Water treatment method

Abstract

A method for treating water including: passing water to be treated containing organic matters and ammonia nitrogen through a reaction tank containing a carrier for treatment under aerobic conditions, wherein a water content of the carrier is 50% or more and 96% or less; the carrier has continuous pores with a pore size of 30 μm or less; an organic matter concentration in the water to be treated is 100 mg/L or less as a BOD5, and an ammonia nitrogen concentration is 50 mg/L or less; a retention time of the water to be treated in the reaction tank is 2 hours or less; and the organic matters and the ammonia nitrogen in the water to be treated are treated in the same tank.

Dependencies are inferred from the claim text.