同时还综述了4A沸石作为洗涤剂助剂、离子交换材料、吸附脱附材料、催化剂载体及主客体化学材料等的应用；
Applications of 4A zeolite as detergent builder, ion-exchange materials, adsorption-desorption materials, catalyst carrier et al were summarized.
方法：应用主客体识别原理，选择主体分子，经重结晶从挥发油中选择分离单一化学成分。
Method: the host molecule was selected and a single chemical component isolated from volatile oil by the host guest recognition.
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