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The performance of pilot scale hybrid process of fluidized biofilm process, chemical coagulation and ultrafiltration system for surface water treatment was studied. In order to remove ammonia nitrogen (NH4+-N) and DOC efficiently, fluidized biofilm process with entrapped nitrifying bacteria pellets and powder activated carbon was applied to the hybrid process. FeCl3ldr6H2O and 7 mg (Fe)/l were determined...
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