Sorption and desorption of barium on kaolinite, montmirillonite and chlorite

Eylem, Cahit


Sorption of barium on kaolinite, montmorillonite and chlorite
Eylem, Cahit; Erten, Hasan N.; Göktürk, Hale (Royal Society of Chemistry (RSC), 1989)
The sorption characteristics of the Ba2+ ion on kaolinite, montmorillonite and chlorite type clays were studied using the batch method. Barium-133 was used as a tracer. The Ba2+ ion concentrations ranged from 10–8 to 10–5 mol l–1; synthetic groundwater was used and the grain size of all the solid particles was <40 µm. About 6, 8 and 12 d of shaking were necessary to reach equilibrium for chlorite, kaolinite and montmorillonite, respectively. The sorption isotherms were described best by Freundlich and Dubin...
Sorption of radioactive cesium and barium ions onto solid humic acid
Celebi, O.; Kilikli, A.; ERTEN, HASAN NİYAZİ (Elsevier BV, 2009-09-15)
In this study, the sorption behavior of two important fission product radionuclides ((137)Cs and (140)Ba) onto sodium form of insolubilized humic acid (INaA) were investigated as a function of time, cation concentration and temperature, utilizing the radiotracer method. The sorption processes are well described by both Freundlich and Dubinin-Radushkevich type isotherms. Thermodynamic constants such as: free energy (Delta G(ads)), enthalpy (Delta H(ads)), entropy (Delta S(ads)) of adsorption were determined....
Sorption of cadmium and lead on activated carbons produced from resins and agricultural wastes
Akgün, Aydın Mert; Yücel, Hayrettin; Department of Chemical Engineering (2005)
In this work, adsorption of cadmium and lead from waste solutions by activated carbon was investigated. The activated carbons were produced from ion exchange resins and agricultural wastes in previous thesis studies under different conditions. BET surface areas of the activated carbons were given in previous studies. They were further characterized in this study. Slurry pH was measured by change in pH of water in which activated carbon was added. Methylene blue numbers were determined by adsorption of methy...
Sorption properties of synthetic ferrierite
Karsli, H; Çulfaz, Ali; Yucel, H (2003-05-01)
Limiting sorption volumes of the hydrogen form of a synthetic ferrierite sample were determined for sorbates-water, methanol, propane, hexane, and o-, m-, p-xylenes-at 298 K and at a relative pressure of P/P-o= 0.5 using a gravimetric sorption apparatus. Methanol, which has a kinetic diameter significantly smaller than the pore dimensions, was sorbed relatively rapidly and by the greatest amount. The sorption rates of other sorbates were very slow and for some it took several days for equilibrium to be esta...
Citation Formats
C. Eylem, “Sorption and desorption of barium on kaolinite, montmirillonite and chlorite,” Middle East Technical University, 1988.