Composition of poplar and pine blends. Blends of poplar and pine
were used to improve the chemical and compositional quality of
the pellets when poplar is used as raw material. The compositions
of the blends were made in order to obtain pellets with ENPlus A1,
A2 and B quality according to EN14961-2. The ash content was the
limiting parameter used to obtain the chemical and compositional
pellet quality desired.