BioMed Research International / 2014 / Article / Tab 1

Research Article

Enhanced Solid-State Biogas Production from Lignocellulosic Biomass by Organosolv Pretreatment

Table 1

Composition analyses of the inoculum as well as the untreated versus pretreated feedstocks.

SamplesPretreatmentTS content (%)VS content (%)Total lignin* (%)Hemicellulose (%)Cellulose (%)

Inoculum5.72.7NDNDND
Centrifuged11.75.3NDNDND

ElmwoodUntreated95.594.526.226.346.4
150°C, 0.5 h95.594.125.123.450.0
150°C, 1 h95.593.823.421.553.3
180°C, 0.5 h96.394.420.421.955.7
180°C, 1 h94.993.619.121.358.1

PinewoodUntreated95.195.226.828.044.5
150°C, 0.5 h95.394.627.820.251.3
150°C, 1 h95.995.126.521.351.4
180°C, 0.5 h96.595.522.118.558.4
180°C, 1 h96.995.821.116.960.8

Rice strawUntreated95.483.917.150.121.5
150°C, 0.5 h95.683.812.245.629.9
150°C, 1 h95.783.613.445.328.7
180°C, 0.5 h95.986.211.442.336.2
180°C, 1 h96.084.710.642.235.3

ND = not determined.
*Sum of acid soluble lignin (ASL) and acid insoluble lignin (AIL) contents.

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