Peichao Wang

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Petrochemical wastewater was pretreated by hydrolysis acidification to improve the biodegradation and treatability on limited aeration conditions. The results showed limited aeration with DO from 0.2 to 0.3mg/L (average ORP was -210 mV) was the best condition. The BOD5/COD of influent was 0.23, and it increased to 0.43 on this condition. Limited aeration(More)
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