脱だっ窒ちつ

noun

denitrification; denitration

Technical term used in environmental science, chemistry, and wastewater treatment. Denitrification refers to the microbial reduction of nitrate to nitrogen gas; denitration is the removal of nitrate or nitric acid groups.

• 脱だっ窒ちつは、水すい中ちゅうの硝しょう酸さん態たい窒ちっ素そを窒ちっ素そガスに変へん換かんする重じゅう要ようなプロセスです。

  Denitrification is an important process that converts nitrate nitrogen in water into nitrogen gas.

• この排はい水すい処しょ理り施し設せつでは、脱だっ窒ちつのために嫌けん気き槽そうが設もうけられています。

  In this wastewater treatment plant, an anaerobic tank is provided for denitrification.