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Table 2 Xylan mass closure of pretreatment at 150°C, 8 mg H 2 SO 4 per g of O.D. corn stover for 20 min

From: Improved ethanol yield and reduced Minimum Ethanol Selling Price (MESP) by modifying low severity dilute acid pretreatment with deacetylation and mechanical refining: 1) Experimental

  Corn stover type Xylan conversion during steam gun pretreatment
   Monomer (%) Oligomer (%) Xylose degraded into furfural (%) Xylan in solids (%) Mass closure (%)
Control 34 M95 62 21 2 18 103
  33B51 53 23 2 24 102
Deacetylated 34 M95 73 10 2 17 102
  33B51 70 7 2 21 100