noun
treatment plant; treatment facility
Refers to a facility where some kind of processing or treatment is carried out, such as water treatment, waste processing, or industrial treatment.
この町には下水処理施設がある。
This town has a sewage treatment plant.
新しいごみ処理施設の建設が計画されている。
Construction of a new waste processing facility is planned.
Compound of 処理 (shori, 'processing, treatment') and 施設 (shisetsu, 'facility, institution').