of acid sites and total SiO_2/Al_2O_3 or sodium ion exchanged during the preparation and ion exchanging process for the same series of synthetic mordenites.

• 试验表明同一系列合成丝光沸石制备和交换过程中,总SiO_2/Al_2O_3和钠被交换率与酸中心数有一定关系。