1987•Huadong Shifan Daxue xuebao. Ziran kexue banRequires access

The Adsorption of Fine Sediment for Pb,Cd,Cu

B Chen

Abstract

This paper deals with the adsorption of sediment for Pb,Cd,Cu in the Yangtze River estuary.The experiments show that the organic materials on sediment surface, potential of solid-liquid interface,pH and temperat-ure in the medium affect the adsorption.pH in medium affects not only the hydrolysis of heavy metal ions,but also the ζ potential of sediment.The adsorption of sediment for Pb,Cd,Cu follows Freun- dlich isothermal equation.

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Key concepts: Adsorption, Sediment, Estuary, Yangtze river, Metal, Environmental chemistry, Metal ions in aqueous solution, Chemistry