Modeling and Assessment of a Biomass Gasification Integrated System for Multigeneration Purpose

Table 6

Optimization results of multigeneration system.

	(K)	(—)	(kPa)	(—)	MC; (—)	(K)	(K)	Exergy eff. (%)	Total cost rate ($/h)
	Exergy efficiency as objective function
Design	1100	9	1000	0.8	0.6	1400	400	19.6	158.2
Optimum	1050	8.99	1125	0.54	0.1	1362	412	21.89	154.4
Variation	−4.55	−0.11	12.5	−32.5	−83.3	−2.71	3	11.68	−2.4
	Total cost rate as objective function
Optimum	1100	9	1125	0.44	0.3	1325	430	15.3	145.1
Variation	0	0	12.5	−45	−50	−5.4	7.5	−21.9	−8.3