Biomass of Palm Oil

per MT FFB,

mass balance as below :

1. CPO (25%)
2. PK (6%)
3. EFB (23%)
4. Shell (7%)
5. Fiber (12%)
6. Balance of moisture, sludge and NOS (27%)

source ; Rules of thumb.

27 mt/hr boiler at 45 mt/hr rated mill using only 49% of fiber and shell during normal hours.

it mean, 61% of the mesocarp fiber is excess and send to estate for mulching.