In today’s world, the heavy metal pollution has become one of the most serious environmental problems. Due to industrialization of today’s generation, we have more waste products. These products are rich in heavy metal ions and require a special treatment because of their recalcitrance and persistence nature.

With growing industrialization, technologies have also grown in recent years. Thus, we have various methods for the treatment of waste products, mainly waste water for the removal of heavy metal. This paper reviews the latest technologies that have been used for the treatment of wastewater which is rich in heavy metals.