Processing of Digestate to Pellets for Usage as Alternative Solid Fuel

A. F├╝rstaller, M.B. Huber, J. Krueger & M. Pfleger
Carrier of biogas plants are more and more confronted with big amounts of digestate. As in agriculture common, there are too many nutrients in a limited area and transportation costs are high. High water content, unpleasant odour and unpropitious characteristics cause serious problems in disposal or further processing. Generating a competitive and marketable product by manufacturing pellets out of digestate should help biogas plant owner to solve the removal problem and should bring further earnings...