Paper Title:
An Investigation on the Preparation of Active Carbon-Ceramic Sphere
  Abstract

A procedure for the preparation of active carbon-ceramic sphere was developed. Active carbon-ceramic sphere were prepared by coating a porous ceramic sphere with a phenolic resol resin (carbon precursor). The following procedure was adopted: (a) impregnation of the ceramic substrate with phenolic resol resin; (b) curing; (c) carbonization; (d) activation with KOH etching; (d) washing and drying. Under the optimal impregnation conditions, the material obtained (PRR 70 %) at 30°C, which exhibited a high carbon percentage (~ 5.3 wt.%) with a total pore volume of 0.276 cm3g-1 and a specific surface area of 471 m2g-1 (carbon in the carbon-ceramic sphere) by N2 adsorption, respectively. By means of chemical activation (KC-120), the total pore volume increased to 0.69 cm3g-1 and the specific surface area to 1110 m2g-1 (carbon percentage: 4.73 wt. %), respectively. The activated material shows a uniform carbon distribution, good adsorption properties and a high mechanical strength (24MPa).

  Info
Periodical
Advanced Materials Research (Volumes 341-342)
Edited by
Liu Guiping
Pages
98-102
DOI
10.4028/www.scientific.net/AMR.341-342.98
Citation
W. M. Liu, L. Wang, S. Z. Li, Y. J. Chen, X. H. Wu, "An Investigation on the Preparation of Active Carbon-Ceramic Sphere", Advanced Materials Research, Vols. 341-342, pp. 98-102, 2012
Online since
September 2011
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$32.00
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