Application of AO +Fenton Reaction Tank+ BAC Combined Process to Treat Circulating External Drainage in Power Plants
The circulating external drainage of a certain power plant mainly comes from the continuous circulation of the condenser in the circulating water system of the power plant,which cools the unit.Due to its poor biodegradability,low organic matter concentration,and high hardness,the comprehensive sewage treatment plant of a certain power plant adopts the AO+Fenton reaction tank+BAC combination process to treat this wastewater.The effluent quality follows the Class A discharge standard of the"Pollutant Discharge Standard for Urban Sewage Treatment Plants"(GB18918-2002).The results show that the AO+Fenton reaction tank+BAC combination process can ensure that the effluent meets the standard stably,with CODCr,total nitrogen The total phosphorus removal rates were 85%,87.8%,and 90%,respectively.
circulating external drainage of power plantAOFenton reaction tankBACcombined process
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