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Table 1 Pretreatment conditions of sugar-beet pulp

From: Aiming for the complete utilization of sugar-beet pulp: Examination of the effects of mild acid and hydrothermal pretreatment followed by enzymatic digestion

Sample Temp, °C H2SO4a pHb R″0c log R″0d
0-0 0 0 5.3 -1.77 -6.97
120-0 120 0 4.8 1.76 -3.04
140-0 140 0 4.4 2.35 -2.05
170-0 170 0 4.1 3.24 -0.86
120-1 120 1* 3.9 2.11 -2.14
140-1 140 1* 3.9 2.70 -1.65
170-1 170 1* 3.8 3.62 -0.53
  1. aSulfuric acid concentration given in% w/w of the dry-matter content,
  2. bpH values of the solutions after pretreatment,
  3. cCombined severity factor according to Overend et al. [47].
  4. d Decade logarithm of the combined severity factor; 1% w/w of the dry-matter content corresponds to a sulfuric acid concentration of 0.05 w/v%.