Table 6: Model summary for responses.

Response	Standard Deviation	Mean	C.V.%	PRESS	Adeq-precision
Cellulose recovery (%)	4.58	82.39	5.56	1460.56	12.91
Hemicellulose recovery (%)	2.37	16.91	14.03	300.85	11.59
Lignin recovery (%)	2.86	52.86	5.41	497.61	9.67