From: The impacts of deacetylation prior to dilute acid pretreatment on the bioethanol process
a | Kramer 34M95 | Pretreatment residence times (min) | Free acetate/xylose monomer (mol/mol) | Free acetate/total solubilized xylose monomer (mol/mol)* | Bound acetate/xylose oligomer | Total acetate/total solubilized xylan** (mol/mol) |
---|---|---|---|---|---|---|
 | Control | 5 | 0.20 | 0.20 | 0.46 | 0.36 |
 |  | 10 | 0.21 | 0.21 | 0.57 | 0.36 |
 |  | 20 | 0.27 | 0.26 | 0.72 | 0.38 |
 | Deacetylated | 5 | 0.04 | 0.04 | 0.27 | 0.10 |
 |  | 10 | 0.07 | 0.07 | 0.33 | 0.11 |
 |  | 20 | 0.10 | 0.09 | 0.34 | 0.12 |
b | Kramer 33B51 | Pretreatment residence times (min) | Free acetate/xylose monomer (mol/mol) | Free acetate/total solubilized xylose monomer (mol/mol)* | Bound acetate/xylose oligomer | Total acetate/total solubilized xylan** (mol/mol) |
 | Control | 5 | 0.17 | 0.17 | 0.45 | 0.34 |
 |  | 10 | 0.19 | 0.19 | 0.55 | 0.35 |
 |  | 20 | 0.25 | 0.25 | 0.69 | 0.39 |
 | Deacetylated | 5 | 0.05 | 0.04 | 0.30 | 0.11 |
 |  | 10 | 0.08 | 0.07 | 0.34 | 0.11 |
 |  | 20 | 0.11 | 0.10 | 0.40 | 0.14 |