... bark, twigs,and other forest residues can contribute a comparableamount. The cost for cultivation and harvest of thesebio-residues is covered by the main products.We have checked the conventional ... with ther-moneutrality in the range of about 20% char yield.Together with some thermal insulation losses, a con-sumption of ca. 10% of the bioenergy is thereforeexpected for FP in practice. The ... lignocellulose with ash, the ash must beadded to the char, and the moisture, to the reactionwater or the condensate. For the yield percentagesrelated to the real material, the corrected numbers...