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Table 1 Steam-pretreatment conditions at a constant severity of 3.6 obtained by manipulating temperatures and residence times

From: A comparison of various lignin-extraction methods to enhance the accessibility and ease of enzymatic hydrolysis of the cellulosic component of steam-pretreated poplar

Sample Temperature (°C) Time (min) H2SO4 loading (%)a Severity (R 0)
SP1 200 5.0 0.7 3.6
SP2 190 9.9 0.7 3.6
SP2# 190 9.9 0.0 3.6
SP3 180 19.4 0.7 3.6
SP4 170 38.2 0.7 3.6
SP5 160 75.3 0.7 3.6
  1. a Based on the weight of dry poplar wood chips
  2. # refers to the sample steam pretreated at 190 °C without the addition of H2SO4