Title: Research on Adsorption of Methylene Blue in Aqueous Solution by Crosslinked Chitosan-Natural Zeolite
Abstract: Crosslinked chitosan-natural zeolite composite was prepared and used for the adsorption of methylene blue in aqueous solution. Effects of adsorbent dosage and contact time on the adsorption of methylene blue from the aqueous solution were investigated.It was found that the equilibrium was reached at about 180 min and the removal percent of methylene blue attained to 99. 1% at initial methylene blue concentration of 50 mg / L and adsorbent dosage of 2. 0 g / L. Adsorption thermodynamics parameters showed that the adsorption process was spontaneous. Kinetic parameters indicated that the adsorption met with the pseudo-second-order equation. The equilibrium adsorption data fitted well with the Langmuir model via linear regression analysis.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: article
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