Details
| Original language | English |
|---|---|
| Pages (from-to) | 8657-8662 |
| Number of pages | 6 |
| Journal | ACS Sustainable Chemistry and Engineering |
| Volume | 5 |
| Issue number | 10 |
| Early online date | 12 Sept 2017 |
| Publication status | Published - 2 Oct 2017 |
Abstract
Conversion of CO2 and H2O into synthesis gas via the solar thermochemical process is usually carried out at a high temperature of above 1500 °C and requires long-term durability of metal oxide catalysts during frequent heating-cooling cycles. Herein, a dual-phase Ce0.9Pr0.1O2-δ-Pr0.6Sr0.4FeO3-δ oxygen transport membrane made of mixed metal oxides was employed for the one-step thermochemical conversion of CO2 and H2O to synthesis gas with a H2/CO ratio of 2:1. Benefitting from the in situ removal of the generated oxygen through the highly oxygen-ion permeable membrane, the effective splitting of CO2 and H2O was achieved at the relatively low temperature of <1000 °C. A synthesis gas production rate of 1.3 mL min-1cm-2 was obtained at 930 °C for a H2O/CO2 feed ratio of 5:1 with a H2O conversion of above 1.7% and a CO2 conversion of above 4.2%. Compared with the discontinuous two-step thermochemical decomposition, the combination of solar energy, catalytic thermolysis, and oxygen transport membrane reactor as proposed in this work offers a new perspective and an alternative route to convert H2O and CO2 into synthesis gas.
Keywords
- CO decomposition, HO splitting, Oxygen transport membrane, Synthesis gas
ASJC Scopus subject areas
- Chemistry(all)
- Environmental Science(all)
- Environmental Chemistry
- Chemical Engineering(all)
- Energy(all)
- Renewable Energy, Sustainability and the Environment
Sustainable Development Goals
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In: ACS Sustainable Chemistry and Engineering, Vol. 5, No. 10, 02.10.2017, p. 8657-8662.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Oxygen Transport Membrane for Thermochemical Conversion of Water and Carbon Dioxide into Synthesis Gas
AU - Liang, Wenyuan
AU - Cao, Zhengwen
AU - He, Guanghu
AU - Caro, Jürgen
AU - Jiang, Heqing
N1 - Funding Information: We kindly acknowledge financial support from National Natural Science Foundation of China (No. 21501186, 21471156), the project of Science and Technology Development Program in Shandong Province (2014GSF117031), Strategic Priority Research Program of the Chinese Academy of Sciences (XDB17020100), and the Recruitment Program of Global Youth Experts of China.
PY - 2017/10/2
Y1 - 2017/10/2
N2 - Conversion of CO2 and H2O into synthesis gas via the solar thermochemical process is usually carried out at a high temperature of above 1500 °C and requires long-term durability of metal oxide catalysts during frequent heating-cooling cycles. Herein, a dual-phase Ce0.9Pr0.1O2-δ-Pr0.6Sr0.4FeO3-δ oxygen transport membrane made of mixed metal oxides was employed for the one-step thermochemical conversion of CO2 and H2O to synthesis gas with a H2/CO ratio of 2:1. Benefitting from the in situ removal of the generated oxygen through the highly oxygen-ion permeable membrane, the effective splitting of CO2 and H2O was achieved at the relatively low temperature of <1000 °C. A synthesis gas production rate of 1.3 mL min-1cm-2 was obtained at 930 °C for a H2O/CO2 feed ratio of 5:1 with a H2O conversion of above 1.7% and a CO2 conversion of above 4.2%. Compared with the discontinuous two-step thermochemical decomposition, the combination of solar energy, catalytic thermolysis, and oxygen transport membrane reactor as proposed in this work offers a new perspective and an alternative route to convert H2O and CO2 into synthesis gas.
AB - Conversion of CO2 and H2O into synthesis gas via the solar thermochemical process is usually carried out at a high temperature of above 1500 °C and requires long-term durability of metal oxide catalysts during frequent heating-cooling cycles. Herein, a dual-phase Ce0.9Pr0.1O2-δ-Pr0.6Sr0.4FeO3-δ oxygen transport membrane made of mixed metal oxides was employed for the one-step thermochemical conversion of CO2 and H2O to synthesis gas with a H2/CO ratio of 2:1. Benefitting from the in situ removal of the generated oxygen through the highly oxygen-ion permeable membrane, the effective splitting of CO2 and H2O was achieved at the relatively low temperature of <1000 °C. A synthesis gas production rate of 1.3 mL min-1cm-2 was obtained at 930 °C for a H2O/CO2 feed ratio of 5:1 with a H2O conversion of above 1.7% and a CO2 conversion of above 4.2%. Compared with the discontinuous two-step thermochemical decomposition, the combination of solar energy, catalytic thermolysis, and oxygen transport membrane reactor as proposed in this work offers a new perspective and an alternative route to convert H2O and CO2 into synthesis gas.
KW - CO decomposition
KW - HO splitting
KW - Oxygen transport membrane
KW - Synthesis gas
UR - http://www.scopus.com/inward/record.url?scp=85030464520&partnerID=8YFLogxK
U2 - 10.1021/acssuschemeng.7b01305
DO - 10.1021/acssuschemeng.7b01305
M3 - Article
AN - SCOPUS:85030464520
VL - 5
SP - 8657
EP - 8662
JO - ACS Sustainable Chemistry and Engineering
JF - ACS Sustainable Chemistry and Engineering
SN - 2168-0485
IS - 10
ER -