No more man hole. The Biofil toilet system is an alternative to septic tanks and pit latrines.
How does biofill & biogas work?
A biodigester is like a mechanical stomach. It is fed with organic material, which is broken down (decomposed) by micro-organisms (bacteria) is an oxygen-free (anaerobic) environment to produce a renewable energy called biogas (methane and carbon dioxide) and other material that is mainly used as fertilizer. This system is more efficient than having a old manhole