Research Article

Optimization of Concentrated Sulphuric Acid Hydrolysis of Gadam Sorghum Stalks Found in Kenya for Fermentable Sugar Production

Table 2

Experimental design matrix for the hydrolysis process: actual and coded levels of factors.

StdRun (temperature, °C) (time, min) (acid concentration, %, )

8126.4 (-1.682)60 (0)50 (0)
7260 (0)60 (0)16.36 (-1.682)
20380 (1)30 (-1)70 (1)
10460 (0)60 (0)50 (0)
6580 (1)90 (1)70 (1)
17660 (0)9.5 (-1.682)50 (0)
11780 (1)30 (-1)30 (-1)
2840 (-1)30 (-1)30 (-1)
15960 (0)60 (0)50 (0)
161040 (-1)90 (1)30 (-1)
141160 (0)60 (0)50 (0)
191240 (-1)30 (-1)70 (1)
181360 (0)60 (0)83.64 (1.682)
11460 (0)60 (0)50 (0)
121593.6 (1.682)60 (0)50 (0)
91680 (1)90 (1)30 (-1)
41760 (0)60 (0)50 (0)
31860 (0)110.5 (1.682)50 (0)
131940 (-1)90 (1)70 (1)
52060 (0)60 (0)50 (0)