Economic and environmental assessment of succinic acid production from sugarcane bagasse

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dc.contributor.authorShaji, Arun
dc.contributor.authorShastri, Yogendra
dc.contributor.authorKumar, Vinod
dc.contributor.authorRanade, Vivek V.
dc.contributor.authorHindle, Neil
dc.date.accessioned2021-10-08T14:49:25Z
dc.date.available2021-10-08T14:49:25Z
dc.date.issued2021-09-15
dc.description.abstractThis work presents technoeconomic analysis (TEA) and life cycle assessment (LCA) of a novel biorefinery producing succinic acid (SA) from sugarcane bagasse. The process consists of acid pretreatment, fermentation, followed by downstream separation and purification. Experimental data for pretreatment and fermentation are adapted for a plant processing 4 t/h of dry bagasse, producing 405 kg/h of succinic acid with the same quantity of acetic acid as a side product. Downstream separation is simulated in ASPEN PLUS. The facility is assumed to be annexed to and heat-integrated with an existing sugar mill in India. LCA is performed considering cradle-to-gate scope with 1 kg of SA as the functional unit. The TEA results show that although the process is currently not economically feasible, expected improvements in fermentation yields will make it cost-competitive. For the expected yield, the product cost of SA is INR 121/kg ($1.61/kg), and the selling price of succinic acid should be INR 178/kg ($2.37/kg) for a payback period of 4 years. Pretreatment and fermentation are the biggest contributors to the product cost. The life cycle greenhouse gas (GHG) emissions are 1.39 kg of CO2 equiv/kg succinic acid with electricity as the major contributor. Process improvement opportunities are identified to reduce the costs, as well as life cycle impacts.en_UK
dc.identifier.citationShaji A, Shastri Y, Kumar V, et al., (2021) Economic and environmental assessment of succinic acid production from sugarcane bagasse. ACS Sustainable Chemistry and Engineering, Volume 9, Issue 38, September 2021, pp. 12738-12746en_UK
dc.identifier.issn2168-0485
dc.identifier.urihttps://doi.org/10.1021/acssuschemeng.1c02483
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/17155
dc.language.isoenen_UK
dc.publisherAmerican Chemical Societyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectsuccinic aciden_UK
dc.subjectbagasseen_UK
dc.subjectxyloseen_UK
dc.subjectproduct costen_UK
dc.subjectGHG emissionsen_UK
dc.titleEconomic and environmental assessment of succinic acid production from sugarcane bagasseen_UK
dc.typeArticleen_UK

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