Table 1. Characteristics of oil palm shell and derived char (Guo and Lua, 2000).

 

Solid density
rs(g/cm3)

Apparent density,
ra(g/cm3)

Porosity,
e [rs - ra] / rs] x 100%

Oil palm shell

1.53

1.47

3.9

Shell char

1.62

1.31

19.1

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