Chromium (III) removal by weak acid exchanger Amberlite IRC-50 (Na)
作者： S. Mustafa , K.H. Shah , A. Naeem , M. Waseem , M. Tahir
DOI: 10.1016/J.JHAZMAT.2008.02.071
关键词:
摘要: Abstract Chromium (III) sorption on a weakly macroporous cation exchanger Amberlite IRC-50 (Na) is studied as function of time and temperature. The rate constant values for chromium are calculated both film particle diffusion processes. temperature found to have positive effect the diffusional high energy activation confirm nature process. pH changes in system show competition between Cr(OH) 2+ H + ions exchange sites adsorbent. Equilibrium data explained with help Langmuir equation. Various thermodynamic parameters (Δ °, Δ S ° G °) from resin calculated.
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