Warnijati, S.; Agra, I.B.; Sudjono - In: Renewable Energy 9 (1996) 1, pp. 934-937
To improve energy efficiency, coconut shells were pyrolyzed in a concentric three tubes reactor using a combination of external and internal heating method. Coconut shells were oxidized partially at the bottom of the reactor, and the gas rised through the redhot charcoal packing to be cracked to...