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Table 3 Statistical analysis of the effects of pretreatment parameters on corn stover xylan recovery and delignification a

From: Understanding of alkaline pretreatment parameters for corn stover enzymatic saccharification

  Xylan recovery Lignin removal
R2 0.942 0.985
Prob. > F < 0.0001* < 0.0001*
Terms Estimate p value Estimate p value
NaOH loading −2.922 < 0.0001* 8.730 < 0.0001*
Temperature −0.002 < 0.0001* 0.003 < 0.0001*
Time −0.0003 0.015* 0.001 < 0.0001*
NaOH loading × temperature 0.028 0.027* 0.053 0.003*
NaOH loading × time 0.008 0.374 −0.014 0.272
Temperature × time −9.09 × e-6 0.258 −1.376 × e-5 0.208
NaOH loading × NaOH loading 31.764 0.0218* −137.865 < 0.0001*
Temperature × temperature −1.62 × e-6 0.865 −8.50 × e-5 < 0.0001*
Time × time 8.93 × e-6 0.133 −3.325 × e-5 < 0.0003*
  1. a Numbers with asterisk indicate that the term has a significant effect at 95 % confidence interval.