In order to see the effect, if any, of Si/Al ratio on the adsorption capacity of the zeolite for nitrogen at high temperature, the adsorption experiments were carried out with ZSM-5 zeolite with Si/Al ratio of 990.

• 为了了解在高温时沸石的Si/al比对氮气吸附容量的影响(如果有的话),还进行了Si/al比为990的沸石对氮气的吸附实验。