Abstract
The adsorption isotherm and adsorption reaction kinetics ofcarboxymethyl chitosan(CMCS) for Fe2+ have been studied. The results showed that CMCS appeared a good adsorbent for Fe2+ in solution with pH 6～8 and the adsorption capacity of CMCS increased with the increase in its carboxyl groups. The adsorption isotherm of CMCS for Fe2+ at 20 ℃ was fitted good for the Langmuir equation.
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维普
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