1
|
González-Gloria KD, Rodríguez-Jasso RM, Rosero-Chasoy G, Shiva, Kostas ET, Aparicio E, Sanchez A, López-Sandin I, Ruiz HA. Scale-up of hydrothermal processing: Liquid hot water and pilot-scale tubular steam explosion batch reactor for bioethanol production using macroalgae Sargassum spp biomass. Bioresour Technol 2023; 369:128448. [PMID: 36513304 DOI: 10.1016/j.biortech.2022.128448] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Sargassum spp. is a biomass that can potentially use as an alternative for bioethanol production. Hydrothermal processes (liquid hot water and steam explosion pretreatment) were carried out at different operational conditions. Enzymatic hydrolysis performed a preliminary test with different ratios 1:1 and 1:2 (cellulases and hemicellulases) of enzyme loading, once selected 1:2 ratio was obtained conversion yield of 99.91% and therefore carried a scale-up in stirred bioreactor getting 95.92% saccharification yield. Pre-simultaneous saccharification and fermentation strategy was performed in a continuous stirred tank bioreactor (CSTBR), producing ethanol yield of 57.69%, and for simultaneous saccharification and fermentation strategy was performed in a bubble column reactor was 71.37% ethanol yield. The energy efficiency was analyzed in different scenarios; the best data was 30.19 (gsugar/MJ) in the bioreactor enzymatic hydrolysis process. This development allows for establishing the conditions for a third-generation biorefinery on a circular bioeconomy using Sargassum biomass.
Collapse
Affiliation(s)
- K D González-Gloria
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico
| | - Rosa M Rodríguez-Jasso
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico
| | - Gilver Rosero-Chasoy
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico
| | - Shiva
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico
| | - Emily T Kostas
- The Advanced Centre of Biochemical Engineering, Department of Biochemical Engineering, University College London, Gower Street, London, WC1E 6BT, UK
| | - E Aparicio
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico
| | - Arturo Sanchez
- Laboratorio de Futuros en Bioenergía, Unidad Guadalajara de Ingeniería Avanzada, Centro de Investigación y Estudios Avanzados (CINVESTAV), Zapopan, Jalisco, 45019, Mexico
| | - Iosvany López-Sandin
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico
| | - Héctor A Ruiz
- Biorefinery Group, Food Research Department, School of Chemistry, Autonomous University of Coahuila, Saltillo, 25280, Coahuila, Mexico.
| |
Collapse
|
2
|
Salinas Sánchez SD, López-Sandin I, Hernández-Luna CE, Contreras-Cordero JF, Méndez-Zamora G, Hernández-Martínez CA, Gutiérrez-Soto G. Uso de cepas de Pycnoporus sanguineus para la producción de enzimas con potencial uso en la industria de la panificación. BIOTECNIA 2022. [DOI: 10.18633/biotecnia.v24i1.1529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
El uso de enzimas como α-amilasas, xilanasas y glucosidasas es una buena alternativa para obtener una mayor eficiencia en los productos de la industria panificadora, sin dejar de mencionar la lacasa que ha mostrado un potencial prometedor. Así, el objetivo de este estudio fue obtener concentrados enzimáticos de xilanasas, amilasas, celulasas y lacasas a partir de cepas nativas de Pycnoporus sanguineus. Para lo cual, se evaluó el efecto del medio de cultivo sobre la producción de lacasa juntamente con el escrutinio en medio sólido para la detección de xilanasas, amilasas y celulasas. A los concentrados enzimáticos obtenidos se les determinaron las unidades de lacasa y carbohidrolasas. Los títulos más altos de lacasa se presentaron en el medio Tx2. Con respecto a las carbohidrolasas, se detectaron en diferentes niveles de actividad y combinaciones. El concentrado con altos niveles de amilasa y lacasa fue CH116, mientras que LE90 tuvo la mayor actividad de xilanasa y LE133 de celulasa. La cepa CH116 fue productora de amilasa, celulasa, xilanasa y lacasa, siendo la de mayor potencial en la industria panificadora, mientras que LE90 puede ser utilizada en la industria papelera por su combinación de xilanasas y lacasa.
Collapse
|