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|Title:||Removal of nicotine and its pharmaceutical derivatives from aqueous solution by raw bentonite and dodecylammonium-bentonite|
|Abstract:||Dodecylammonium bentonite (DAB) and bentonite (B) were used as sorbents for nicotine (N), nicotinic acid (NA), isonicotinic acid (INA), nicotinic acid hydrazide (NH), and iso-nicotinic acid hydrazide (INH). The obtained data were modeled according to Freundlich and Dubinin-Radushkevich adsorption isotherms. Sorption energy (E) and adsorption capacity (qm) for N and its derivatives adsorbing on DAB and raw B were estimated using Dubinin-Radushkevich (D-R) equation. Sorption energy of N and its pharmaceutical derivatives on DAB and raw B increased in order of NA<INA<N=INH<NH and INH<NH<N<NA<INA, respectively.|
|Appears in Collections:|| JSIR Vol.67(06) [June 2008]|
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