Denitrification accelerator and water treatment method

摘要

PROBLEM TO BE SOLVED: To provide an agent for promoting denitrification which can easily be reinforced and fixed in a vessel, has an excellent contact efficiency with water, and allows the consumption of the components and an easy determination of the consumption, and to provide a water treatment method. SOLUTION: The agent typically contains a 10 or more C straight-chain carboxylic acid or a 12 or more C alcohol as a main component and comprises solid matter having recessed and projected parts at least one or more places and a skeletal structure is arranged in the solid matter.