Metagenomic analysis and optimization of hydrogen production from sugarcane bagasse

Author(s)

Soares, Lais Americo ^[1] ; Borges Silva Rabelo, Camila Abreu ^[1] ; Sakamoto, Isabel Kimiko ^[1] ; Delforno, Tiago Paladino ^[2] ; Silva, Edson Luis ^[3] ; Amancio Varesche, Maria Bernadete ^[1]

Affiliation

^[1] Univ Sao Paulo, Joao Dagnone Ave 1100, BR-13563120 Sao Carlos, SP - Brazil

^[2] Res Ctr Chem Biol & Agr, BR-13081970 Campinas, SP - Brazil

^[3] Univ Fed Sao Carlos, Rod Washington Luis, Km 235, BR-13565905 Sao Carlos, SP - Brazil

• Document type: Journal article
• Source: BIOMASS & BIOENERGY; v. 117, p. 78-85, OCT 2018.
• Web of Science Citations: 2

Abstract

The substrate and yeast extract (YE) concentrations of a batch reactor were changed according to a central composite design in order to optimize the conversion of sugarcane bagasse (SCB) into hydrogen. The optimum hydrogen production (1.50 mmol/L) was obtained using 2.77 and 5.84 g/L of YE and SCB, respectively. Taxonomic analysis using the SEED database indicated that Clostridium (33% of total communities) and Methanothermobacter (40% of archaeal community) were the most abundant genera in the high hydrogen performance reactor. Key microorganisms and related pathways involved in all steps of the anaerobic digestion were further revealed and may help drive sugarcane bagasse bioconversion. (AU)

• FAPESP's process: 09/15984-0 - Bioenergy production from wastewaters and environmental fitting of liquid and solid wastes generated
• Grantee: Marcelo Zaiat
• Support Opportunities: Research Projects - Thematic Grants
• FAPESP's process: 13/22346-6 - Hydrolysis of cane bagasse to hydrogen production in mesophilic and thermophilic conditions
• Grantee: Laís Américo Soares
• Support Opportunities: Scholarships in Brazil - Doctorate