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Methane partial oxidation to syngas in YBa2Cu3O7−x membrane reactor

Paper ID Volume ID Publish Year Pages File Format Full-Text
44389 46024 2006 5 PDF Available
Title
Methane partial oxidation to syngas in YBa2Cu3O7−x membrane reactor
Abstract

We investigated the performance of YBa2Cu3O7−x (YBCO) membrane reactor in the process of partial oxidation of methane (POM) to syngas. When Ni/ZrO2 catalyst was used the CH4 conversion and CO selectivity could reach almost 100% and 95%, respectively, and the oxygen permeation fluxes could reach 1.5 ml min−1 cm−2 at 900 °C. The YBCO membranes reactor also showed self-catalytic properties; without any catalysts the CH4 conversion and CO selectivity could reach about 28% and 90% at 900 °C, respectively. However, the stability of YBCO membrane was not desirable because of the reduction of copper from the YBCO membrane. The reaction mechanism of POM in YBCO reactor was also discussed based on the influence of space velocity (SV) on CO selectivity. The indirect partial oxidation mechanism may be the dominant mechanism of POM process in the YBCO membrane reactor.

Keywords
Methane; Partial oxidation; Syngas; YBa2Cu3O7−x; Membrane reactor
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 306, 7 June 2006, Pages 29–33
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us