Adsorptive and structural characteristics of carbon sorbents

This paper describes the adsorptive, structural, and textural characteristics of carbon sorbents of various origins: OU-A activated charcoal powder (unmodified and modified with a cellulose polyelectrolyte), AUT-MI fibrous activated carbon, and expanded graphite intercalated with sulfuric acid. In a...

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Published inInorganic materials Vol. 47; no. 10; pp. 1061 - 1065
Main Authors Ivanets, M. G., Savitskaya, T. A., Nevar, T. N., Grinshpan, D. D.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.10.2011
Subjects
Activated carbon
Adsorption
Adsorptivity
Carbon
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Methylene blue
Sorbents
Specific surface
Surface chemistry
Nitrogen Adsorption Isotherm
Expand Graphite
Methylene Blue
Powder Activate Carbon
Activate Carbon
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Summary:This paper describes the adsorptive, structural, and textural characteristics of carbon sorbents of various origins: OU-A activated charcoal powder (unmodified and modified with a cellulose polyelectrolyte), AUT-MI fibrous activated carbon, and expanded graphite intercalated with sulfuric acid. In accordance with their pore structure parameters and specific surface area, the highest adsorption capacity for water-soluble markers (iodine and methylene blue) and anionic surfactants is offered by the activated charcoal and fibrous carbon. Surface modification with an anionic polymer increases the adsorption of positively charged methylene blue molecules.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168511100098