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Techno-economic analysis of producing glacial acetic acid from poplar biomass via bioconversion

dc.contributor.authorMorales-Vera, Rodrigo
dc.contributor.authorCrawford, Jordan T.
dc.contributor.authorDou, Chang
dc.contributor.authorBura, Renata
dc.contributor.authorGustafson, Rick
dc.date.accessioned2020-12-11T20:45:40Z
dc.date.available2020-12-11T20:45:40Z
dc.date.issued2020
dc.identifier.urihttp://repositorio.ucm.cl/handle/ucm/3358
dc.description.abstractMost of the current commercial production of glacial acetic acid (GAA) is by petrochemical routes, primarily methanol carbonylation. GAA is an intermediate in the production of plastics, textiles, dyes, and paints. GAA production from biomass might be an economically viable and sustainable alternative to petroleum-derived routes. Separation of acetic acid from water is a major expense and requires considerable energy. This study evaluates and compares the technical and economic feasibility of GAA production via bioconversion using either ethyl acetate or alamine in diisobutylkerosene (DIBK) as organic solvents for purification. Models of a GAA biorefinery with a production of 120,650 tons/year were simulated in Aspen software. This biorefinery follows the path of pretreatment, enzymatic hydrolysis, acetogen fermentation, and acid purification. Estimated capital costs for different scenarios ranged from USD 186 to 245 million. Recovery of GGA using alamine/DIBK was a more economical process and consumed 64% less energy, due to lower steam demand in the recovery distillation columns. The estimated average minimum selling prices of GGA were USD 756 and 877/ton for alamine/DIBK and ethyl acetate scenarios, respectively. This work establishes a feasible and sustainable approach to produce GGA from poplar biomass via fermentation.es_CL
dc.language.isoenes_CL
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 Chile*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
dc.sourceMolecules, 25(18), 4328es_CL
dc.subjectAcetic acides_CL
dc.subjectBioconversiones_CL
dc.subjectBiomasses_CL
dc.subjectBiorefineryes_CL
dc.subjectOrganic acidses_CL
dc.subjectPlatform chemicalses_CL
dc.subjectPoplares_CL
dc.subjectTechno-economics assessmentes_CL
dc.titleTechno-economic analysis of producing glacial acetic acid from poplar biomass via bioconversiones_CL
dc.typeArticlees_CL
dc.ucm.facultadFacultad de Ciencias Agrarias y Forestaleses_CL
dc.ucm.indexacionScopuses_CL
dc.ucm.indexacionIsies_CL
dc.ucm.doidoi.org/10.3390/molecules25184328es_CL


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