Abstract

In this investigation, the nanocomposite (SC-C[6]) is prepared and characterized. The adsorption of chromium ions onto SC-C[6] as a function of pH solution, contact time, initial Cr(VI) concentration and effect of temperature is studied through batch experiments. The removal towards Cr(VI) increased with decreasing of pH solution, from 7.5 to 1.5, while it decreased with increasing of initial Cr(VI) concentration and temperature. The maximum Cr(VI) adsorption capacity for SC-C[6] reached at pH 1.5, 10.4mgL−1, 25 °C and 1 h, and the mechanisms may include electrostatic interaction and hydrogen bonding between the nanocomposite and Cr(VI) anions.

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