Methanol to propylene: the effect of iridium and iron incorporation on the HZSM-5 catalyst
Methanol to propylene: the effect of iridium and iron incorporation on the HZSM-5 catalyst
Alireza MOHAMMADREZAEI1, Sadegh PAPARI2(), Mousa ASADI1, Abas NADERIFAR3, Reza GOLHOSSEINI3
1. National Petrochemical Company, Petrochemical Research & Technology Company (NPC-RT), Tehran 14358-84711, Iran; 2. Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran 11365-9465, Iran; 3. Department of Chemical Engineering, Amirkabir University of Technology, Tehran 15914, Iran
The effect of iridium and iron impregnation of HZSM-5 zeolite on the methanol to propylene reaction (MTP) was investigated. The selectivities of propylene and other hydrocarbons, and the conversion of methanol were compared by performing MTP in a small pilot plant. The results indicate that HZSM-5 zeolite modified by iron and iridium increased propylene selectivity by 6.3% and 8%, respectively. The selectivity of propylene was higher for Ir/H-ZSM-5 than for Fe/H-ZSM-5, where Fe/H-ZSM-5 was more stable than Ir/H-ZSM-5. Analytic techniques, including X-ray diffraction, BET surface area, temperature-programmed desorption of ammonia, and inductively coupled plasma atomic emission spectroscopy, were used to characterize the modified zeolites as well as the parent zeolites.
. Methanol to propylene: the effect of iridium and iron incorporation on the HZSM-5 catalyst[J]. Frontiers of Chemical Science and Engineering, 2012, 6(3): 253-258.
Alireza MOHAMMADREZAEI, Sadegh PAPARI, Mousa ASADI, Abas NADERIFAR, Reza GOLHOSSEINI. Methanol to propylene: the effect of iridium and iron incorporation on the HZSM-5 catalyst. Front Chem Sci Eng, 2012, 6(3): 253-258.
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