2004•Environmental ChemistryRequires access

STUDY ON ADSORPTION OF Cd~(2+) WITH Na-MODIFIED BENTONITE

Yang Xiu-hong

Abstract

The adsortion of cadmium ions in Ca-bentonite and Na-modified bentonite was studied by isothermal adsorption method.Those results were compared with the adsorption of cadmium ions in soil,and shown that Na-modified bentonite has a high affinity for cadmium ions,it can be used to remedy heavy metal contaminated soils.pH value is an important factor to for affecting adsorption.

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Key concepts: Bentonite, Adsorption, Cadmium, Metal ions in aqueous solution, Chemistry, Metal, Environmental chemistry, Ion