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- W2355656869 abstract "Heterogeneous catalytic ozonation was applied to the treatment of coal chemical industry wastewater secondary effluent. Activated carbon-supported copper and manganese oxide were used as catalysts to assist ozone in degrading COD and NH3-N of secondary effluent. The results indicated that the presence of catalysts significantly elevated the removal efficiency of ozone on COD and NH3-N,as compared to the single ozone oxidation. The final effluent removal efficiency of COD and NH3-N were 60%-72% and 30%-35%respectively,the average concentration of COD and NH3-N was lower than 60 and 15 mg /L,and met Wastewater Discharge Standard( GB 18918—2002). The catalytic activity was restricted in acidic conditions and promoted in alkali conditions,however,catalysts improved degradation efficiency regardless of acid-base conditions as compared to the single ozone oxidation. The final effluent biodegradability was significantly improved,and no secondary pollution in the receiving water was produced." @default.
- W2355656869 created "2016-06-24" @default.
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- W2355656869 date "2014-01-01" @default.
- W2355656869 modified "2023-09-24" @default.
- W2355656869 title "Research on heterogeneous catalytic ozonation of coal chemical industry wastewater secondary effluent" @default.
- W2355656869 hasPublicationYear "2014" @default.
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