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采用综合改性法对 HZSM- 5沸石进行改性处理 ,在脉冲 -在线装置对改性催化剂进行了评价 .试验表明 ,经水热处理与稀土改性相结合所得的 HZSM- 5沸石对 C1 2 烷烃的裂化有着良好的催化性能 .
HZSM-5 zeolite was modified by a comprehensive modification method, and the modified catalyst was evaluated in a pulsed-on-line reactor.The experiments showed that the HZSM-5 zeolite obtained by the combination of hydrothermal treatment and modification of rare earth The cracking has a good catalytic performance.