Optimization of Conversion of High Free Fatty Acid Jatropha curcas Oil to Biodiesel Using Response Surface Methodology
Figure 3
(a) Response surface of JCB: effect of catalyst concentration and temperature. (b) Response surface of JCB: effect of catalyst concentration and time. (c) Response surface of JCB: effect of catalyst concentration and methanol/oil ratio. (d) Response surface of JCB: Effect of temperature and time. (e) Response surface of JCB: effect of temperature and methanol/oil ratio. (f) Response surface of JCB: effect of time and methanol/oil ratio.