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LD Tankin Septic na Gida
Tankin mai rufaffiyar gidan wani nau'in kayan aikin tsabtace najasa ne na cikin gida, galibi ana amfani da shi don narkewar najasa na cikin gida, yana lalata manyan kwayoyin halitta zuwa ƙananan ƙwayoyin cuta da rage tattarawar kwayoyin halitta mai ƙarfi. A lokaci guda kuma, ƙananan ƙwayoyin cuta da ƙwayoyin cuta suna jujjuya su zuwa biogas (wanda aka fi sani da CH4 da CO2) ta hanyar samar da kwayoyin cutar acetic acid da methane masu samar da kwayoyin cuta. Abubuwan Nitrogen da phosphorus sun kasance a cikin slurry na biogas a matsayin abubuwan gina jiki don amfani da albarkatu daga baya. Tsayawa na dogon lokaci na iya samun haifuwar anaerobic.
