Methyl Esters Selectivity of Transesterification Reaction with Homogenous Alkaline Catalyst to Produce Biodiesel in Batch, Plug Flow, and Continuous Stirred Tank Reactors

Table 1

Reaction rate constants data for transesterification reaction in biodiesel production.

Sr. number	1	2	3	4	5	6	7	8	9	10
(L/mol·s)	0.0500	0.0920	0.1650	0.0060	0.0063	0.0021	0.0031	0.1672	0.2251	0.634
(L/mol·s)	0.1100	0.1750	0.2710	0.0016	0.0007	0.0035	0.0000	0.9373	0.4711	0
(L/mol/s)	0.2150	0.5440	1.3050	0.0442	0.0092	0.0072	0.0123	0.3553	0.1317	7.1040
(L/mol/s)	1.2280	2.4350	4.6410	0.0127	0.0023	0.0102	0.1224	0.2674	0.3917	4.9120
(L/mol/s)	0.2420	0.3270	0.4340	0.0050	0.0070	0.0231	0.0092	1.9608	0.1190	7.8600
(L/mol/s)	0.0070	0.0110	0.0170	0.0003	0.0027	0.0035	0.0000	0.0077	0.0181	0.1210
Temperature (°C)	50	60	70	65	65	30	30	60	60	60
Molar ratio	6 : 1	6 : 1	6 : 1	9 : 1	3 : 1	9 : 1	9 : 1	6 : 1	6 : 1	6 : 1
Catalyst concentration (wt.%)	0.2	0.2	0.2	1.5	1.5	1.5	0.5	1.0	1.0	1.0
Oil feed stock	Soybean	Soybean	Soybean	Castor	Castor	Castor	Castor	Rapeseed	Waste; Sunflower	Palm
Reference	[5]	[5]	[5]	[28]	[28]	[28]	[28]	[27]	[27]	[3]