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《Railway Occupational Safety, Health & Environmental Protection》 2002-01
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Study on Cooling Wastewater Treatment of Diesel Locomotive

YU Li\|hua, SHI Wei, XU Suo\|hong (Department of Environmental Science and Engineering, Dalian Railway Institute, Dalian\ 116028,China)  
The treatment of cooling wastewater of diesel locomotive by using biofilm reactor with rice husk as a carrier is introduced. The results showed that the method has a high removal efficiency of nitrate and nitrite nitrogen, COD. The average removal rate of NO\+-\-3\|N\,NO\+-\-2\|N, and COD was 94\^1%,92\^1%,66\^2%, respectively. The effluent quality is stabled and conforms to the national permitted criterion. The characteristics of the reactor is studied.
【CateGory Index】: X731
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