Snail Shells Adsorbent for Copper Removal from Aqueous Solutions and the Production of Valuable Compounds

Figure 7

(a) Calcination of Cu(II) loaded SSP. (b) Thermogravimetric Analysis (TGA) and derivative thermogravimetry (DTG) profiles of SSP. (c) XRD patterns comparison for raw SSP, Cu(II) loaded SSP, and Cu(II) loaded SSP calcined at 700, 900, and 1000°C along with their data file reference (COD: Crystallography Open Database, ICDD: International Centre for Diffraction Data).

(a)

(b)

(c)