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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Carbon dioxide assisted co-pyrolysis of coal and ligno-cellulosic biomass
TL;DR: In this article, the influence of CO 2 in co-pyrolysis of coal and main constituents of ligno-cellulosic biomass (cellulose and hemicellulose) was investigated.
Journal ArticleDOI
Progress toward improving ethanol production through decreased glycerol generation in Saccharomyces cerevisiae by metabolic and genetic engineering approaches
Mohammad Pooya Naghshbandi,Meisam Tabatabaei,Mortaza Aghbashlo,Vijai Kumar Gupta,Alawi Sulaiman,Keikhosro Karimi,Hamid Moghimi,Mina Maleki +7 more
TL;DR: Overall, it could be concluded that glycerol production was hindered by the deletion of the most important genes in glycersol production, i.e., GPD genes, generally resulting in increased ethanol production.
Journal ArticleDOI
Microbial oil production from various carbon sources by newly isolated oleaginous yeasts.
Sofia Maina,Chrysanthi Pateraki,Nikolaos Kopsahelis,Spiros Paramithiotis,Eleftherios H. Drosinos,Seraphim Papanikolaou,Apostolis A. Koutinas +6 more
TL;DR: Six oleaginous yeasts, isolated from fruits, were selected based on their ability to accumulate high intracellular content of microbial oil, and could be potentially used for biodiesel production.
Journal ArticleDOI
Integrated sunflower-based biorefinery for the production of antioxidants, protein isolate and poly(3-hydroxybutyrate)
Vasiliki Kachrimanidou,Nikolaos Kopsahelis,Maria Alexandri,Androniki Strati,Chryssavgi Gardeli,Seraphim Papanikolaou,Michael Komaitis,Ioannis K. Kookos,Apostolis A. Koutinas +8 more
TL;DR: Sunflower meal (SFM) has been used for the production of an antioxidant-rich fraction, protein isolate and nutrient-rich fermentation supplements as mentioned in this paper, which is the first study that reports the utilization of biodiesel industry by-products for production of value-added co-products and poly(3-hydroxybutyrate) with no supplementation of commercial nutrient supplements.
Journal ArticleDOI
Chemical transformation of food and beverage waste-derived fructose to hydroxymethylfurfural as a value-added product
Iris K.M. Yu,Khai Lun Ong,Daniel C.W. Tsang,Ariful Haque,Tsz Him Kwan,Season S. Chen,Kristiadi Uisan,Sandeep Kulkarni,Carol Sze Ki Lin +8 more
TL;DR: In this article, a novel alternative bioconversion and chemical transformation method for valorisation of food and beverage (F&B) waste to hydroxymethylfurfural (HMF) is reported.
References
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Cellulose: Fascinating Biopolymer and Sustainable Raw Material
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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
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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.