CATALYST’S DEFORMATION EFFECT ON INDUSTRIAL COMBINED STEAM AND DRY REFORMING OF NATURAL GAS

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Banisharifdehkordi F.; BAGHALHA M.

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Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2014 | Issue:8

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Title

CATALYST’S DEFORMATION EFFECT ON INDUSTRIAL COMBINED STEAM AND DRY REFORMING OF NATURAL GAS

Author(s)

Banisharifdehkordi F. | BAGHALHA M. | Issue Writer Certificate

Keywords

COKE FORMATION

CATALYST DEFORMATION

INDUSTRY COMBINED REFORMING REACTOR

SYNTHESIS GAS

Abstract

THE CATALYST’S DEFORMATION EFFECT ON PERFORMANCE OF AN INDUSTRIAL COMBINED STEAM AND DRY REFORMING FIXED BED REACTOR WERE INVESTIGATED BY X-RAY DIFFRACTION, N2 SORPTION ANALYSIS AND 41-MONTH OPERATIONAL DATA. COMPARISONS BETWEEN THE STRUCTURES OF FRESH AND SPENT REFORMING CATALYSTS SHOW AN INCREASE IN NI CRYSTAL SIZE AND DECREASE IN SURFACE AREA OF THE CATALYST AS THE PROCESS CONTINUES. THE RESULTS DEMONSTRATE THAT THERE IS A STRONG TENDENCY FOR THE CATALYST’S DEACTIVATION BY CARBON FORMATION ORIGINATING FROM METHANE DECOMPOSITION. HOWEVER, THE INDUSTRIAL DATA ANALYSIS ILLUSTRATES THAT CONVERSION OF KEY COMPONENT, CH4, REMAIN CONSTANT SEVERAL MONTHS. THERMODYNAMICS ANALYSIS ALSO SHOWS THAT ONLY A FRACTION OF THE CATALYST IN THE INDUSTRIAL REACTOR IS REQUIRED FOR THE REACTIONS TO REACH AN EQUILIBRIUM STATE IN THE REFORMER. HENCE, AS THE CATALYST IS DEACTIVATED AT THE REACTOR ENTRANCE AREA, THE REACTION ZONE GRADUALLY MOVES FORWARD AND STILL ALLOW FOR EQUILIBRIUMS TO BE ATTAINED BEFORE THE STREAM EXITS THE REACTOR. THIS RESULTS IN A RATHER CONSTANT METHANE CONVERSION IN THE REFORMATE STREAM (UP TO SEVERAL MONTHS).

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APA: Copy

Banisharifdehkordi, F., & BAGHALHA, M.. (2014). CATALYST’S DEFORMATION EFFECT ON INDUSTRIAL COMBINED STEAM AND DRY REFORMING OF NATURAL GAS. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/916062/en

Vancouver: Copy

Banisharifdehkordi F., BAGHALHA M.. CATALYST’S DEFORMATION EFFECT ON INDUSTRIAL COMBINED STEAM AND DRY REFORMING OF NATURAL GAS. 2014. Available from: https://sid.ir/paper/916062/en

IEEE: Copy

F. Banisharifdehkordi, and M. BAGHALHA, “CATALYST’S DEFORMATION EFFECT ON INDUSTRIAL COMBINED STEAM AND DRY REFORMING OF NATURAL GAS,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2014, [Online]. Available: https://sid.ir/paper/916062/en

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