Sustainability analysis of bioethanol production in Mexico by a retrofitted sugarcane industry based on the Brazilian expertise

Mónica G. López-Ortega, Yatzil Guadalajara, Tassia L. Junqueira, Isabelle L.M. Sampaio, Antonio Bonomi and Arturo Sánchez

Energy, 2021, vol. 232, issue C

Abstract: Bioethanol as fuel oxygenator is currently being introduced in Mexico with an estimated yearly demand of 3 billion liters expected to be produced mainly from sugarcane. This paper studies how to employ some of the expertise acquired by Brazil during its transition from typical mills into advanced biorefineries to retrofit the Mexican sucroalcohol industry. A typical Mexican sugarcane factory design is retrofitted to three biorefinery designs commonly found in Brazil, which are an autonomous distillery, a biorefinery with 50:50 feedstock ratio for ethanol and sugar production and a molasses distillery. The results of a techno-economic analysis considering these four designs under Mexican conditions are presented, followed by an economic comparison of the autonomous distillery design operating under Mexican and Brazilian conditions. Sustainability analysis is then carried out to identify the advantages and drawbacks of each design. The analysis compares an environment-driven scenario promoting bioethanol production and use for phasing out fossil fuels, against a commercially focused framework considering only environmental and economic issues affecting stakeholders’ profit. Results show in monetary terms the impact of each indicator of a retrofitting path from currently profitable biorefineries coproducing sugar and alcohol to sustainable distilleries using molasses and juice as feedstock to produce bioethanol.

Keywords: Sugarcane industry; Bioethanol; Mexico; Brazil; Sustainability analysis; Techno-economic analysis (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:232:y:2021:i:c:s0360544221013049

DOI: 10.1016/j.energy.2021.121056

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