As a naturally occurring element, nickel is 5th most abundant
element. It is found in rock or soil or sediment. It is largely present
in the wastewaters coming from industrial production processes
such as mining, smelting, galvanization, batteries manufacturing and metal finishing [7,8]. The presence and accumulation of Ni(II)
in industrial effluents have a toxic or carcinogenic effect on living
species. World Health Organization (WHO) has set that the
maximum amount of nickel in drinking water is 0.1 mg/L.
However, the concentration of Ni(II) in many electroplating
effluent water is as high as 50 mg/L. Thereby, it is a challenging
objective to eliminate Ni(II) ions from wastewaters. The same as
CIP, there are few studies dealing with the elimination of Ni(II),
when compared with other widely used heavy metal.