Then, HCl solution was used as a regenerant for modified zeolite.Influence that concentration of HCl, flow rate and regenerating time on regeneration effect was also studied.

• 然后采用盐酸逆流再生失效沸石，以再生效率和再生酸耗为衡量指标，考察了再生液浓度、再生液流速和再生时间对再生效果的影响；