Toxic metal removal from wastewater has become an important issue due to the adverse effects it can have on the environment and human health. One promising solution to this problem is the use of biocarbon as a method of removing these metals from wastewater. Biocarbon is a form of activated carbon that is produced from renewable biological materials such as wood, coconut shells, or agricultural waste. The process of using biocarbon to remove toxic metals from wastewater involves the adsorption of the metal ions onto the surface of the biocarbon. This is achieved through the physical and chemical properties of the biocarbon, which make it an excellent adsorbent material. Biocarbon has a high surface area, which provides a large contact area for the metal ions to interact with. Additionally, the porous structure of biocarbon allows for the metal ions to be trapped within the pores, further increasing the efficiency of the adsorption process. One of the key advantages of using biocarbon for toxic metal removal is its ability to be regenerated and reused. After the biocarbon has reached its saturation point and can no longer adsorb any more metal ions, it can be regenerated through a process known as desorption. This involves treating the biocarbon with a chemical solution that removes the metal ions from the surface of the biocarbon, allowing it to be reused for further adsorption. Another advantage of using biocarbon for toxic metal removal is its low cost compared to other treatment methods. Biocarbon is a relatively inexpensive material to produce, and the process of using it for wastewater treatment is simple and cost-effective. This makes it an attractive option for small-scale wastewater treatment facilities, as well as larger facilities looking to reduce their overall treatment costs.