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Table 1 Combinatorial pretreatment strategies to fractionate lignin from corn stover [38]

From: Combinatorial pretreatment and fermentation optimization enabled a record yield on lignin bioconversion

Case Step 1 Step 2
Chemicals Conditions Solid loading (%) Chemicals Conditions Solid loading (%)
1 1% NaOH 120 °C, 60 min 10
2 Liquid hot water 120 °C, 30 min 10 1% NaOH 120 °C, 60 min 10
3 Liquid hot water 120 °C, 30 min 10 50% ethanol + 1% NaOH 120 °C, 60 min 10
4 1% H2SO4 120 °C, 30 min 10 1% NaOH 120 °C, 60 min 10
5 1% H2SO4 120 °C, 30 min 10 50% ethanol + 1% NaOH 120 °C, 60 min 10
  1. % was calculated based on the weight percent, w/w