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Environmental assessment of Rhodosporidium toruloides-1588 based oil production using wood hydrolysate and crude glycerol
Civil Engineering Department, Lassonde School of Engineering, York University, North York, Ontario M3J 1P3, Canada.
INRS-ETE, University of Quebec, 490 Rue de La Couronne, Quebec G1K 9A9, Canada.ORCID iD: 0000-0002-8269-7117
University of Borås, Faculty of Textiles, Engineering and Business. (Resource Management)ORCID iD: 0000-0002-0743-1335
University of Borås, Faculty of Textiles, Engineering and Business. (Swedish Centre for Resource Recovery)ORCID iD: 0000-0003-4887-2433
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2024 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 393, article id 130102Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

Rhodosporidium toruloides, an oleaginous yeast, is a potential feedstock for biodiesel production due to its ability to utilize lignocellulosic biomass-derived hydrolysate with a considerably high lipid titer of 50–70 % w/w. Hence, for the first-time environmental assessment of large-scale R. toruloides-based biodiesel production from wood hydrolysate and crude glycerol was conducted. The global warming potential was observed to be 0.67 kg CO2 eq./MJ along with terrestrial ecotoxicity of 1.37 kg 1,4-DCB eq./MJ and fossil depletion of 0.13 kg oil eq./MJ. The highest impacts for global warming (∼45 %) and fossil depletion (∼37 %) are attributed to the use of chloroform for lipid extraction while fuel consumption for transportation contributed more than 50 % to terrestrial ecotoxicity. Further, sensitivity analysis revealed that maximizing biodiesel yield by increasing lipid yield and solid loading could contribute to reduced environmental impacts. In nutshell, this investigation reveals that environmental impact varies with the type of chemical utilized.

Place, publisher, year, edition, pages
2024. Vol. 393, article id 130102
Keywords [en]
FFermentation Life cycle assessment, Sensitivity analysis, Oleaginous yeast, Uncertainty analysis
National Category
Bioenergy
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-31313DOI: 10.1016/j.biortech.2023.130102ISI: 001135656300001Scopus ID: 2-s2.0-85179471946OAI: oai:DiVA.org:hb-31313DiVA, id: diva2:1827670
Note

The authors are thankful for the funding and support from MITACS Globalink Research Award (Application number: IT22271), Natural sciences and engineering Canada (Strategic grant 506346) and James and Joanne Love Chair in Environmental Engineering at York University, Canada.

Available from: 2024-01-15 Created: 2024-01-15 Last updated: 2024-02-01Bibliographically approved

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Brancoli, PedroTaherzadeh, Mohammad J

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