Table 11. Life cycle impact assessment results of cellulose-based single-use masks (Based on 1 ton)
Impact category | Unit | Total | Production | Transport | Disposal |
Carcinogens | kg C2H3Cl eq | 1.93E+02 | 1.38E+02 | 1.88E+00 | 5.26E+01 |
Non-carcinogens | kg C2H3Cl eq | 5.92E+02 | 1.95E+02 | 4.25E+00 | 3.93E+02 |
Respiratory inorganics | kg PM2.5 eq | 7.34E+00 | 5.56E+00 | 2.05E-01 | 1.58E+00 |
Ionizing radiation | Bq C-14 eq | 4.29E+04 | 3.74E+04 | 1.64E+03 | 3.89E+03 |
Ozone layer depletion | kg CFC-11 eq | 3.92E-04 | 2.54E-04 | 4.07E-05 | 9.68E-05 |
Respiratory organics | kg C2H4 eq | 2.07E+00 | 1.54E+00 | 1.85E-01 | 3.48E-01 |
Aquatic ecotoxicity | kg TEGwater | 1.53E+06 | 1.30E+06 | 2.23E+04 | 2.11E+05 |
Terrestrial ecotoxicity | kg TEGsoil | 2.07E+05 | 1.74E+05 | 1.17E+04 | 2.08E+04 |
Terrestrial acid | kg SO2 eq | 1.34E+02 | 8.64E+01 | 3.87E+00 | 4.42E+01 |
Land occupation | m2org.arable | 6.52E+02 | 5.80E+02 | 5.79E+00 | 6.59E+01 |
Aquatic acidification | kg SO2 eq | 3.33E+01 | 2.48E+01 | 8.21E-01 | 7.75E+00 |
Aquatic eutrophication | kg PO4P-lim | 1.45E+00 | 9.73E-01 | 2.26E-02 | 4.55E-01 |
Global warming | kg CO2 eq | 6.06E+03 | 4.40E+03 | 2.46E+02 | 1.41E+03 |
Non-renewable energy | MJ primary | 1.04E+05 | 8.92E+04 | 3.80E+03 | 1.05E+04 |
Mineral extraction | MJ surplus | 2.63E+02 | 2.43E+02 | 3.29E+00 | 1.65E+01 |