Next Article in Journal
Analysis of the Difficulties of SMEs in Industry 4.0 Applications by Analytical Hierarchy Process and Analytical Network Process
Next Article in Special Issue
Approaches to Suppress CO2-Induced Plasticization of Polyimide Membranes in Gas Separation Applications
Previous Article in Journal
Polyphenols from Red Vine Leaves Using Alternative Processing Techniques
Previous Article in Special Issue
Recent Advance on Draw Solutes Development in Forward Osmosis
 
Search for Articles:
Title / Keyword
Author / Affiliation
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
Journals
Processes
Volume 6
Issue 12
10.3390/pr6120263
processes-logo
Submit to this Journal Review for this Journal Edit a Special Issue
► Article Menu

Article Menu

Printed Edition

A printed edition of this Special Issue is available at MDPI Books....
share announcement thumb_up
...
textsms
...
Article

Low-Temperature Steam Reforming of Natural Gas after LPG-Enrichment with MFI Membranes

by
Dominik Seeburg
†,
Dongjing Liu
†,
Radostina Dragomirova
,
Hanan Atia
,
Marga-Martina Pohl
,
Hadis Amani
,
Gabriele Georgi
,
Stefanie Kreft
and
Sebastian Wohlrab
*
Leibniz Institute for Catalysis at the University of Rostock, Albert-Einstein-Str. 29a, D-18059 Rostock, Germany
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Processes 2018, 6(12), 263; https://doi.org/10.3390/pr6120263
Received: 15 November 2018 / Revised: 4 December 2018 / Accepted: 8 December 2018 / Published: 12 December 2018
(This article belongs to the Special Issue Novel Membrane Technologies for Traditional Industrial Processes)
View Full-Text Download PDF
Browse Figures

Abstract

Low-temperature hydrogen production from natural gas via steam reforming requires novel processing concepts as well as stable catalysts. A process using zeolite membranes of the type MFI (Mobile FIve) was used to enrich natural gas with liquefied petroleum gas (LPG) alkanes (in particular, propane and n-butane), in order to improve the hydrogen production from this mixture at a reduced temperature. For this purpose, a catalyst precursor based on Rh single-sites (1 mol% Rh) on alumina was transformed in situ to a Rh1/Al2O3 catalyst possessing better performance capabilities compared with commercial catalysts. A wet raw natural gas (57.6 vol% CH4) was fully reformed at 650 °C, with 1 bar absolute pressure over the Rh1/Al2O3 at a steam to carbon ratio S/C = 4, yielding 74.7% H2. However, at 350 °C only 21 vol% H2 was obtained under these conditions. The second mixture, enriched with LPG, was obtained from the raw gas after the membrane process and contained only 25.2 vol% CH4. From this second mixture, 47 vol% H2 was generated at 350 °C after steam reforming over the Rh1/Al2O3 catalyst at S/C = 4. At S/C = 1 conversion was suppressed for both gas mixtures. Single alkane reforming of C2–C4 showed different sensitivity for side reactions, e.g., methanation between 350 and 650 °C. These results contribute to ongoing research in the field of low-temperature hydrogen release from natural gas alkanes for fuel cell applications as well as for pre-reforming processes. View Full-Text
Keywords: steam reforming; pre-reforming; alkanes; hydrogen; membrane separation; single-sites steam reforming; pre-reforming; alkanes; hydrogen; membrane separation; single-sites
►▼ Show Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

Supplementary Material

SciFeed

Share and Cite

MDPI and ACS Style

Seeburg, D.; Liu, D.; Dragomirova, R.; Atia, H.; Pohl, M.-M.; Amani, H.; Georgi, G.; Kreft, S.; Wohlrab, S. Low-Temperature Steam Reforming of Natural Gas after LPG-Enrichment with MFI Membranes. Processes 2018, 6, 263. https://doi.org/10.3390/pr6120263

AMA Style

Seeburg D, Liu D, Dragomirova R, Atia H, Pohl M-M, Amani H, Georgi G, Kreft S, Wohlrab S. Low-Temperature Steam Reforming of Natural Gas after LPG-Enrichment with MFI Membranes. Processes. 2018; 6(12):263. https://doi.org/10.3390/pr6120263

Chicago/Turabian Style

Seeburg, Dominik; Liu, Dongjing; Dragomirova, Radostina; Atia, Hanan; Pohl, Marga-Martina; Amani, Hadis; Georgi, Gabriele; Kreft, Stefanie; Wohlrab, Sebastian. 2018. "Low-Temperature Steam Reforming of Natural Gas after LPG-Enrichment with MFI Membranes" Processes 6, no. 12: 263. https://doi.org/10.3390/pr6120263

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Metrics

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop