摘要

The adsorption characteristics of rare earth ion La(III) on Yunnan bowl tea surface from aqueous solution and effects of various surfactants on the adsorption were studied. It was found that Yunnan bowl tea can adsorb strongly La (III) and pH may affect drastically the adsorption amount of La(III). The adsorption law of La(III) on Yunnan bowl tea surface follows the Langmuir equation. The maximum adsorption amount of La(III) can reach 15 mg.g(-1) . A comprehensive adsorption model is suggested according to the experimental results.