Heavy Metals Adsorption by Fiber Ash

TL;DRAbstract

The problem of pollution by heavy metals is currently attracting global attention because of the deleterious effects it has on the environment and especially on human health. The prohibitive cost of the contemporary methods of their removal coupled with the fact that such methods are usually unsustainable has prompted the quest for environmentally friendly, sustainable, readily available and cost effective methods for the removal of heavy metals from contaminated wastewaters and soils. Previous studies have been carried out on natural and rest-product materials but it was mostly comparative, trying to find out which of them adsorbs best. In this study, batch experiments are conducted with fiber ash to find out if it could be used to purify contaminated waters and the metals under consideration were Cd, Cu, Ni, Pb and Zn. During the batch runs, there was a manipulation of the different environmental parameters (pH, sorbate/sorbent mass ratio, metal concentration, mass of sorbent) to fin

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