Performance Evaluation of an Ironmaking System with Environmental Costs

Table 5

Exergoeconomic cost with CO₂ of the ironmaking system.

Fuel (CNY/t molten iron)			Product
Item	Cost	%	Item	Cost	%
Pellets	306.95	16.05	Molten iron	1674.134	87.52
Sinter	806.5	42.16	BF gas	24.84	1.3
Coke	536.96	28.08	Slag	209.33	10.94
Lump ore	14.46	0.75	Scrap iron	3.6	0.19
Oxygen	11.28	0.59	Residual heat water	0.25	0.01
Pulverized coal	128.184	6.7	TRT electricity	0.8	0.04
BF gas	13.84	0.73	Total	1912.954	100
Coke oven gas	4.18	0.21
Low-pressure steam	2.31	0.12
Nitrogen	6.77	0.35
Electricity	17.9	2.4
Industrial water	35.62	1.86
Total	1912.954	100