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Production of Carbohydrates from Cardoon Pre-Treated by Acid-Catalyzed Steam Explosion and Enzymatic Hydrolysis

Author

Listed:
  • Alessandro Bertini

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

  • Mattia Gelosia

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

  • Gianluca Cavalaglio

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

  • Marco Barbanera

    (Department of Economics Engineering Society and Business Organization (DEIM), University of Tuscia, Largo dell’Università s.n.c., Loc. Riello, 01100 Viterbo, Italy)

  • Tommaso Giannoni

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

  • Giorgia Tasselli

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

  • Andrea Nicolini

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

  • Franco Cotana

    (CIRIAF—Biomass Research Centre, University of Perugia, via G. Duranti 63, 06125 Perugia, Italy)

Abstract

Cardoon ( Cynara cardunculus ) is a promising crop from which to obtain oilseeds and lignocellulosic biomass. Acid-catalyzed steam explosion is a thermochemical process that can efficiently pre-treat lignocellulosic biomass. The drawback is the production of a high number of carbohydrate degradation products in the liquid fraction that could inhibit microbial growth. In this work, the lignocellulosic biomass of cardoon, gathered from a dedicated field, were used as the raw material for the production of fermentable monosaccharides by employing acid-catalyzed steam explosion. The raw material was pre-soaked with a dilute 1% ( w / w ) sulfuric acid solution and then subjected to steam explosion under three different severity conditions. The recovered slurry was separated into solid and liquid fractions, which were individually characterized to determine total carbohydrate and inhibitor concentrations. The slurry and the washed solid fraction underwent enzymatic hydrolysis to release glucose and pentose monosaccharides. By conducting the pre-treatment at 175 °C for 35 min and hydrolyzing the obtained slurry, a yield of 33.17 g of monosaccharides/100 g of cardoon was achieved. At the same conditions, 4.39 g of inhibitors/100 g of cardoon were produced.

Suggested Citation

  • Alessandro Bertini & Mattia Gelosia & Gianluca Cavalaglio & Marco Barbanera & Tommaso Giannoni & Giorgia Tasselli & Andrea Nicolini & Franco Cotana, 2019. "Production of Carbohydrates from Cardoon Pre-Treated by Acid-Catalyzed Steam Explosion and Enzymatic Hydrolysis," Energies, MDPI, vol. 12(22), pages 1-10, November.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:22:p:4288-:d:285716
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    Citations

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    Cited by:

    1. Marco Castellini & Stefano Ubertini & Diego Barletta & Ilaria Baffo & Pietro Buzzini & Marco Barbanera, 2021. "Techno-Economic Analysis of Biodiesel Production from Microbial Oil Using Cardoon Stalks as Carbon Source," Energies, MDPI, vol. 14(5), pages 1-21, March.
    2. Mattia Gelosia & Alessandro Bertini & Marco Barbanera & Tommaso Giannoni & Andrea Nicolini & Franco Cotana & Gianluca Cavalaglio, 2020. "Acid-Assisted Organosolv Pre-Treatment and Enzymatic Hydrolysis of Cynara cardunculus L. for Glucose Production," Energies, MDPI, vol. 13(16), pages 1-10, August.
    3. Tommaso Giannoni & Mattia Gelosia & Alessandro Bertini & Giacomo Fabbrizi & Andrea Nicolini & Valentina Coccia & Paola Iodice & Gianluca Cavalaglio, 2021. "Fractionation of Cynara cardunculus L. by Acidified Organosolv Treatment for the Extraction of Highly Digestible Cellulose and Technical Lignin," Sustainability, MDPI, vol. 13(16), pages 1-16, August.

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