Table 2.

Elemental composition of pretreated and untreated Arachis hypogea shells (%wt).

Treatments	Carbon	Oxygen	Sulphur
A	56.80	38.66	3.87
B	44.11	37.56	17.53
C	54.01	31.92	12.94
D	54.86	31.86	12.52
E (Control)	60.50	36.70	0.30