Journal ArticleDOI
Valorization of industrial waste and by-product streams via fermentation for the production of chemicals and biopolymers
Apostolis A. Koutinas,Anestis Vlysidis,Daniel Pleissner,Nikolaos Kopsahelis,Isabel Lopez Garcia,Ioannis K. Kookos,Seraphim Papanikolaou,Tsz Him Kwan,Carol Sze Ki Lin +8 more
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TLDR
It is evident that fermentative production of chemicals and biopolymers via refining of waste and by-product streams is a highly important research area with significant prospects for industrial applications.Abstract:
The transition from a fossil fuel-based economy to a bio-based economy necessitates the exploitation of synergies, scientific innovations and breakthroughs, and step changes in the infrastructure of chemical industry. Sustainable production of chemicals and biopolymers should be dependent entirely on renewable carbon. White biotechnology could provide the necessary tools for the evolution of microbial bioconversion into a key unit operation in future biorefineries. Waste and by-product streams from existing industrial sectors (e.g., food industry, pulp and paper industry, biodiesel and bioethanol production) could be used as renewable resources for both biorefinery development and production of nutrient-complete fermentation feedstocks. This review focuses on the potential of utilizing waste and by-product streams from current industrial activities for the production of chemicals and biopolymers via microbial bioconversion. The first part of this review presents the current status and prospects on fermentative production of important platform chemicals (i.e., selected C2-C6 metabolic products and single cell oil) and biopolymers (i.e., polyhydroxyalkanoates and bacterial cellulose). In the second part, the qualitative and quantitative characteristics of waste and by-product streams from existing industrial sectors are presented. In the third part, the techno-economic aspects of bioconversion processes are critically reviewed. Four case studies showing the potential of case-specific waste and by-product streams for the production of succinic acid and polyhydroxyalkanoates are presented. It is evident that fermentative production of chemicals and biopolymers via refining of waste and by-product streams is a highly important research area with significant prospects for industrial applications.read more
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Oleaginous yeast: a value-added platform for renewable oils
TL;DR: This review aims to consider key biochemical pathways for storage lipid synthesis, possible pathways for SCO yield improvement, previously used bioprocessing techniques forSCO production, challenges in SCO commercialization and advantages of adopting a renewable SCO platform.
Journal ArticleDOI
Fermentative utilization of coffee mucilage using Bacillus coagulans and investigation of down-stream processing of fermentation broth for optically pure l(+)-lactic acid production
Anna-Katrin Neu,Daniel Pleissner,Kerstin Mehlmann,Roland Schneider,Gloria Inés Puerta-Quintero,Joachim Venus +5 more
TL;DR: Down-stream processing of culture broth, including filtration, electrodialysis, ion exchange chromatography and distillation, resulted in a pure lactic acid formulation containing 930gL(-1)l(+)-lactic acid.
Journal ArticleDOI
Low carbon hydrogen production from a waste-based biorefinery system and environmental sustainability assessment
Omprakash Sarkar,Omprakash Sarkar,Ranaprathap Katakojwala,Ranaprathap Katakojwala,S. Venkata Mohan,S. Venkata Mohan +5 more
TL;DR: Low carbon biofuels and biochemicals production from renewable feedstock (waste) in a biorefinery approach.
Journal ArticleDOI
Biobutanol production by Clostridium acetobutylicum using xylose recovered from birch Kraft black liquor.
Rasika L. Kudahettige-Nilsson,Jonas Helmerius,Robert Nilsson,Magnus Sjöblom,David B. Hodge,Ulrika Rova +5 more
TL;DR: This work is the first study of a process for the production of a biologically-derived biofuel from hemicelluloses solubilized during Kraft pulping and demonstrates the feasibility of utilizing xylan recovered directly from industrial Kraft pulped liquors as a feedstock for biological production of biofuels such as butanol.
Journal ArticleDOI
Waste Biorefinery: A New Paradigm for a Sustainable Bioelectro Economy
TL;DR: The various technologies employable to construct a waste biorefinery platform are discussed and its place in a biobased economy is discussed.
References
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Journal ArticleDOI
Recent trends in global production and utilization of bio-ethanol fuel
Mustafa Balat,Havva Balat +1 more
TL;DR: The most widely used bio-fuel for transportation worldwide is bio-ethanol from sugar cane, which is essentially a clean fuel and has several clear advantages over petroleum-derived gasoline in reducing greenhouse gas emissions and improving air quality in metropolitan areas as mentioned in this paper.
Journal ArticleDOI
Characterization and genomic analysis of kraft lignin biodegradation by the beta-proteobacterium Cupriavidus basilensis B-8
TL;DR: These results confirmed the capability of C. basilensis B-8 to promote KL degradation and provide a theoretical basis for research into the mechanisms of lignin degradation as well as a practical basis for biofuel production using lignIn materials.
Journal ArticleDOI
A review of the production of ethanol from softwood
Mats Galbe,Guido Zacchi +1 more
TL;DR: The current status of the technology for ethanol production from softwood is reviewed, with focus on hemicellulose and cellulose hydrolysis, which is the major problem in the overall process.