filter system 11 is located in the reaction vessel 2 external. Before the step (1), there is an operation of filtering the organic waste gas entering the housing 1 using the filter system 11 , and the filtered organic waste gas then enters the reaction vessel 2 . The catalysts are iron oxides and manganese oxides. The catalyst carrier is activated carbon.

[0041] In this embodiment, other structures, technological processes and beneficial effects are consistent with those in Embodiment 1, and will not be repeated here.

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Abstract

The invention relates to the technical field of organic waste gas purification treatment, in particular to an organic waste gas purification process. The organic waste gas purification process comprises the following steps: (1) introducing organic waste gas into the lower part of a reaction container through an input pipeline, driving a free radical generation system to work in order to generate free radicals, and mixing the generated free radicals with the organic waste gas in the input pipeline through a communication pipeline; (2) driving the mixed organic waste gas and free radicals pass through a reactive barrier together; (3) spraying reaction liquid out of a reaction liquid spray head, lowering the reaction liquid onto the reactive barrier, and reacting the reaction liquid with the raising mixed organic waste gas and free radicals under the action of a catalyst to realize purification; (4) discharging the purified organic waste gas out of an output pipeline under the action of a fan, lowering the reaction liquid onto the bottom of the reaction container, and repeatedly recycling the reaction liquid through a reaction liquid pipeline.

Description

technical field [0001] The invention relates to the technical field of organic waste gas purification treatment, in particular to an organic waste gas purification process. Background technique [0002] Traditionally, activated carbon is used to remove organic gases, and the saturated activated carbon will be regenerated. However, after repeated use, the activated carbon will be completely saturated and cannot be regenerated. These activated carbons will cause certain harm to the environment as hazardous waste. At the same time, the treatment, regeneration and replacement of activated carbon will generate large operating costs. During these processes, the waste gas treatment is in a stagnant state, so the waste gas treatment efficiency is not high enough, and the reaction effect of frequent replacement of activated carbon is not stable enough. Moreover, activated carbon treatment equipment requires a certain amount of equipment. The contact time, and the carbon layer will po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/90B01D53/44B01D46/00
Inventor 钱培玉
Owner 钱培玉
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