Artikel

Dry re-forming of methane to synthesis gas over lignite semicokes catalyst at high pressure

Dry re-forming of methane has been carried out in a high temperature-pressure reactor at different pressures, using Hongce lignite semicokes catalyst. The results show that CH4 and CO2 conversions are decreased as the reaction pressure increased, but both of them kept basically stable when the reaction pressure is between 0.3 and 1 MPa. The comparison shows that the effects of the temperature and the flow of reactant gas on dry re-forming of methane are consistent with between high pressure and atmospheric pressure. The ratio of CO/H2 decreased as the ratio of CH4/CO2 increased, yet the value of CO/H2 is always more than 1 at different pressures. Hongce lignite semicokes catalyst is characterized by FTIR, XRD, SEM and BET, and the analysis results reveled that the physical specific adsorption peak of CO2 at 2350 cm-1 is strengthened significantly at different pressures, the micropore area and volume of Hongce lignite semicokes reduced form 40.2 m2 g-1 and 0.019 cm3 g-1 to 34.9 m2 g-1 and 0.017 cm3 g-1, respectively. Hongce lignite semicokes catalyst exhibited better activity and stability within 0.3-1 MPa range.

Language: Englisch

Bibliographic citation: Journal: Energy Reports ; ISSN: 2352-4847 ; Volume: 2 ; Year: 2016 ; Pages: 163-170 ; Amsterdam: Elsevier

Classification: Wirtschaft

Subject: Catalytic activity
Dry re-forming of methane
High temperature-pressure reactor
Lignite semi-cokes

Event: Geistige Schöpfung

(who): Guo, Fengbo
Jia, Wanli
Hou, Bin
Zhang, Yongfa

Event: Veröffentlichung

(who): Elsevier

(where): Amsterdam

(when): 2016

DOI: doi:10.1016/j.egyr.2016.04.002

Handle: http://hdl.handle.net/10419/187847

Last update: 10.03.2025, 11:44 AM CET

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Artikel

Associated

Guo, Fengbo
Jia, Wanli
Hou, Bin
Zhang, Yongfa
Elsevier

Time of origin

2016

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Dry re-forming of methane to synthesis gas over lignite semicokes catalyst at high pressure

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Other Objects (12)

Additive Manufacturing of Catalyst Substrates for Steam–Methane Reforming

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