“…Palm solid wastes (including palm fiber, shell and empty fruit bunches) are abandoned materials produced during palm oil milling process. For each bunch of the fresh palm fruit, approximately 21% of palm oil, 6 -7% of palm kernels, 14 -15% of palm fibers, 6 -7% of palm shells and 23% of empty fruit bunches are obtained which can meet the energy demand, if properly managed (Dalimin, 1995).…”