Table 2. Adsorption Energy of DTPMPA (DM) in Different Adsorption Models on the Calcite Surface.
| minerals | adsorption models | adsorption energy/(kJ/mol) |
|---|---|---|
| calcite | monooxygen and monocalcium | –95.50 |
| double oxygen and single calcium | –138.80 | |
| double oxygen and double calcium | –192.39 | |
| fluorite | double oxygen and double calcium | –138.13 |