Producción de azúcares fermentables a partir de la paja de arroz

Autores/as

  • Miral Miranda-Neto Federal University of Rio Grande (FURG), Campus Carreiros, Escola de Química e Alimentos, Programa de Pós-Graduação em Engenharia Química, Rio Grande, Rio Grande do Sul, Brazil
  • Rodrigo de Faria-Rodrigues Federal University of Rio Grande (FURG), Campus Carreiros, Escola de Química e Alimentos, Programa de Pós-Graduação em Engenharia Química, Rio Grande, Rio Grande do Sul, Brazil
  • Walter Augusto-Ruiz Federal University of Rio Grande (FURG), Campus Carreiros, Escola de Química e Alimentos, Programa de Pós-Graduação em Engenharia Química, Rio Grande, Rio Grande do Sul, Brazil
  • Paulo Henrique-Beck Federal University of Rio Grande (FURG), Campus Carreiros, Escola de Química e Alimentos, Programa de Pós-Graduação em Engenharia Química, Rio Grande, Rio Grande do Sul, Brazil
  • Toni Jefferson-Lopes Federal University of Rio Grande (FURG), Campus Santo Antônio da Patrulha, Rua Barão do Cahy, Santo Antônio da Patrulha, Rio Grande do Sul, Brazil

Palabras clave:

tratamiento hidrotermal; hidrólisis enzimática; paja de arroz; biomasa; etanol 2G.

Resumen

Purpose: to present a method to enhance enzymatic hydrolysis of biomass, hydrothermal treatment. Methods: It was used Teflon bomb, fed with rice straw and water, to extract reducing sugars by hydrothermal treatment. Conditions were analysed using design of experiment procedure and ANOVA. The hydrothermal conditions were 140 and 200 °C, 20 and 60 min and 62,5 and 71,42 g straw per kilogram of water. The straw was filtered, dried and submitted to enzymatic hydrolysis; the conditions were 24 and 72 h, solid/liquid ratio were 0,625 and 2,50 % w/v and enzyme loading 16,5 and 66 FPU · g-1. Results: It was observed best yields of Reducing Sugars when submitting the Teflon bomb to 200 °C temperature for 60 min and 62,5 g straw per kg of water (pressure of 15,5 atm). The conditions for the enzymatic hydrolysis were 72 h and enzyme loading of 66 FPU · g-1. The enzymatic yield was 42,72 %.

Citas

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Publicado

2023-06-05

Cómo citar

Miranda-Neto, M., Faria-Rodrigues, R. de, Augusto-Ruiz, W., Henrique-Beck, P., & Jefferson-Lopes, T. (2023). Producción de azúcares fermentables a partir de la paja de arroz. Revista Cubana De Química, 35(2), 297–321. Recuperado a partir de https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/5336

Número

Vol. 35 Núm. 2 (2023)

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Artículos

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Derechos de autor 2023 Miral Miranda-Neto, Rodrigo de Faria-Rodrigues, Walter Augusto-Ruiz, Paulo Henrique-Beck, Toni Jefferson-Lopes

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