The results show that CoY and Co 2+-exchanged zeolite-like catalyst have an unusual hydrothermal stability.

• 结果表明 :焙烧温度对CoY催化活性的影响与CuY显著不同 ; Co2 + 对Y、ZSM 5分子筛和蒙脱土 (类分子筛 )的骨架稳定性有促进作用