Paper Title:
Adosorption of Basic Fuchsin onto Xanthoceras Sorbifolia Bunge Crust Activated Carbon Developed by Sodium Hydroxide
  Abstract

Xanthoceras Sorbifolia Bunge crust was used as source material to make carbon by chemically impregnated by sodium hydroxide、carbonized at 220°C and activated under the protection of the nitrogen. Experiments were carried out as function of contact time, pH (4-10) and temperature (293,303 and 313K). Adsorption isotherms were modeled with the Langmuir and Freundlich isotherms. Adsorption isotherms of Basic Fuchsin on Xanthoceras Sorbifolia Bunge crust activated carbon are consistent with Langmuir equation. The Langmuir monolayer saturation capacities of BF adsorbed onto activated carbon were 286.545, 303.617 and 323.816 mg/g at 293,303, and 313 K, respectively.and adsorption kinetics were found to conform to the pseudo-second-order kinetics with good correlation.Using the equilibrium concentration contents obtained at different temperatures, various thermodynamic parameters,such as △G,△H and △S, have been calculated. The thermodynamics parameters of system indicated spontaneous and endothermic process.

  Info
Periodical
Advanced Materials Research (Volumes 156-157)
Edited by
Jingtao Han, Zhengyi Jiang and Sihai Jiao
Pages
272-278
DOI
10.4028/www.scientific.net/AMR.156-157.272
Citation
Y. N. Hao, X. M. Wang, "Adosorption of Basic Fuchsin onto Xanthoceras Sorbifolia Bunge Crust Activated Carbon Developed by Sodium Hydroxide", Advanced Materials Research, Vols. 156-157, pp. 272-278, 2011
Online since
October 2010
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