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| Study on treatment of coal chemical sewage and waste gas by UV photocatalysis-activated carbon method |
| Li Bin |
| Tangshan Zhonghao Chemical Corporation Ltd.，Tangshan 063611, China |
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Abstract In order to achieve the standard discharge of coal chemical sewage and waste gas, the combined process technology of UV photocatalysis-activated carbon adsorption was used to treat coal chemical sewage and waste gas. The operation results show that the odor, ammonia, hydrogen sulfide and other pollutants in the waste gas can be effectively removed by washing, UV photocatalysis and activated carbon adsorption. After treatment, the ammonia concentration of the waste gas is reduced to 0.7 ~ 1.2 mg/m3, the hydrogen sulfide concentration is reduced to 0.037 ~ 0.048 mg/m3, and the odor concentration is reduced to 12 ~ 19 (dimensionless), and the discharge standard of sewage and waste gas has reached the second-level discharge standard of the factory boundary of the "Pollutant Discharge Standard of Urban Sewage Treatment Plant" (GB18918-2002). The successful operation of the device has important practical significance for the safety production of enterprise and the improvement of atmospheric environment, and provides a reference for the treatment of wastewater and waste gas in the coal chemical industry.
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