fig8
From: A theoretical investigation on sulfidated nanoscale zero valent iron for removal of cis-DCE and PCE
Figure 8. The energy differences (ΔE) between water and contaminant adsorption by using the water adsorption energy as the reference of 0 eV. The positive energy difference indicates a higher selectivity towards the contaminant adsorption (blue: cis-DCE; orange: PCE).
