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How to purify the peculiar smell VOC waste gas of printing ink in color printing factory

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treatment method of printing ink waste gas
paint waste gas is extracted through induced draft fan. After purification by paint mist filter, fine dust, non solidified paint particles and a small amount of organic waste gas particles in the waste gas are filtered and intercepted to ensure that most of the dust particles in the waste gas are intercepted and removed. After pretreatment, the waste gas enters the ultraviolet cold combustion deodorization equipment, After high-energy ultraviolet beam cracking /ozone oxidation treatment, it is finally discharged into the atmosphere through the pipeline
UV /ozone photolysis and oxidation technology is a new waste gas treatment technology. Its basic principle: on the one hand, under the irradiation of high-energy UV, the waste gas can degrade and transform volatile organic compounds (VOCs) into low molecular compounds such as CO2 and H2O through various reactions (photochemical reactions) such as ring opening and breaking of chemical bonds; On the one hand, high-energy ultraviolet light is used to irradiate oxygen in the air to generate ozone. Ozone absorbs ultraviolet light to generate oxygen free radicals and oxygen. Oxygen free radicals interact with water vapor in the air to generate hydroxyl free radicals, a stronger oxidant, which is thoroughly oxidized with organic waste gases such as alcohol, aldehyde and carboxylic acid to inorganic substances such as water and carbon dioxide. In addition, ozone that does not absorb ultraviolet rays is also a strong oxidant. After contacting with some organic wastes, it will be oxidized to produce inorganic substances such as water and carbon dioxide.

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