Life cycle analysis of fermentative production of succinic acid from bread waste

Simple item page
dc.contributor.authorGadkari, Siddharth
dc.contributor.authorKumar, Deepak
dc.contributor.authorQin, Zi-hao
dc.contributor.authorLin, Carol Sze Ki
dc.contributor.authorKumar, Vinod
dc.date.accessioned2021-04-28T11:49:06Z
dc.date.available2021-04-28T11:49:06Z
dc.date.issued2021-04-23
dc.description.abstractAccording to the US Department of Energy, succinic acid (SA) is a top platform chemical that can be produced from biomass. Bread waste, which has high starch content, is the second most wasted food in the UK and can serve as a potential low cost feedstock for the production of SA. This work evaluates the environmental performance of a proposed biorefinery concept for SA production by fermentation of waste bread using a cradle-to-factory gate life cycle assessment approach. The performance was assessed in terms of greenhouse gas (GHG) emissions and non-renewable energy use (NREU). Waste bread fermentation demonstrated a better environmental profile compared to the fossil-based system, however, GHG emissions were about 50% higher as compared to processes using other biomass feedstocks such as corn wet mill or sorghum grains. NREU for fermentative SA production using waste bread was significantly lower than fossil-based system and about the same as that of established biomass-based processes, thus proving the great potential of waste bread as a valuable feedstock for bioproduction of useful chemicals. The results show that steam and heating oil used in the process were the biggest contributors to the NREU and GHG emissions. Sensitivity analyses highlighted the importance of the solid biomass waste generated in the process which can potentially be used as fish feed. The LCA analysis can be used for targeted optimization of SA production from bread waste, thereby enabling the utilization of an otherwise waste stream and leading to the establishment of a circular economy.en_UK
dc.identifier.citationGadkari S, Kumar D, Qin ZH, et al., (2021) Life cycle analysis of fermentative production of succinic acid from bread waste. Waste Management, Volume 126, May 2021, pp. 861-871en_UK
dc.identifier.issn0956-053X
dc.identifier.urihttps://doi.org/10.1016/j.wasman.2021.04.013
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/16623
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectNon-renewable energy useen_UK
dc.subjectGreenhouse gas emissionsen_UK
dc.subjectLife cycle assessmenten_UK
dc.subjectBread waste fermentationen_UK
dc.subjectBio-based succinic aciden_UK
dc.titleLife cycle analysis of fermentative production of succinic acid from bread wasteen_UK
dc.typeArticleen_UK

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Life_cycle_analysis_fermentative_production_of_succinic_acid-2021.pdf
Size:
1.18 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.63 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Staff publications (SWEE)