The Scientific World Journal / 2012 / Article / Tab 5

Research Article

Design and Control of Glycerol-tert-Butyl Alcohol Etherification Process

Table 5

Economic evaluation.

ReactorColumn C1Column C2Column C3Column EXColumn C4

Diameter (m)0.35Reflux ratio0.321.8341.52
Diameter (m)0.850.550.70.50.55
No of trays61541307
Height (m)2Reboiler duty (kW)343170716.2525563.3
Condenser duty (kW)348.7168.6654170324.4
Cost ($)9296Cost ($)297 966221 775589 424759 704338 157

Energy Cost = 291 663$/year
Equipment Cost = 2 440 746$
TAC = 535 738$/year (10 years payback)