Table 11. Characterization results of the environmental impact of 1 MJ of heat before and after applying potential improvement

1 MJ Heat Unit Before After Reduction rate (%)
Acidification mol H+eq 1.04E-04 9.70E-05 6
Climate change kg CO2eq 3.33E-02 3.15E-02 5
Ecotoxicity, freshwater CTUe 9.95E-02 9.22E-02 7
Particulate matter Disease inc. 1.10E-09 1.07E-09 3
Human toxicity, cancer CTUh 2.04E-10 1.95E-10 4
Photochemical ozone formation kg NMVOCeq 1.20E-04 1.06E-04 12
Resource use, fossils MJ 7.93E-01 6.74E-01 15