|
| Table 4. Optimum levels of the acid pretreatment factors for all the response variables. |
Response variables for the hydrolysis process |
Optimization criteria |
Appropriated level |
||
Acid concentration |
Solid:liquid ratio |
Time of exposure |
||
Xylose concentration |
Maximize |
|
|
● |
Hydrolysis yield |
Maximize |
|
|
● |
Acetic acid concentration |
Minimize |
|
|
|
Furfural concentration |
Minimize |
|
|
|
Hydroxymethylfurfural concentration |
Minimize |
|
|
|
Phenolic compounds concentration |
Minimize |
● |
|
● |
|
|
|
