Direct production of flexible H2/CO synthesis gas in a solid electrolyte membrane reactor
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- 作者：A. de Lucas-Consuegra ; N. Gutiérrez-Guerra…
- 关键词：H2 production ; Syn ; gas production ; Solid electrolyte membrane reactor ; SEMRs ; Steam electrolysis ; Control H2/CO ratio
- 刊名：Journal of Solid State Electrochemistry
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：19
- 期：10
- 页码：2991-2999
- 全文大小：1,032 KB
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26.de Lucas-Consuegra A, Caravaca A, Martínez PJ, Endrino JL, Dorado F, Valverde JL (2010) Development of a new e - 作者单位：A. de Lucas-Consuegra (1)
N. Gutiérrez-Guerra (1)
J. L. Endrino (2)
J. C. Serrano-Ruiz (3)
J. L. Valverde (1)
1. Departamento de Ingeniería Química, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla La Mancha, Ciudad Real, Spain
2. School of Aerospace, Transport and Manufacturing, Cranfield University, Cranfield, Bedfordshire, MK43 0AL, UK
3. Abengoa Research, Abengoa, C/Energía Solar no. 1, Palmas Altas, Sevilla, 41014, Spain - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Physical Chemistry
Analytical Chemistry
Industrial Chemistry and Chemical Engineering
Characterization and Evaluation Materials
Condensed Matter
Electronic and Computer Engineering - 出版者：Springer Berlin / Heidelberg
- ISSN：1433-0768
文摘
The development of novel configurations for the production of synthesis gas (syn-gas) of flexible H2/CO ratio is of great importance to reduce the cost for the synthesis of synfuels and high-value chemicals. In this work, we propose a radically novel approach to the direct production of syn-gas with flexible H2/CO ratio based on the solid electrolyte membrane reactor (SEMR). For that purpose, a single-chamber solid electrolyte membrane reactor based on yttria-stabilized zirconia (YSZ) has been developed (Pt/YSZ/Pt), where both active Pt catalysts–electrodes were exposed to the same reaction atmosphere (C2H5OH/H2O--.7 %/2 %). The application of different polarizations at temperature range (600-00 °C) allows to control the H2/CO ratio of the obtained syn-gas, i.e., the ratio was varied between 1.5 and 12 under polarization conditions. Unlike conventional catalytic partial oxidation processes, the H2/CO adjustment was managed without the requirement of external O2 feeding to the reactor. An increase in the applied current or potential caused the H2/CO ratio to increase vs. the open-circuit conditions where ethanol reforming occurred on the Pt catalyst–electrodes which is due to an increase in the rate of the electro-catalytic processes. On the other hand, a decrease in the H2/CO ratio at a fixed potential was achieved at higher temperatures due to the further reaction of the produced H2 with the rest of the species present in the gas phase, leading to a decrease in the faradaic efficiency. The proposed configuration may be of great interest especially for biorefinery applications where H2, syn-gas and electricity may be produced from bioethanol. Keywords H2 production Syn-gas production Solid electrolyte membrane reactor SEMRs Steam electrolysis Control H2/CO ratio