Efficacy of Moringa oleifera Seed Husk as Adsorptive Agent for Trihalomethanes from a Water Treatment Plant in Southwestern, Nigeria

Table 3

Percentage composition of the elements in Moringa oleifera seed husk (MOSH) activated carbon.

Elements (%)	Before adsorption amount (%)	After adsorption amount (%)	After adsorption amount (%)
		Raw	Treated
Carbon	45.5	91.51	95.51
Chromium	3.0	—	—
Oxygen	10.0	3.50	3.53
Silicon	20.5	4.20	—
Zinc	31.0	—	—
Calcium	—	0.45	0.42
Sulphur	—	0.34	0.54