Journal of Nanomaterials / 2020 / Article / Tab 2

Research Article

Dual-Electronic Nanomaterial (Synthetic Clay) for Effective Removal of Toxic Cationic and Oxyanionic Metal Ions from Water

Table 2

The corresponding parameters of the Langmuir and Freundlich models.

UnitCationic metalsAnionic metals
Cu2+Cd2+Ni2+Pb2+Cr3+Cr2O72–MnO4

(1) Langmuir model
mmol/g0.6010.8801.2990.6570.7010.5890.522
L/mmol0.4930.7421.6301.5461.0721.2820.602
Adj-0.9850.9880.9910.9860.9820.9850.994
(×1000)0.4280.7661.7600.4100.7610.5080.143
SD0.0230.0300.0450.0210.0300.0250.013
MPSD4.413.864.682.854.143.842.31
BIC–51.4–61.2–47.7–82.1–61.3–50.3–76.3
(2) Freundlich model
0.2050.3840.7240.4140.3710.3510.209
0.4460.3470.2700.2030.2710.2150.366
Adj-0.9530.9830.9610.9370.9490.9500.959
(×1000)1.3901.1207.7300.4772.2201.7400.882
SD0.0410.0360.0950.0220.0500.0460.032
MPSD5.264.148.093.176.295.163.94
BIC–43.3–57.8–35.8–81.5–51.6–41.7–60.0

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