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Techno-economic assessment of heterotrophic microalgae biodiesel production integrated with a sugarcane bio-refinery

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dc.contributor.author Coelho, Renato Sano
dc.contributor.author Cuellar, Maria C.
dc.contributor.author Franco, Telma T.
dc.contributor.author van der Wielen, Luuk A.M.
dc.date.accessioned 2021-01-19T11:35:46Z
dc.date.available 2021-01-19T11:35:46Z
dc.date.issued 2020
dc.identifier.uri http://hdl.handle.net/10344/9623
dc.description peer-reviewed en_US
dc.description.abstract The use of diesel fuel in crop and transportation operations is responsible for one third of the carbon emissions in sugarcane biorefineries. A possible solution is to replace it with biodiesel from lipids, directly produced from sugarcane by highly productive heterotrophic microalgae. In this study a heterotrophic microalgae biodiesel plant, integrated with a typical Brazilian sugarcane bio-refinery, was designed and evaluated. Molasses, steam, and electricity from sugarcane processing were used as inputs for microalgae production. For a non-integrated plant, the production cost of the microalgae biodiesel was estimated at 2.51 and 2.27 $/liter for fed-batch and continuous processes, respectively. Equipment for cultivation and carbon sources was the highest cost affecting the financial feasibility of the proposed design. For the integrated plant, at present ethanol and biodiesel selling prices, the profitability would be lower than a first-generation sugarcane bio-refinery using fossil diesel fuel for its operations. However, the CO2 emissions would be reduced by up to 50000 ×103 kg per year at a cost of $83 10−3 kg−1 CO2-eq. If carbon credits are considered, the process becomes economically profitable even at present fuel prices. en_US
dc.language.iso eng en_US
dc.publisher John Wiley & Sons en_US
dc.relation.ispartofseries Biofuels, Bioproducts and Biorefining;
dc.subject biodiesel en_US
dc.subject bio-refinery en_US
dc.subject heterotrophic microalgae en_US
dc.title Techno-economic assessment of heterotrophic microalgae biodiesel production integrated with a sugarcane bio-refinery en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1002/bbb.2174
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US


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