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Kinetics and Thermodynamics of Cd(II) Ions Sorption on Mixed Sorbents Prepared from Olive Stone and Date Pit from Aqueous Solution

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Academic year: 2017

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Table 1:  Different percentage of olive stone and date pits in mixture  Sample  Percent of olive   Percent of  date  number  stones  in mixture   pits  in mixture
Fig. 1:  IR spectroscopy  for olive stone, date pits and  mixed sorbent (mixture of olive  stone and date  pit); (1): 100% OS, 0% DP; (2): 90% OS, 10% DP; (3): 90%DP, 10% OS; (4): 100% DP, 0%
Table 2:  Pseudo-second  order  kinetics  model  parameters  for  cadmium sorption onto the mixture of olive stone waste and  date pit waste
Table 4:  Value  of  the  thermodynamic  of  adsorption  at  various  temperatures  and  at  different  composition  of  mixture  (C 0 (Cd +2 ) =17 mgL −1 ; pHi = 5.5)

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