Kayan aikin tsabtace ruwa na rayuwa shine kayan aikin da ake amfani da su don sarrafa ruwan da ke cikin rayuwa. Ƙananan rayuwa tsabtace ruwa biogas tafkin amfani da yanayin zafi anaerobic fermentation fasaha.

Dangane da ka'idar "Multi-mataki kai kwarara, mataki-mataki lalacewa", kafa wani sabon na'ura na I-mataki na anaerobic fermentation - II-mataki na biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu-biyu