The use of agricultural products an

The use of agricultural products and by-products has been widely investigated as a replacement for
current costly methods of removing heavy metals from water and wastewater. Some of the agricultural
materials can be effectively used as a low-cost sorbent. Modification of agricultural by-product could
enhance their natural capacity and add value to the by-product. In this review, an extensive list of
sorbent literature has been compiled to provide a summary of available information on a wide range of
low-cost agricultural product and by-product sorbent and their modification for removing heavy metals
from water and wastewater.