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LD gidan septic tank
A wani tanki mai ɗorewa wani nau'in kayan kwalliya na gida, galibi ana amfani da narkewar kwayoyin halitta a cikin ƙananan kwayoyin halitta da rage yawan kwayoyin halitta. A lokaci guda, ƙananan kwayoyin da subbari sun canza zuwa biogas (galibi sun haɗa da Ch4 da CO2) ta hanyar hydrogen da ke samar da ƙwayoyin cuta na acetic acid da kuma methane na ƙwayoyin cuta. Nitrogen da abubuwan haɗin phosphorus sun kasance a cikin biogas slurry azaman amfani da kayan aikin ƙarshe na amfani. Doguwar dogon lokaci zai iya samun sterilization sterilip na Anaerobic.
