Table 8: Variation of time and natural log of reaction rate for 1 w/w% NaOH pretreatment of Napier grass.

Time, mins ln(ΔC/Δt)
mg/mLmin
at 80°C
ln(ΔC/Δt)
mg/mLmin
at 90°C
ln(ΔC/Δt)
mg/mLmin
at 100°C
ln(ΔC/Δt)
mg/mLmin
at 110°C
lnΔC/Δt)
mg/mLmin
at 120°C
0 - - - - -
10 -5.27851 -4.17339 -4.06868 -4.44817 -3.142
20 -4.97623 -4.05129 -3.85848 -3.83044 -3.05336
30 -4.74443 -3.94248 -3.68489 -3.45144 -2.97202
40 -4.55638 -3.84436 -3.53702 -3.17725 -2.89679
50 -4.39816 -3.75502 -3.40822 -2.9623 -2.82683
60 -4.26158 -3.67301 -3.29414 -2.78547 -2.76145
70 -4.14144 -3.59721 -3.19175 -2.63526 -2.70008
80 -4.03419 -3.52676 -3.09887 -2.5047 -2.64226
90 -3.93734 -3.46095 -3.0139 -2.38923 -2.5876
100 -3.84905 -3.79602 -2.93558 -2.28573 -2.53578