Table 1.

Key features of reported simulation studies in biodiesel production

Feed definition (model compound)	Production process	Thermo-physical properties estimation and thermodynamic model	Reactor module	Plant capacity (tons/year)	Operation mode	Simulation tool	Refs.
Triolein	Homogenous and heterogeneous alkali-catalysed	–	Batch	7260	Batch	SuperPro Designer	[29]
Pure triolien + oleic acid	Alkali and acid-catalysed processes	NRTL and UNIQUAC-LLE	Yield	8000	Continuous	Aspen HYSYS	[31]
Pure triolien + oleic acid	Alkali, acid, heterogeneous acid-catalysed and supercritical processes	NRTL, UNIFAC-LLE and UNIFAC-VLE	Yield	8000	Continuous	Aspen HYSYS	[22]
Triolein and trilinolein	Supercritical process	NRTL and UNIFAC with Redlich–Kwong equation of state	Yield	8000	Continuous	Aspen PLUS	[43]
Triolein, tripalmitin and trilinolein	Supercritical with power cogeneration process	UNIFAC and Soave–Redlich–Kwong equations of state	–	2780 and 16,550	Continuous	CHEMCAD	[44]
Triolein	Enzyme-catalyed process	NRTL and UNIFAC-DMD	Stoichiometric	8000 and 200,000	Continuous	Aspen PLUS	[23]
Triolein, monoolein, stearic acid, palmitic acid, oleic acid	Enzyme-catalysed process	NRTL and UNIFAC	Stoichiometric	6482	Continuous	Aspen PLUS	[19]
Tripalmitin, tristearin, triolein, trilinolein and trilinolenin; palmitic, stearic, oleic, linoleic and linolenic acid	Alkali-catalysed process	NRTL	Conversion	64,000	Continuous	Aspen HYSYS	[20]
Triolein, diolein, monoolein	Enzymatic process	NRTL and UNIFAC-DMD	Kinetic (CSTR)	11,200	Continues	Aspen HYSYS	[45]