重点介绍了壳聚糖及其衍生物的交联和功能化反应，以及交联后的树脂对多种金属离子的吸附情况。
Crosslink and chemical modification of chitosan and its derivates was introduced with emphasis, as well as the adsorption of metal ions of the crosslinked resin.
采用两种方法制备交联壳聚糖树脂。
Crosslinked chitosan resins were synthesized by two methods.
实验结果表明，交联壳聚糖树脂吸附低浓度游离酸的过程是遵循单分子层机制进行的。
The results showed that the absorption of the low concentration free acid by crosslinked chitosan resin obeys the formation of monolayer molecule sorption.
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