A two-stage filtering method of starting biological iron and manganese in addition

Manganese in addition to starting a two-stage filtration process biological iron belonging to the field of purification of groundwater. The present invention is a filter column operating by culturing, cultured at low filtration rate filter column, and progressively increase the filtration rate, taking recoil weak, the duty cycle as long as possible strategies, and coordinated operation between the two filter column, the low temperature and high iron manganese high quality so that the filter layer has the effect of removing iron and manganese, to achieve the startup process, the effluent up to the national drinking water standards, an adjusted two filtration rate and filtration rate and corresponding operating parameters, found optimization of operating parameters and stable operation of the process.