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Techno-economic and life cycle analysis of MixAlco® processes for mixed alcohol production from brown algae
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Zhang, Yue. Techno-economic and life cycle analysis of MixAlco® processes for mixed alcohol production from brown algae. Retrieved from https://doi.org/doi:10.7282/t3-y45c-vr39

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TitleTechno-economic and life cycle analysis of MixAlco® processes for mixed alcohol production from brown algae
NameZhang, Yue (author); Ierapetritou, Marianthi G. (chair); Rutgers University; School of Graduate Studies
Date Created2019
Other Date2019-10 (degree)
SubjectChemical and Biochemical Engineering, Clostridium, Fermentation, Algal biofuels
Extent1 online resource (viii, 41 pages) : illustrations
DescriptionThe need for producing renewable chemicals and fuels from biomass has increased due to depleting fossil resources and environmental concerns. However, the low fraction of biomass carbon converted to product is an undeniable drawback for most current biofuel productions, which is due to undecomposed lignin in biomass composition and loss of carbon as CO2. In this work, two main production routes of the MixAlco® process, the ketonization route (KR) and esterification route (ER) were evaluated for the mixed alcohol production by brown algae, a third generation biomass without lignin. A Novel Fermentation process (NF) is developed by using a synthetic syntrophic consortium of Clostridium ljungdahlii and Clostridium kluyveri, to produce acetic acid from waste gas produced by KR and ER process. The thesis proposes the integrated flowsheet of NF process with ketonization route (KR+NF) and esterification route (ER+NF) to achieve a higher carbon utilization efficiency in bioalcohol production. Techno-economic and life cycle analysis are performed to compare the minimum selling price and environmental impacts of the four alternative routes. The capital and operating cost for the production of ER+NF are the highest when compared with other products. The cost of raw materials and utilities are the two major cost factors for the four process routes. ER process performs the best in terms of environmental impacts except in water depletion when compared with other processes while KR process performs the worst regarding the environmental effects.
NoteM.S.
NoteIncludes bibliographical references
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/t3-y45c-vr39
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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