Non-oxidative conversion of methane to aromatics over modified zeolite catalysts by transitional metals

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Yaghinirad Elmira; AGHDASINIA HASSAN; NAGHIZADEH ALI; Niaei Aligholi

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Journal Paper

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Journal: IRANIAN JOURNAL OF CATALYSIS Year:2019 | Volume:9 | Issue:2 Page(s): 147-154

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Title

Non-oxidative conversion of methane to aromatics over modified zeolite catalysts by transitional metals

Author(s)

Yaghinirad Elmira | AGHDASINIA HASSAN | NAGHIZADEH ALI | Niaei Aligholi | Issue Writer Certificate

Keywords

Natural gas

Dehydro

aromatization

HZSM

5 metal

modified catalyst

Nonoxidative

conversion

Abstract

In this study, the activity of different transitional metals over modified H-ZSM-5 catalysts for methane conversion to aromatics was compared. The first group of catalysts was Mo-impregnated H-ZSM-5 zeolites with 1, 3 and 6 wt% of Mo. The second group was M (3 wt%)-impregnated H-ZSM-5 (M: Ag, Cd, Cr, Mo, Zn and Mn). The catalytic activity of the first group was investigated at temperature of 600, 700 and 800 ℃ and gas hourly space velocity (GHSV) of 1500, 2250, 3600 [ml. g-1. h-1]. Likewise, the second group of catalysts was examined at 700 ℃ and GHSV of 2250 [ml. g-1. h-1]. The catalyst samples were appropriately characterized by XRD, BET and SEM techniques. The effect of loaded transitional metals on the methane conversion was sorted on the basis of the benzene yield as follows: 3 %wt Mo> 3 %wt Zn> 3 %wt Mn> 3%wt Ag> 3%wt Cd > 3%wt Cr. The highest methane conversion was 11. 13% obtained over the Mo (3 wt%)-impregnated HZSM-5 catalyst.

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APA: Copy

Yaghinirad, Elmira, AGHDASINIA, HASSAN, NAGHIZADEH, ALI, & Niaei, Aligholi. (2019). Non-oxidative conversion of methane to aromatics over modified zeolite catalysts by transitional metals. IRANIAN JOURNAL OF CATALYSIS, 9(2), 147-154. SID. https://sid.ir/paper/721675/en

Vancouver: Copy

Yaghinirad Elmira, AGHDASINIA HASSAN, NAGHIZADEH ALI, Niaei Aligholi. Non-oxidative conversion of methane to aromatics over modified zeolite catalysts by transitional metals. IRANIAN JOURNAL OF CATALYSIS[Internet]. 2019;9(2):147-154. Available from: https://sid.ir/paper/721675/en

IEEE: Copy

Elmira Yaghinirad, HASSAN AGHDASINIA, ALI NAGHIZADEH, and Aligholi Niaei, “Non-oxidative conversion of methane to aromatics over modified zeolite catalysts by transitional metals,” IRANIAN JOURNAL OF CATALYSIS, vol. 9, no. 2, pp. 147–154, 2019, [Online]. Available: https://sid.ir/paper/721675/en

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