Electrosorption of thiocyanate anions on active carbon felt electrode in dilute solution.
Adsorption and electrosorption of thiocyanate (SCN-) anions on active carbon felt electrodes were measured by UV spectroscopy and cyclic voltammetry to provide more knowledge of the application of electrosorption on high-area carbon material in industrial waste water purification. Positive polarization caused increased adsorption of SCN-. SCN- showed the highest electrosorption capacity at about pH 3. Reversible electrosorption of SCN- to different extents was observed by changing the direction of polarization currents, which is possibly accompanied by the accessible surface area of C-felt being increased by positive polarization and electrochemical oxidation of SCN-. The enhanced capacity for adsorption by positive polarization will improve reuse of active carbon felt.[1]References
- Electrosorption of thiocyanate anions on active carbon felt electrode in dilute solution. Rong, C., Xien, H. Journal of colloid and interface science. (2005) [Pubmed]
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