Removal of Heavy Metal from ...
Published by Prem Baboo, Researcher at www.researchGate.net
Removal of Heavy Metal from neutralized waste derived from waste water, the heavy metals present in the neutralized waste water , will be removed by chemical precipitation with Sodium Sulphide. Chemical precipitation of heavy metals like Arsenic, Copper, Chromium, Nickel, Zinc & Vanadium by Sodium sulphide under alkaline condition
2 As3+ + 3 Na2S = As2S3 + 6 Na+