Table 2.

The exergy flow of the proposed integrated and optimal PPE processing system and the exergy efficiency is 80%.

Exergy Input		Exergy Output
Input	Exergy Flows (J/s)	Output	Exergy Flows (J/s)
N2	1,548	C2H4	57,319
O2	1,925	C3H6	39,891
PPE	503,390	C3H8	10,065
H2O	1,423	C4H10	13,383
LP Steam	842,702	Light Naphtha	12,401
MP Steam	732,229	Aromatic Mix	34,466
HP Steam	641,043	Gasoline	4,044
Cooling Water	740,546	Diesel	37,195
Electricity	66,086	Sulfur	18
		Bauxite	89,757
		Offgas	2,542,131