“…8,9 Although heavy metals are essential elements in maintaining metabolism in the human body, only trace amounts are required, since high concentrations that exceed the limits of legislative standards may result in severe poisoning. 10,11 According to the World Health Organization, copper (Cu) is one of the most common and toxic heavy metals and is found in wastewater from a variety of industries, including mining waste, electronic and electrical devices and equipment, metal plating, and glass colouring. 2 Copper is an essential trace element that is necessary for the survival of living organisms 12 and plays a major role in human and animal health and cell function.…”