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Comparison between activated carbon, carbon xerogel and carbon nanotubes for the adsorption of the antibiotic ciprofloxacin

Paper ID Volume ID Publish Year Pages File Format Full-Text
55478 47055 2012 6 PDF Available
Title
Comparison between activated carbon, carbon xerogel and carbon nanotubes for the adsorption of the antibiotic ciprofloxacin
Abstract

A comparison was made for the adsorption capacity of ciprofloxacin (CPX) on three types of carbon-based materials: activated carbon, carbon nanotubes and carbon xerogel. The obtained samples were characterised by adsorption of N2 at −196 °C, determination of the point of zero charge and by temperature programmed desorption. The Langmuir and Freundlich models were used to describe the equilibrium isotherms obtained. Adsorption capacities ranging from approximately 112 to 231 mgCPX gC−1 were obtained (for carbon xerogel and activated carbon, respectively). The influence of the textural and surface properties of the carbon materials on the CPX adsorption was discussed and it was shown that the carbon nanotubes sample presents the best performance per unit surface area.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (127 K)Download as PowerPoint slideHighlights► The adsorption capacity of ciprofloxacin was tested on carbon-based materials. ► Activated carbon, carbon xerogels and carbon nanotubes were compared. ► High adsorption capacities ranging from 112 to 231 mgCPX gC−1 were obtained. ► Activated carbon showed the best result due to the higher surface area. ► Carbon nanotubes were better per unit of surface area due to their higher basicity.

Keywords
Activated carbon; Carbon xerogel; Carbon nanotubes; Ciprofloxacin; Adsorption
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Comparison between activated carbon, carbon xerogel and carbon nanotubes for the adsorption of the antibiotic ciprofloxacin
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 186, Issue 1, 1 June 2012, Pages 29–34
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us