Study on the Adsorption Properties of L-Alanine Modified Chitosan for Cesium Ion in Aqueous Solution

摘要

The chitosan was modified with L-alanine, which was used for the adsorption of cesium ion in aqueous solution. The results showed that: chitosan modified with L-alanine can remove cesium ions in the solution. When the initial concentration was kept as 150mg·L~(-1), the optimal adsorption conditions were: The adsorption time is 100 min, the adsorption capacity was 29.502 mg/g; the adsorption temperature is 25°C, the adsorption capacity was 30.742mg/g; dosage of adsorbent was 0.1g, the adsorption capacity of 61.234 mg/g; pH was 8, the adsorption capacity of 30.121mg/g.