BIFUNCTIONAL CATALYSTS SYNTHESIS AND DETERMINATION OF KINETIC PARAMETERS FOR DIRECT CONVERSION OF SYN GAS TO DI-METHYL ETHER

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HADIPOUR A.; SOHRABI MORTEZA

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Journal Paper

Paper Information

Journal: AMIRKABIR Year:2006 | Volume:17 | Issue:64-D (TOPICS IN: GROUPS OF ENGINEERING, TEXTILE, POLYMER, CHEMISTRY) Page(s): 63-70

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Title

BIFUNCTIONAL CATALYSTS SYNTHESIS AND DETERMINATION OF KINETIC PARAMETERS FOR DIRECT CONVERSION OF SYN GAS TO DI-METHYL ETHER

Author(s)

HADIPOUR A. | SOHRABI MORTEZA | Issue Writer Certificate

Keywords

DME

BIFUNCTIONAL CATALYSTS

ACTIVITY MEASUREMENT

KINETIC PARAMETER

Abstract

In the present study, the catalyst preparation and reaction kinetic modeling of syngas transformation into dimethyl ether using a mixture of a metallic oxides, (CuO, ZnO, Al2O3) and an acidic component (g-Al2O3) as catalyst has been investigated. Twenty three catalysts were prepared according to a pre-designed research program consisting of four phases. In each phase, applying the Taguchi experimental design method, a number of catalysts was synthesized by co-precipitation method, using different percent of metal nitrates solutions. It was noted that the ZnO content of the catalyst, the nature of the precipitant agent, mass ratio of gamma-alumina to total metal oxides and calcination temperature, had the highest impacts on the activity of the catalysts.Catalysts activity and kinetic measurements were carried out using a catalytic fixed bed micro reactor. The operating temperature range was 230-300°C and the pressure was 8 barg. The experimental mns were performed applying a wide range of catalyst to feed ratios. A kinetic expression devised, based on Graff model for methanol synthesis and Bercic model for methanol dehydration and was correlated with the experimental results obtained in this study. The degree of agreement between the two sets of data was 90-95%.

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APA: Copy

HADIPOUR, A., & SOHRABI, MORTEZA. (2006). BIFUNCTIONAL CATALYSTS SYNTHESIS AND DETERMINATION OF KINETIC PARAMETERS FOR DIRECT CONVERSION OF SYN GAS TO DI-METHYL ETHER. AMIRKABIR, 17(64-D (TOPICS IN: GROUPS OF ENGINEERING, TEXTILE, POLYMER, CHEMISTRY)), 63-70. SID. https://sid.ir/paper/583834/en

Vancouver: Copy

HADIPOUR A., SOHRABI MORTEZA. BIFUNCTIONAL CATALYSTS SYNTHESIS AND DETERMINATION OF KINETIC PARAMETERS FOR DIRECT CONVERSION OF SYN GAS TO DI-METHYL ETHER. AMIRKABIR[Internet]. 2006;17(64-D (TOPICS IN: GROUPS OF ENGINEERING, TEXTILE, POLYMER, CHEMISTRY)):63-70. Available from: https://sid.ir/paper/583834/en

IEEE: Copy

A. HADIPOUR, and MORTEZA SOHRABI, “BIFUNCTIONAL CATALYSTS SYNTHESIS AND DETERMINATION OF KINETIC PARAMETERS FOR DIRECT CONVERSION OF SYN GAS TO DI-METHYL ETHER,” AMIRKABIR, vol. 17, no. 64-D (TOPICS IN: GROUPS OF ENGINEERING, TEXTILE, POLYMER, CHEMISTRY), pp. 63–70, 2006, [Online]. Available: https://sid.ir/paper/583834/en

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