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Novel catalyst conf...
Novel catalyst configuration to boost the yield of longer hydrocarbons from methanol-mediated CO 2 hydrogenation
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- Sharma, Poonam, 1990 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ho, Hoang Phuoc, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Di, Wei, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Creaser, Derek, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Olsson, Louise, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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show less...
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Journal of CO2 Utilization. - 2212-9820. ; 74
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https://doi.org/10.1...
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Abstract
Subject headings
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- Various C1 feedstocks and lower hydrocarbons (C2-C4) can be produced from CO2 hydrogenation, which is an important way to utilize excess CO2 and provide alternative fuel options for dwindling fossil fuels. Herein, a novel two-bed catalytic system was developed to increase the yield of liquid range hydrocarbons, where the first catalytic bed was composed of In2O3-ZrO2 (13 wt. In %)/HZSM-5 and the second bed was a desilicated HZSM-5 placed downstream from the first bed. A maximum hydrocarbon selectivity was found to be about 86% with 7.2% CO2 conversion at 533 K, while conversion increased up to 19.3% with 71.2% hydrocarbon selectivity at 623 K while keeping the pressure at 4.0 MPa. The selectivity of longer liquid range hydrocarbons (C8-C12) was increased from 29.2% to 42.4% using the oligomerization process in which the produced lower olefins from the first bed were oligomerized to enhance the liquid range hydrocarbon over desilicated HZSM-5. Additionally, a comparative study was carried out to examine the effect of desilication over HZSM-5 having different silica-to-alumina ratios of 24 and 59. Moreover, detailed characterizations were carried out before and after the desilication of the HZSM-5 to correlate catalytic activities with physical and chemical properties of the catalysts. The results suggest that a two-bed catalytic system is a promising option to increase the yield of liquid range hydrocarbons from methanol-mediated CO2 hydrogenation while there was a negligible effect on CO2 conversion due to the second bed.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Kemiska processer (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Bioprocessteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Bioprocess Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Keyword
- Liquid range hydrocarbons
- Desilicated ZSM-5
- CO hydrogenation 2
- In O -ZrO 2 3 2
- Oligomerization
Publication and Content Type
- art (subject category)
- ref (subject category)
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Sharma, Poonam, ...
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Ho, Hoang Phuoc, ...
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Di, Wei, 1986
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Creaser, Derek, ...
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Olsson, Louise, ...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Chemical Process ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Industrial Biote ...
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and Bioprocess Techn ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Other Chemical E ...
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Journal of CO2 U ...
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Chalmers University of Technology