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International Journal of Chemical Engineering
/
2021
/
Article
/
Tab 4
/
Research Article
Assessment of Untreated Coffee Wastes for the Removal of Chromium (VI) from Aqueous Medium
Table 4
Thermodynamic parameters for the adsorption of Cr(VI) on SCGs.
Temperature (K)
ΔH° (kJ.mol
−1
)
ΔS° (J.mol
−1
.K
−1
)
ΔG° (kJ.mol
−1
)
R
2
298
−10.15
−24.64
−2.812
0.986
303
−2.689
313
−2.442
323
−2.196