Life Cycle Assessment of Environmental Impact of Steelmaking Process

Table 5

Uncertainty analysis.

Categories	Clean production ≥ normal production (%)
Aquatic acidification	20
Aquatic ecotoxicity	2
Aquatic eutrophication	2
Carcinogens	65
Global warming	43
Ionizing radiation	29
Land occupation	13
Mineral extraction	53
Noncarcinogens	54
Nonrenewable energy	3
Ozone layer depletion	44
Respiratory inorganics	12
Respiratory organics	9
Terrestrial acid/nutrition	15
Terrestrial ecotoxicity	98