2016
DOI: 10.17512/ios.2016.1.7
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Effect of Chemical Modification of the Coal Fly Ash onto Adsorption of Lead(II) Ions in the Presence of Cadmium(II) Ions in a Single-and Bi-component System

Abstract: Wpływ modyfikacji chemicznej lotnego popiołu węglowego na adsorpcję jonów ołowiu(II) w obecności jonów kadmu(II) w układzie jedno-i dwuskładnikowym Celem badań było określenie wpływu modyfikacji chemicznej odpadowego lotnego popiołu węglowego (FA) za pomocą roztworów HNO3, CH3COONH4 (AcNH4), NaOH oraz dietyloditiokarbaminianu sodu (NaDDTC) na adsorpcję jonów ołowiu(II) w obecności jonów kadmu(II) w układzie jedno-i dwuskładnikowym. Analizowano modele izoterm adsorpcji w układzie jednoskładnikowym, m.in.: Freun… Show more

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Cited by 2 publications
(2 citation statements)
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“…The calculations made for model 3 show that the values of the k id coefficient range from 2.81 AKP-5/A, SO 2 + Ar) to 7.77 g•kg −1 •min −0.5 (UnCarb_LAsh, SO 2 + O 2 + H 2 O (g) + Ar), while parameter C varies from 1.76 (AKP-5/A, SO 2 + Ar) to 12.1 g•kg −1 (UnCarb_LAsh, SO 2 + O 2 + H 2 O (g) + Ar) (Table 2). In view of the information from [40], high C values and the low k id would indicate a role that the diffusion-controlled boundary layer could play. The reverse configuration of the discussed parameters would prove that the speed-limiting stage of the process was diffusion inside the pores of the solid phase surface.…”
Section: Linear Regressionmentioning
confidence: 99%
“…The calculations made for model 3 show that the values of the k id coefficient range from 2.81 AKP-5/A, SO 2 + Ar) to 7.77 g•kg −1 •min −0.5 (UnCarb_LAsh, SO 2 + O 2 + H 2 O (g) + Ar), while parameter C varies from 1.76 (AKP-5/A, SO 2 + Ar) to 12.1 g•kg −1 (UnCarb_LAsh, SO 2 + O 2 + H 2 O (g) + Ar) (Table 2). In view of the information from [40], high C values and the low k id would indicate a role that the diffusion-controlled boundary layer could play. The reverse configuration of the discussed parameters would prove that the speed-limiting stage of the process was diffusion inside the pores of the solid phase surface.…”
Section: Linear Regressionmentioning
confidence: 99%
“…The calculations made for model 3 show that the values of the kid coefficient range from 2.81 AKP-5/A, SO2+Ar) to 7.77 g•kg -1 •min -0.5 (UnCarb_LAsh, SO2+O2+H2O(g)+Ar), while parameter C varies from 1.76 (AKP-5/A, SO2+Ar) to 12.1 g•kg -1 (UnCarb_LAsh, SO2+O2+H2O(g)+Ar). In view of the information from [40], high C values and the low kid would indicate a role that the diffusion-controlled boundary layer could play. The reverse configuration of the discussed parameters would prove that the speed-limiting stage of the process was diffusion inside the pores of the solid phase surface.…”
Section: Linear Regressionmentioning
confidence: 99%