Removal of Fe2+ and Fe3 + ions of iron from synthesis wastewater using Sorbex ™ absorbent
2008
Tengku Fazli, T.J. | Ahmad Nairn, A.Y. | Khairul Nadiah, I. | Elmy Nahida, 0. | Sabrina, K | Nur Nadiatul Hidayah,S.R. | Nadia, R. | Mohamad Ali, A.
Water pollution is a major environmental problem faced by modem society that leads to ecological disequilibrium and health hazards. Heavy metal ions such as copper, cadmium, lead, nickel, and chromium, often found in industrial wastewater, present acute toxicity to aquatic and terrestrial life, including humans. Thus, the discharge of effluents into the environment is a chief concern. The methods commonly used to remove toxic heavy metals from municipal and industrial wastewater are based on the absorption of ions onto insoluble compounds. Sorbex ™ is comprised of impregnated sulfide of lightweight cementitous porous matrix that allow precipitation with heavy metal ions in water. It is used as absorbent to remove heavy metals and protect the environment from heavy metal leaching. These studies are focus on ability and efficiency of Sorbex™ as absorbent in removing heavy metals ions in wastewater compare with Granular Activated Carbon (GAC) and Powdered Activated Carbon (PAC). The study was carried out for simulated wastewater and analyzed using Flame Atomic Absorption Spectrophotometry (AAS). As a results, it was found that the Sorbex™ granular had removed 97.9 % ion Fe2+and 96.3 % ion Fe3+. It is proved that Sorbex™ could be one of the alternative sources of absorbent to remove heavy metals in wastewater treatment.
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