Artigo de periodico

Using Undigested Biomass Solid Leftovers from the Saccharification Process to Integrate Lignosulfonate Production in a Sugarcane Bagasse Biorefinery (2022)

• Authors:
  • Heinz, Otto
  • Rencoret, Jorge
  • del Río, José C
  • Ferraz, André Luis
• USP affiliated authors: FERRAZ, ANDRÉ LUIS - EEL ; HEINZ, OTTO LUCAS - EEL
• Unidade: EEL
• DOI: 10.1021/acssuschemeng.2c01274
• Subjects: CELULOSE; LIGNINA; CALDO DE CANA; MONOSSACARÍDEOS; SACARIFICAÇÃO
• Keywords: biorefinery; cellulases; lignin; lignosulfonates; monosaccharides; saccharification leftovers; sugarcane; 2D-NMR
• Agências de fomento:
  • Financiamento CAPES
  • Financiamento CNPq
  • Financiamento ERDF
  • Financiamento Fondos FEDER. Junta de Andalucía. Consejería de Economía, Conocimiento, Empresas y Universidad
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
    Processo FAPESP: 2019/25867-3
• Language: Inglês
• Abstract: Innovative schemes for lignocellulosic biomass refining could optimize the chemical use and biomass conversion efficiency, providing diversified biorefinery products. A new biorefinery scheme used mild alkaline-sulfite chemithermomechanical processing to pretreat sugarcane bagasse, producing highly digestible solids and diluted lignosulfonates in the black pretreatment liquor. Most of the glucan and xylan contained in the pretreated solids were converted into monosaccharides by saccharification with commercial enzymes. The undigested biomass solids remaining from the saccharification process were recycled with the existing alkaline-sulfite black pretreatment liquor. The optimized reaction conditions (159 °C and 13% NaOH amendment in the liquor) enhanced the lignosulfonate concentration from 7.1 ± 0.3 to 33.5 ± 0.7 g/L. Mass balance for the process indicates that most of the original sugarcane bagasse lignin were split into lignosulfonates contained in the resulfonation liquor (57.3%) and in the enzymatic hydrolysate (16.2%). 2D-NMR analysis of a lignosulfonate fraction recovered by ultrafiltration confirmed that approximately 9–10% of all β-O-4′ alkyl–aryl ether substructures were α-sulfonated. The combined chemical characteristics of the prepared lignosulfonate suggested its suitability for use in several lignosulfonate applications.
• Source:
  • Título: ACS Sustainable Chemistry & Engineering
  • ISSN: 21680485
  • Volume/Número/Paginação/Ano: v., n. , p.7576-7585, 2022

Informações sobre o DOI: 10.1021/acssuschemeng.2c01274 (Fonte: oaDOI API)
• Este periódico é de assinatura
• Este artigo NÃO é de acesso aberto
  
• Cor do Acesso Aberto: closed

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How to cite

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• ABNT

  HEINZ, Otto et al. Using Undigested Biomass Solid Leftovers from the Saccharification Process to Integrate Lignosulfonate Production in a Sugarcane Bagasse Biorefinery. ACS Sustainable Chemistry & Engineering, n. , p. 7576-7585, 2022Tradução . . Disponível em: https://doi.org/10.1021/acssuschemeng.2c01274. Acesso em: 28 dez. 2025.

• APA

  Heinz, O., Rencoret, J., del Río, J. C., & Ferraz, A. L. (2022). Using Undigested Biomass Solid Leftovers from the Saccharification Process to Integrate Lignosulfonate Production in a Sugarcane Bagasse Biorefinery. ACS Sustainable Chemistry & Engineering, ( ), 7576-7585. doi:10.1021/acssuschemeng.2c01274

• NLM

  Heinz O, Rencoret J, del Río JC, Ferraz AL. Using Undigested Biomass Solid Leftovers from the Saccharification Process to Integrate Lignosulfonate Production in a Sugarcane Bagasse Biorefinery [Internet]. ACS Sustainable Chemistry & Engineering. 2022 ;( ): 7576-7585.[citado 2025 dez. 28 ] Available from: https://doi.org/10.1021/acssuschemeng.2c01274

• Vancouver

  Heinz O, Rencoret J, del Río JC, Ferraz AL. Using Undigested Biomass Solid Leftovers from the Saccharification Process to Integrate Lignosulfonate Production in a Sugarcane Bagasse Biorefinery [Internet]. ACS Sustainable Chemistry & Engineering. 2022 ;( ): 7576-7585.[citado 2025 dez. 28 ] Available from: https://doi.org/10.1021/acssuschemeng.2c01274

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