Nowadays chemical industries (acid manufacturing industries) are expanded across a globe and which is highly toxic to cause severe hazardous to Human beings and the Environment during its application. Adsorption Process using Vernonia amygdalina as an activated charcoal has been considered as the most available, renewable, acceptable, and convenient adsorbent material. Therefore, this book investigates how charcoal (activated carbon)can be prepared, optimized, and used for the targeted application.