Solid-state anaerobic digestion of fungal pretreated Miscanthus sinensis harvested in two different seasons

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Abstract

Solid-state anaerobic digestion of Miscanthus sinensis harvested in fall and spring was compared under different total solids contents and feedstock-to-inoculum ratios. The highest specific methane yields reached 170-175LCH4/kg volatile solids for both harvest seasons. Miscanthus harvested in fall generated a 6% higher methane yield in average than miscanthus harvested in spring. Fungal pretreatment with Ceriporiopsis subvermispora decreased the lignin content of miscanthus harvested in spring by 25.7%, but there was no significant delignification observed for miscanthus harvested in fall. Fungal pretreatment of miscanthus harvested in spring increased the specific methane yield by 25%, but fungal pretreatment caused a slight methane yield reduction for miscanthus harvested in fall. Methane yields for miscanthus were comparable with those from other energy crops.

Original languageEnglish (US)
Pages (from-to)211-217
Number of pages7
JournalBioresource technology
Volume185
DOIs
StatePublished - Jun 1 2015

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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