Fig. 7: Comparison of environment impact parameters of the COS-Dyes-Al, MFAA-8, and DCST-EGDE.

a Primary energy demand, b Abiotic deletion potential, c Water use, d Global warming potential, e Acidification potential, f Eutrophication freshwater, g Ecotoxicity freshwater, h Human toxicity cancer effect, i Human toxicity non cancer effect.