Productive Chain of Biofuels and Industrial Biocatalysis

Silva, Ayla Sant’Ana da; Sá, Lívian Ribeiro Vasconcelos de; Aguieiras, Érika C.G.; Souza, Marcella Fernandes de; Teixeira, Ricardo Sposina Sobral; Cammarota, Magali Christe; Bon, Elba P. S.; Freire, Denise Maria Guimarães; Ferreira-Leitão, Viridiana Santana

doi:10.1016/b978-0-12-803725-6.00020-0

Cited by 6 publications

(2 citation statements)

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“…One of the oldest fermentation technologies is the synthesis of bioethanol from fermentable carbohydrates. Vegetable and fruit waste, corn stover, and sugarcane bagasse all contain considerable amounts of sugar, which can be utilized in the fermentation process to generate bioethanol [51]. The microorganisms used in ethanol fermentation break down the sugars available in organic waste into pyruvate molecules, which are subsequently converted to ethanol and carbon dioxide [52,53].…”

Section: Solid Organic Waste Conversionmentioning

confidence: 99%

“…The microorganisms used in ethanol fermentation break down the sugars available in organic waste into pyruvate molecules, which are subsequently converted to ethanol and carbon dioxide [52,53]. Organic wastes containing complex sugars such as cellulose and hemicellulose, on the other hand, are difficult for fermentation microbes to digest, necessitating a pretreatment phase (hydrolysis) to convert the polysaccharides into simple sugars prior to fermentation [6,51]. For example, Byadgi and Kalburgi [54] investigated the three-step fermentation of waste newspapers to produce bioethanol.…”

Section: Solid Organic Waste Conversionmentioning

confidence: 99%

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Integration of Waste to Bioenergy Conversion Systems: A Critical Review

2022

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Sustainable biofuel production is the most effective way to mitigate greenhouse gas emissions associated with fossil fuels while preserving food security and land use. In addition to producing bioenergy, waste biorefineries can be incorporated into the waste management system to solve the future challenges of waste disposal. Biomass waste, on the other hand, is regarded as a low-quality biorefinery feedstock with a wide range of compositions and seasonal variability. In light of these factors, biomass waste presents limitations on the conversion technologies available for value addition, and therefore more research is needed to enhance the profitability of waste biorefineries. Perhaps, to keep waste biorefineries economically and environmentally sustainable, bioprocesses need to be integrated to process a wide range of biomass resources and yield a diverse range of bioenergy products. To achieve optimal integration, the classification of biomass wastes to match the available bioprocesses is vital, as it minimizes unnecessary processes that may increase the production costs of the biorefinery. Based on biomass classification, this study discusses the suitability of the commonly used waste-to-energy conversion methods and the creation of integrated biorefineries. In this study, the integration of waste biorefineries is discussed through the integration of feedstocks, processes, platforms, and the symbiosis of wastes and byproducts. This review seeks to conceptualize a framework for identifying and integrating waste-to-energy technologies for the varioussets of biomass wastes.

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Section: Solid Organic Waste Conversionmentioning

confidence: 99%