INDUSTRIAL EFFLUENT TREATMENT SYSTEM AND TREATMENT METHOD

摘要

The present invention is provided with: a buffer tank 12 that temporarily receives and stores industrial park effluent 11; a primary treatment means 13 that performs a primary treatment on outflow water 11A from the buffer tank 12; an activated sludge treatment device 14 that is a secondary treatment means that, using activated sludge, performs a secondary treatment on inflow water 11B that has been treated by the primary treatment means 13; an organic-matter-concentration measurement means 15 that measures the concentration of organic matter in the industrial park effluent 11 flowing into the buffer tank 12; and an activator administration means 17 that administers, to the secondary treatment means, an activator 16 that activates essential microorganisms contained in the activated sludge of the activated sludge treatment device 14. The present invention determines the composition of the inflow water 11B on the basis of the measurement results from the organic-matter-concentration measurement means 15, uses a control means 20 to administer the activator 16 in an amount corresponding to the determined composition, and, by administering the activator 16 in said manner, improves the activation of the microorganisms.