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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Mystery behind Chinese liquor fermentation
Guangyuan Jin,Yang Zhu,Yan Xu +2 more
TL;DR: Wang et al. as mentioned in this paper provided a detailed, systematic and critical review on Chinese liquor to improve the current industrial practice and serve the modern society with yet incompletely explored but useful principles.
Journal ArticleDOI
Production of bioplastic through food waste valorization.
Yiu Fai Tsang,Vanish Kumar,Pallabi Samadar,Yi Yang,Jechan Lee,Yong Sik Ok,Hocheol Song,Kihyun Kim,Eilhann E. Kwon,Young Jae Jeon +9 more
TL;DR: This review focuses on current technologies for the production of polyhydroxyalkanoates (PHA) from food waste, with particular attention paid to fermentation technologies based on pure and mixed cultures.
Journal ArticleDOI
Producing PHAs in the bioeconomy — Towards a sustainable bioplastic
TL;DR: In this paper, the authors have shown that polyhydroxyalkanoates (PHAs) can contribute to greenhouse gas emission reduction targets, waste reduction as well as green jobs and innovation in the biotechnology sector.
Journal ArticleDOI
Bioremediation 3.0: Engineering pollutant-removing bacteria in the times of systemic biology.
TL;DR: In this paper, the authors analyze how contemporary systemic biology is helping to take the design of bioremediation agents back to the core of environmental biotechnology and propose an engineering workflow.
Journal ArticleDOI
Bioconversion of biomass waste into high value chemicals.
TL;DR: The valorization of inexpensive, abundantly available, and renewable biomass waste could provide significant benefits in response to increasing fossil fuel demands and manufacturing costs, as well as emerging environmental concerns.
References
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Journal ArticleDOI
Review of pretreatment processes for lignocellulosic ethanol production, and development of an innovative method
David Chiaramonti,Matteo Prussi,Simone Ferrero,Luis Oriani,Piero Ottonello,Paolo Torre,Francesco Cherchi +6 more
TL;DR: In this article, a new process using only water and steam as reacting media was developed, experimentally tested, and results compared to those achieved by the autohydrolysis and steam explosion processes.
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Succinic acid production with reduced by-product formation in the fermentation of Anaerobiospirillum succiniciproducens using glycerol as a carbon source.
TL;DR: Succinic acid can be produced with much less by-product formation by using glycerol as a carbon source, which will facilitate its purification, according to the gram ratio of succinic acid to acetic acid.
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Direct lactic acid fermentation: focus on simultaneous saccharification and lactic acid production.
TL;DR: Simultaneous saccharification and fermentation can replace the classical double step fermentation by the saccharization of starchy or cellulosic biomass and conversion to lactic acid concurrently by adding inoculum along with the substrate degrading enzymes.
Journal ArticleDOI
Design and techno-economic evaluation of microbial oil production as a renewable resource for biodiesel and oleochemical production
Apostolis A. Koutinas,Afroditi Chatzifragkou,Nikolaos Kopsahelis,Seraphim Papanikolaou,Ioannis K. Kookos +4 more
TL;DR: In this paper, the authors employed experimental results from the open literature for the design and techno-economic evaluation of four process flowsheets for the production of microbial oil or biodiesel.
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Economical succinic acid production from cane molasses by Actinobacillus succinogenes.
TL;DR: The present study suggests that the inexpensive cane molasses could be utilized for the economical and efficient production of succinic acid by A. succinogenes.