Techno-Economic Analysis of Producing Glacial Acetic Acid from Poplar Biomass via Bioconversion.
Identifieur interne : 000092 ( Main/Corpus ); précédent : 000091; suivant : 000093Techno-Economic Analysis of Producing Glacial Acetic Acid from Poplar Biomass via Bioconversion.
Auteurs : Rodrigo Morales-Vera ; Jordan Crawford ; Chang Dou ; Renata Bura ; Rick GustafsonSource :
- Molecules (Basel, Switzerland) [ 1420-3049 ] ; 2020.
Abstract
Most 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.
DOI: 10.3390/molecules25184328
PubMed: 32967253
PubMed Central: PMC7571159
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pubmed:32967253Le document en format XML
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<author><name sortKey="Morales Vera, Rodrigo" sort="Morales Vera, Rodrigo" uniqKey="Morales Vera R" first="Rodrigo" last="Morales-Vera">Rodrigo Morales-Vera</name>
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<author><name sortKey="Dou, Chang" sort="Dou, Chang" uniqKey="Dou C" first="Chang" last="Dou">Chang Dou</name>
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<author><name sortKey="Bura, Renata" sort="Bura, Renata" uniqKey="Bura R" first="Renata" last="Bura">Renata Bura</name>
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<front><div type="abstract" xml:lang="en">Most 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.</div>
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<Abstract><AbstractText>Most 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.</AbstractText>
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<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">acetic acid</Keyword>
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<Keyword MajorTopicYN="N">organic acids</Keyword>
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