MICROBIAL CARRIER AND WATER TREATMENT METHOD

WIPO Patent Application WO/2023/189743

A1

The present invention provides a microbial carrier in which denitrification efficiency is stabilized and improved, and a water treatment method using the same.　The microbial carrier of the present invention, which carries a microorganism having a denitrification ability, comprises an iron-containing carrier containing a biodegradable resin and iron, wherein: when the iron-containing carrier contains phosphorus, the molar ratio of phosphorus to iron (phosphorus/iron) X in the iron-containing carrier is 0