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Structure and functional dynamics of microbial community of anaerobic digesters applied to energy recovery and environmental framework of wastes generated in bioethanol production of 1st and 2nd generation

Grant number: 13/15665-8
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): November 01, 2013
Field of knowledge:Engineering - Sanitary Engineering - Water Supply and Wastewater Treatment
Principal Investigator:Marcelo Zaiat
Grantee:Antônio Djalma Nunes Ferraz Júnior
Host Institution: Centro Nacional de Pesquisa em Energia e Materiais (CNPEM). Ministério da Ciência, Tecnologia e Inovações (Brasil). Campinas , SP, Brazil
Associated research grant:15/06246-7 - Biorefinery concept applied to biological wastewater treatment plants: environmental pollution control coupled with material and energy recovery, AP.TEM
Associated scholarship(s):15/21650-9 - Applied metagenomics for biofuels development and environmental sustainability in biorefineries based on sugarcane, BE.EP.PD


In recent years are large efforts of several institutions of research and development, and private sector initiatives, to develop technological solutions that increase efficiency and sustainability (economic, environmental and social) of the process of obtaining sugar, ethanol and bioelectricity from sugar cane. However, for the full sustainable production process be reached, the treatment and use of liquid streams generated in bioethanol production of first (1st) and second generation (2nd) must be considered. From one side, the problem of vinasse generated in large volumes during ethanol distillation and, the other side, the pentose liquor resulting from bagasse pretreatment constitute serious environmental problem, if no proper disposal. The anaerobic digestion (AD) is presented as a sustainable option for treatment, combining the environmental suitability of these wastes to energy generation by the hydrogen and methane production, in addition to the generation of value-added byproducts. This conception is appropriate for a biorefinery model by integrating ethanol production and energy recovery and by-products. However, the gaps about the AD of vinasse and liquor pentoses hinder the implementation and expansion of this technology. The barriers are even greater regarding to studies of microbial communities producing biogas, there is no information available in the literature about the structure and dynamics consortia operating in the digestion of these liquid streams. The metagenomic analysis of microbial consortia producing biogas is a new approach. Thus, this research aims to study the complex interaction of microorganisms in anaerobic digesters applied to energy recovery and environmental suitability of wastes generated in bioethanol production of 1st and 2nd generation, being an extremely important tool for basic research, as for applied research in the aspect of improving the renewable energy production and systems stability.

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Scientific publications (9)
(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)
NUNES FERRAZ JUNIOR, ANTONIO DJALMA; PAGES, CLEMENCE; LATRILLE, ERIC; BERNET, NICOLAS; ZAIAT, MARCELO; TRABLY, ERIC. Biogas sequestration from the headspace of a fermentative system enhances hydrogen production rate and yield. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v. 45, n. 19, p. 11011-11023, . (13/15665-8, 15/21650-9)
DOS SANTOS, CARLA ELOISA DINIZ; COSTA, RACHEL BIANCALANA; RABELO, CAMILA ABREU BORGES SILVA; FERRAZ JUNIOR, ANTONIO DJALMA NUNES; PERSINOTI, GABRIELA FELIX; POZZI, ELOISA; FORESTI, EUGENIO; DAMIANOVIC, MARCIA HELENA RISSATO ZAMARIOLLI. Hacking biofilm developed in a structured-bed reactor (SBRRIA) with integrated processes of nitrogen and organic matter removal. Bioprocess and Biosystems Engineering, v. 44, n. 9, p. 1841-1851, . (13/15665-8, 15/21650-9)
MOTA, V. T.; FERRAZ JUNIOR, A. D. N.; TRABLY, E.; ZAIAT, M.. Biohydrogen production at pH below 3.0: Is it possible?. WATER RESEARCH, v. 128, p. 350-361, . (17/05819-9, 14/22475-3, 15/06246-7, 13/15665-8)
KOYAMA, MIRIAN HARUMI; ARAUJO JUNIOR, MOACIR MESSIAS; ZAIAT, MARCELO; NUNES FERRAZ JUNIOR, ANTONIO DJALMA. Kinetics of thermophilic acidogenesis of typical Brazilian sugarcane vinasse. ENERGY, v. 116, n. 1, p. 1097-1103, . (09/15984-0, 15/21650-9, 13/15665-8)
FUESS, LUCAS TADEU; NUNES FERRAZ, JR., ANTONIO DJALMA; MACHADO, CARLA BOTELHO; ZAIAT, MARCELO. Temporal dynamics and metabolic correlation between lactate-producing and hydrogen-producing bacteria in sugarcane vinasse dark fermentation: The key role of lactate. Bioresource Technology, v. 247, p. 426-433, . (12/15606-9, 15/21650-9, 13/15665-8, 09/15984-0)
FUESS, LUCAS TADEU; MAZINE KIYUNA, LUMA SAYURI; NUNES FERRAZ JUNIOR, ANTONIO DJALMA; PERSINOTI, GABRIELA FELIX; SQUINA, FABIO MARCIO; GARCIA, MARCELO LOUREIRO; ZAIAT, MARCELO. Thermophilic two-phase anaerobic digestion using an innovative fixed-bed reactor for enhanced organic matter removal and bioenergy recovery from sugarcane vinasse. APPLIED ENERGY, v. 189, p. 480-491, . (12/15606-9, 15/21650-9, 13/15665-8, 09/15984-0)
NUNES FERRAZ JUNIOR, ANTONIO DJALMA; ETCHEBEHERE, CLAUDIA; ZAIAT, MARCELO. Mesophilic hydrogen production in acidogenic packed-bed reactors (APBR) using raw sugarcane vinasse as substrate: Influence of support materials. Anaerobe, v. 34, p. 94-105, . (09/15984-0, 13/15665-8)
NUNES FERRAZ JUNIOR, ANTONIO DJALMA; KOYAMA, MIRIAN H.; DE ARAUJO JUNIOR, MOACIR M.; ZAIAT, MARCELO. Thermophilic anaerobic digestion of raw sugarcane vinasse. RENEWABLE ENERGY, v. 89, p. 245-252, . (09/15984-0, 13/15665-8)
NUNES FERRAZ JUNIOR, ANTONIO DJALMA; ETCHEBEHERE, CLAUDIA; ZAIAT, MARCELO. High organic loading rate on thermophilic hydrogen production and metagenomic study at an anaerobic packed-bed reactor treating a residual liquid stream of a Brazilian biorefinery. Bioresource Technology, v. 186, p. 81-88, . (09/15984-0, 13/15665-8)

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