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Subcritical water pretreatment of brewer's spent grains for bio-based products manufacturing in a biorefinery concept

Grant number: 21/12762-9
Support Opportunities:Scholarships abroad - Research Internship - Doctorate (Direct)
Effective date (Start): June 10, 2022
Effective date (End): April 13, 2023
Field of knowledge:Agronomical Sciences - Food Science and Technology - Food Engineering
Principal Investigator:Tânia Forster Carneiro
Grantee:William Gustavo Sganzerla
Supervisor: Solange Ines Mussatto Dragone
Host Institution: Faculdade de Engenharia de Alimentos (FEA). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Research place: Technical University of Denmark (DTU), Denmark  
Associated to the scholarship:19/26925-7 - Development of an automated system for biofuel precursor production using sub-critical technology, BP.DD


Eco-friendly technologies for management of lignocellulosic biomass and generation of biofuels and bio-based products are in constant demand by the industry. Brewer's spent grains (BSG) is the main lignocellulosic by-product generated by the beer industry, accounting for 20 kg per 100 L of beer produced. In Brazil, the generation of BSG is estimated at 2.8×106 ton/year, and BSG is considered in interesting feedstock for application in a biorefinery. However, production of biofuels and other bio-based products from lignocellulosic biomass requires an initial step of pretreatment to overcome the recalcitrance of these materials. In this sense, this project aims to perform experimental assays and an economic analysis of the subcritical water pretreatment (SWP) of BSG for bio-based products manufacturing. For this, the pretreatment of BSG will be conducted in a semi-continuous subcritical reactor to obtain a hydrolysate with high sugar concentration. The hydrolysate obtained will be used as a fermentation medium to produce ethanol, xylitol, and lactic acid. The results obtained in the laboratory experiments will be used to estimate the economic feasibility of the technology, as well as to identify the most profitable option(s) for industrial implementation. Finally, from the techno-economic results obtained, a biorefinery model will be proposed to advance the circular economy of the beer industry. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SGANZERLA, WILLIAM GUSTAVO; DA SILVA, MARCOS FELLIPE; ZABOT, GIOVANI L.; GOLDBECK, ROSANA; MUSSATTO, SOLANGE I.; FORSTER-CARNEIRO, TANIA. Techno-economic assessment of subcritical water hydrolysis of brewer?s spent grains to recover xylo-oligosaccharides. JOURNAL OF SUPERCRITICAL FLUIDS, v. 196, p. 12-pg., . (19/26925-7, 19/08542-3, 18/14938-4, 21/12762-9)
SGANZERLA, WILLIAM GUSTAVO; AMPESE, LARISSA CASTRO; MUSSATTO, SOLANGE I.; FORSTER-CARNEIRO, TANIA. Subcritical water pretreatment enhanced methane-rich biogas production from the anaerobic digestion of brewer's spent grains. ENVIRONMENTAL TECHNOLOGY, v. N/A, p. 19-pg., . (19/26925-7, 18/14938-4, 21/12762-9)
SILLERO, LEONOR; GUSTAVO SGANZERLA, WILLIAM; FORSTER-CARNEIRO, TANIA; SOLERA, ROSARIO; PEREZ, MONTSERRAT. A bibliometric analysis of the hydrogen production from dark fermentation. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v. 47, n. 64, p. 24-pg., . (19/26925-7, 18/14938-4, 21/12762-9)
AMPESE, LARISSA CASTRO; ZIERO, HENRIQUE DI DOMENICO; VELASQUEZ, JEAN; SGANZERLA, WILLIAM GUSTAVO; MARTINS, GILBERTO; FORSTER-CARNEIRO, TANIA. Apple pomace management by anaerobic digestion and composting: a life cycle assessment. BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR, v. 17, n. 1, p. 17-pg., . (21/08696-0, 18/14938-4, 19/26925-7, 21/12762-9)
GUSTAVO SGANZERLA, WILLIAM; SILLERO, LEONOR; FORSTER-CARNEIRO, TANIA; SOLERA, ROSARIO; PEREZ, MONTSERRAT. Determination of Anaerobic Co-fermentation of Brewery Wastewater and Brewer's Spent Grains for Bio-hydrogen Production. BioEnergy Research, v. N/A, p. 11-pg., . (18/14938-4, 19/26925-7, 21/12762-9)

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