Highly efficient conversion of plant oil to bio-aviation fuel and valuable chemicals by combination of enzymatic transesterification, olefin cross-metathesis, and hydrotreating
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BACKGROUND: The production of fuels and chemicals from renewable resources is increasingly important due to the environmental concern and depletion of fossil fuel. Despite the fast technical development in the production of aviation fuels, there are still several shortcomings such as a high cost of raw materials, a low yield of aviation fuels, and poor process techno-economic consideration. In recent years, olefin metathesis has become a powerful and versatile tool for generating new carbon-carbon bonds. The cross-metathesis reaction, one kind of metathesis reaction, has a high potential to efficiently convert plant oil into valuable chemicals, such as α-olefin and bio-aviation fuel by combining with a hydrotreatment process. RESULTS: In this research, an efficient, four-step conversion of plant oil into bio-aviation fuel and valuable chemicals was developed by the combination of enzymatic transesterification, olefin cross-metathesis, and hydrotreating. Firstly, plant oil including oil with poor properties was esterified to fatty acid methyl esters by an enzyme-catalyzed process. Secondly, the fatty acid methyl esters were partially hydrotreated catalytically to transform poly-unsaturated fatty acid such as linoleic acid into oleic acid. The olefin cross-metathesis then transformed the oleic acid methyl ester (OAME) into 1-decene and 1-decenoic acid methyl ester (DAME). The catalysts used in this process were prepared/selected in function of the catalytic reaction and the reaction conditions were optimized. The carbon efficiency analysis of the new process illustrated that it was more economically feasible than the traditional hydrotreatment process. CONCLUSIONS: A highly efficient conversion process of plant oil into bio-aviation fuel and valuable chemicals by the combination of enzymatic transesterification, olefin cross-metathesis, and hydrotreatment with prepared and selected catalysts was designed. The reaction conditions were optimized. Plant oil was transformed into bio-aviation fuel and a high value α-olefin product with high carbon utilization.
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Research conducted by Wang et al. reported an efficient 4-step conversion method for synthesising HEFA-SPK.
“Research conducted by Wang et al. [131] reported an efficient 4-step conversion method for synthesising HEFA-SPK.”
From Investigation of Biofuel as a Potential Renewable Energy Source (2021) · cites this paper as [131]
These steps include enzyme transesterification, catalytic transfer hydrogenation, alkene cross-metathesis and catalytic hydrodeoxygenation.
“These steps include enzyme transesterification, catalytic transfer hydrogenation, alkene cross-metathesis and catalytic hydrodeoxygenation.”
From Investigation of Biofuel as a Potential Renewable Energy Source (2021) · cites this paper as [131]
This method was highly efficient and provided a more economically feasible solution compared with previously reported hydrotreatment processes.
“This method was highly efficient and provided a more economically feasible solution compared with previously reported hydrotreatment processes.”
From Investigation of Biofuel as a Potential Renewable Energy Source (2021) · cites this paper as [131]
This employed the use of Grubb's catalyst for the alkene cross-metathesis and Pt/ZSM-22 catalyst for hydrodeoxygenation.
“This employed the use of Grubb's catalyst for the alkene cross-metathesis and Pt/ZSM-22 catalyst for hydrodeoxygenation.”
From Investigation of Biofuel as a Potential Renewable Energy Source (2021) · cites this paper as [131]
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- Authors
- Wang, M., Chen, M., Fang, Y., & Tan, T.
- Affiliations
- Beijing University of Chemical Technology (CN)
- Corresponding author
- Fang, Yunming
- Venue
- Biotechnology for Biofuels
- Published
- 2018-02-07
- Volume
- 11
- Issue
- 1
- Pages
- 30-30
- ISSN
- 1754-6834 (ISSN-L)
- PMC
- PMC5801801
- OpenAlex
- W2787810748
- Cited by
- 38
- References
- 32
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 6 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 5 · 2019: 9 · 2018: 1
- FWCI
- 3.20
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- cc-by
- Locations
- Biotechnology for Biofuels (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Natural Science Foundation of China (U1663227)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Catalysis and Hydrodesulfurization Studies
- Physical Sciences › Chemistry › Organic Chemistry › Synthetic Organic Chemistry Methods
- Physical Sciences › Engineering › Biomedical Engineering › Biodiesel Production and Applications
- Keywords
- enzymatic transesterification, olefin cross-metathesis, hydrotreating, fatty acid methyl esters, methyl oleate, 1-decene, α-olefins, linoleic acid, oleic acid, carbon efficiency, catalyst selection, renewable fuels
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