Kinetic Study on the Cs_XH_3−X PW₁₂O₄₀/Fe-SiO₂ Nanocatalyst for Biodiesel Production

Table 1

Concentration of methyl ester (based on mole fraction) at temperatures of 60 (A), 55 (B), and 50°C (C), respectively.

Reaction time (s)		𝑋ME		−ln (1−𝑋ME)
	A	B	C	A	B	C
0	0.00	0.00	0.00	0.000000	0.000000	0.000000
30	0.32	0.24	0.14	0.385660	0.274437	0.150823
60	0.40	0.28	0.15	0.510826	0.328504	0.162519
90	0.42	0.34	0.24	0.590000	0.415515	0.274437
120	0.5819	0.43	0.30	0.872035	0.562119	0.356675
150	0.63	0.51	0.34	0.994252	0.713350	0.415515
180	0.70	0.57	0.38	1.203973	0.843970	0.478036
210	0.75	0.63	0.45	1.386294	0.994252	0.597837
240	0.81	0.65	0.50	1.660731	1.049822	0.693147

𝑋_ME: concentration of methyl ester.
−ln (1−𝑋_ME): triglyceride concentration.