Ottenere zuccheri fermentabili dalla bagassa della canna da zucchero
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Ottenere zuccheri fermentabili dalla bagassa della canna da zucchero

Ottenere zuccheri fermentabili dalla bagassa della canna da zucchero


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About the Book

La bagassa di canna da zucchero è costituita da materiali lignocellulosici, che l'idrolisi può convertire in zuccheri semplici, che vengono fermentati e convertiti in etanolo. Poiché le lignocellulose sono resistenti all'idrolisi, sono necessari pretrattamenti per rendere accessibile la cellulosa frazionando i suoi componenti chimici. In questo studio sono state analizzate diverse combinazioni di pretrattamenti della bagassa di canna da zucchero per valutare la loro influenza sul rilascio di zuccheri riducenti. Nella prima fase, l'idrolisi acida della bagassa di canna da zucchero è stata effettuata in autoclave utilizzando acido solforico a concentrazioni del 2%, 6% e 10% in un rapporto campione/acido di 1:10 (m/v) a tempi diversi (15, 30 e 60 minuti) a una temperatura di 121°C e 1kgf/cm². Gli idrolizzati sono stati recuperati con acqua distillata 1:10 (v/v) mediante filtrazione sotto vuoto e quindi gli zuccheri riducenti (RA) sono stati determinati con il metodo DNS (acido dinitrosalicilico). Nella seconda fase, sono stati effettuati pretrattamenti alcalini con idrossido di sodio a concentrazioni del 2%, 6% e 10% per 15, 30 e 60 minuti a una temperatura di 120°C e 1 kgf/cm².


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Product Details
  • ISBN-13: 9786207613809
  • Publisher: KS Omniscriptum Publishing
  • Binding: BC
  • Language: ita
  • Returnable: N
  • Weight: 145 gr
  • ISBN-10: 6207613805
  • Publisher Date: 31 May 2024
  • Height: 229 mm
  • No of Pages: 56
  • Spine Width: 3 mm
  • Width: 152 mm


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