LV Yong-Xin, WU Chuang-Zhi, WANG Tie-Jun, MA Long-Long, XIONG zu-Hong, ZHOU Yi. Effects of MgO modification to HZSM-5 Zeolite for LPG synthesis[J]. Journal of Fuel Chemistry and Technology, 2010, 38(03): 313-318.
Citation: LV Yong-Xin, WU Chuang-Zhi, WANG Tie-Jun, MA Long-Long, XIONG zu-Hong, ZHOU Yi. Effects of MgO modification to HZSM-5 Zeolite for LPG synthesis[J]. Journal of Fuel Chemistry and Technology, 2010, 38(03): 313-318.

Effects of MgO modification to HZSM-5 Zeolite for LPG synthesis

  • The modified HZSM-5 zeolite which contains MgO was prepared by impregnating Mg(NO3)2·6H2O ethanol solution with HZSM-5 and then mixed mechanically with methanol catalyst (MeLi) for LPG synthesis. The effects of MgO were investigated in a fixed bed reactor for LPG synthesis. The result showed that with increase of the MgO addition, the strong acid of HZSM-5 zeolite was decreased. The best mass content of MgO in the HZSM-5 was between 0.25%~1.00%. The hybrid catalyst, which consisted of modified HZSM-5 and MeLi, demonstrated a high activity, high selectivity to the target product C3 and C4 hydrocarbons and long catalyst lifetime.
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