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  • Removal of Cr6+ ions from wastewater in presence of quaternary ammonium salts 

    Drweesh, M.A.; Salem, D.M.S.A. (National Institute of Oceanography and Fisheries, 2006)
    The rate of reduction of Cr6+ to Cr3+ reaction in K2Cr2O7 has been studied and it is found to be first order. The rate of reaction at 0.05 mole of K2Cr2O7 have been measured in absence of quaternary ammonium salts as CTAB ...