Table 3.

Related equations for the Exergo-environmental Analysis.

Description	Equation	Number of Eq.
The relationship between environmental impact and exergy of each stream (Carotenuto et al., 2017).	${\dot{B}}_i=b_i·{\dot{E}}_i$	(13)
The exergo-environmental balances for the equipment (Carotenuto et al., 2017).	$\sum {\dot{B}}_{in,k}-\sum {\dot{B}}_{out,k}+{\dot{Y}}_k=0$	(14)
The environmental impact of equipment (Carotenuto et al., 2017).	${\dot{Y}}_k=\frac{Y_k}{3600·t·n}$	(15)
The environmental impact of the fuel streams of equipment per exergy unit, pts/kJ (Cavalcanti, 2017).	$b_{F,k}=\frac{{\dot{B}}_{F,k}}{{\dot{E}}_{F,k}}$	(16)
The environmental impact of the product streams of equipment per exergy unit,pts/kJ (Cavalcanti, 2017).	$b_{P,k}=\frac{{\dot{B}}_{P,k}}{{\dot{E}}_{P,k}}$	(17)
The environmental impact rate of exergy destruction of equipment (Bassetti et al., 2018).	${\dot{B}}_{D,k}=b_{F,k}·{\dot{E}}_{D,k}$	(18)
The exergo-environmental factor (Bassetti et al., 2018).	$f{b}_K=\frac{{\dot{Y}}_k}{{\dot{Y}}_k+b_{f,k}·{\dot{E}}_{D,k}}$	(19)