Hydrolysis and composition of recovered fibres fractionated from solid recovered fuel.

نویسندگان

  • K Kemppainen
  • M Siika-Aho
  • A Östman
  • E Sipilä
  • T Puranen
  • N von Weymarn
  • K Kruus
چکیده

Fibres fractionated from solid recovered fuel (SRF), a standardised market combustion fuel produced from sorted waste, were considered as a source of lignocellulosic fermentable sugars. The fibre yield from four samples of SRF was 25-45%, and the separated material consisted of 52-54% carbohydrates, mainly glucan, with a high content of ash (12-17%). The enzymatic digestibility of recovered fibres was studied at low and high solids loading and compared with model substrates containing only chemical and mechanical pulps. Above 80% hydrolysis yield was reached at 20% solids loading in 48 h, but variation was observed between different samples of recovered fibres. Surfactants were found to improve the hydrolysis yield of recovered fibres especially in tumbling-type of mixing at low solids loading, where hydrolysis was found to stagnate without surfactants. The results suggest that SRF is a potential source of easily digestible lignocellulosic carbohydrates for use in biorefineries.

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عنوان ژورنال:
  • Bioresource technology

دوره 169  شماره 

صفحات  -

تاریخ انتشار 2014