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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Journal ArticleDOI
Efficient bioconversion of organic wastes to high optical activity of l-lactic acid stimulated by cathode in mixed microbial consortium.
Gang Xue,Lai Sizhou,Xiang Li,Wenjuan Zhang,You Jiguang,Hong Chen,Qian Yajie,Pin Gao,Liu Zhenhong,Yanan Liu +9 more
TL;DR: The open-circuit operation test demonstrated that the cathode providing in-situ electron supply was essential to achieve high efficient bioconversion of organic wastes to lactic acid, highlighting the feasibility of CEF to steer high value-added fermentation products deriving from organic wastes by the mixed microbial consortium.
Journal ArticleDOI
Biotechnological Production of Fumaric Acid: The Effect of Morphology of Rhizopus arrhizus NRRL 2582
Aikaterini Papadaki,Nikolaos Androutsopoulos,Maria Patsalou,Michalis Koutinas,Nikolaos Kopsahelis,Aline Machado de Castro,Seraphim Papanikolaou,Apostolis A. Koutinas +7 more
TL;DR: Results indicated that dispersed clumps were more effective in fumaric acid production than pellets and renewable resources could be alternatively valorised for the biotechnological production of platform chemicals.
Journal ArticleDOI
Lactic acid fermentation modelling of Streptococcus thermophilus YI-B1 and Lactobacillus casei Shirota using food waste derived media
TL;DR: In this article, an unstructured modified Monod expression was used to predict the fermentation process of Lactobacillus casei Shirota and S. thermophilus YI-B1.
Journal ArticleDOI
Thermo-chemical conversion of carbonaceous wastes for CNT and hydrogen production: a review
Ye Shui Zhang,Hua Lun Zhu,Dingding Yao,Paul T. Williams,Chunfei Wu,Dan Xu,Dan Xu,Qiang Hu,George Manos,Lu Yu,Ming Zhao,Paul R. Shearing,Dan J. L. Brett +12 more
TL;DR: In this article, the authors focus on the four most abundant waste carbonaceous materials (waste tyres, plastics, biomass and crude glycerol) which have great potential to be alternative feedstocks for CNT production.
Journal ArticleDOI
Catalytic upgrading of butyric acid towards fine chemicals and biofuels
TL;DR: Current chemoc atalytic and biocatalytic conversion methods are reviewed with a focus on upgrading butyric acid to 1-butanol or butyl-butyrate, and Ruthenium- and Platinum-based catalyst and lipase exhibit important activities which can pave the way for more sustainable process concepts for the production of green fuels and chemicals.
References
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Cellulose: Fascinating Biopolymer and Sustainable Raw Material
TL;DR: The current knowledge in the structure and chemistry of cellulose, and in the development of innovative cellulose esters and ethers for coatings, films, membranes, building materials, drilling techniques, pharmaceuticals, and foodstuffs are assembled.
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Technology development for the production of biobased products from biorefinery carbohydrates—the US Department of Energy’s “Top 10” revisited
TL;DR: An updated evaluation of potential target structures using similar selection methodology, and an overview of the technology developments that led to the inclusion of a given compound are presented.
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.
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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.
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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.