✦ LIBER ✦

Adsorption of Norfloxacin from Aqueous Solution onto Modified Coal Fly Ash

✍ Scribed by C. L. Zhang; B. Y. Li; Y. Wang

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 120 KB
Volume: 33
Category: Article
ISSN: 0930-7516
DOI: 10.1002/ceat.200900241

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Batch adsorption experiments were carried out for the removal of norfloxacin from aqueous solution using modified coal fly ash as adsorbent. The effects of various parameters such as contact time, initial solution concentration and temperature on the adsorption system were investigated. The optimum contact time was found to be 100 min. The equilibrium experimental data can be well fitted by the Freundlich model. Thermodynamic parameters such as Δ__G__, Δ__H__ and Δ__S__ were also calculated. The negative Gibbs free energy change and enthalpy change indicated the spontaneous and exothermic nature of the adsorption, and the negative entropy change indicated that the adsorption process was aided by decreased randomness.

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