More and more effort is being put in the utilization of bio-solids. Bio-solids can be an important source for useful products like fertilizers and biogas. DMT has been developing biogas treatment plants for over 20 years following the market developments closely.
Biogas was first seen as a nuisance at e.g. landfills, creating odor problems and methane emissions. A flare has always been a cheap and simple solution. But with time more and more biogas was produced intentional from bio-solids to generate energy.