Biodiesel Production from Castor Oil by Using Calcium Oxide Derived from Mud Clam Shell

Table 2

Catalyst BET result.

Catalyst	BET surface area (/g)	Pore volume (/g)	Average pore radius ()
Commercial CaO	62.91	0.097	36.3
Mud clam shell CaO	68.57	0.100	46.4