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Conference Paper: Ordered mesoporous carbon as an efficient and reversible adsorbent for the adsorption of fullerenes
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TitleOrdered mesoporous carbon as an efficient and reversible adsorbent for the adsorption of fullerenes
 
AuthorsWang, H1
Lam, FLY1
Hu, X1
Ng, KM1
 
KeywordsAdsorption
Desorption
Fullerenes C 60 And C 70
Mesoporous Carbon
 
Issue Date2008
 
CitationAiche Annual Meeting, Conference Proceedings, 2008 [How to Cite?]
 
AbstractAn ordered mesoporous carbon, CMK-3, was synthesized using mesoporous siliceous material, SBA-15, as the template. The CMK-3 was characterized and used for the adsorption of fullerenes, C 60 and C 70. It was found that the adsorption capacity of CMK-3 is four times higher than that of activated carbon (AC), while the other two adsorbents being investigated, alumina and silica gel, have little adsorption capacity for fullerenes. A detailed study was undertaken to determine the adsorption equilibrium isotherms of C 60 and C 70 on CMK-3 for both single and binary systems. The reversibility of fullerene adsorption on CMK-3 was also studied. It was found that nearly 24 % adsorbed C 60 and 8 % adsorbed C 70 can be desorbed from CMK-3 within 10 minutes at 25 □ when a volume of 200 ml pure toluene is used to desorb 25 mg of pre-saturated adsorbent in a batch desorption process. The effects of time, volume of toluene, and temperature on the desorption of fullerenes from CMK-3 were examined. It was shown that the volume of toluene and the temperature are two important factors for fullerenes, especially for C 70, to be desorbed from CMK-3. Increasing the volume and the temperature will help C 70 to be desorbed from CMK-3. The above results indicate that CMK-3 is an efficient and reversible adsorbent for the separation of fullerenes by adsorption.
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorWang, H
 
dc.contributor.authorLam, FLY
 
dc.contributor.authorHu, X
 
dc.contributor.authorNg, KM
 
dc.date.accessioned2012-10-08T03:35:14Z
 
dc.date.available2012-10-08T03:35:14Z
 
dc.date.issued2008
 
dc.description.abstractAn ordered mesoporous carbon, CMK-3, was synthesized using mesoporous siliceous material, SBA-15, as the template. The CMK-3 was characterized and used for the adsorption of fullerenes, C 60 and C 70. It was found that the adsorption capacity of CMK-3 is four times higher than that of activated carbon (AC), while the other two adsorbents being investigated, alumina and silica gel, have little adsorption capacity for fullerenes. A detailed study was undertaken to determine the adsorption equilibrium isotherms of C 60 and C 70 on CMK-3 for both single and binary systems. The reversibility of fullerene adsorption on CMK-3 was also studied. It was found that nearly 24 % adsorbed C 60 and 8 % adsorbed C 70 can be desorbed from CMK-3 within 10 minutes at 25 □ when a volume of 200 ml pure toluene is used to desorb 25 mg of pre-saturated adsorbent in a batch desorption process. The effects of time, volume of toluene, and temperature on the desorption of fullerenes from CMK-3 were examined. It was shown that the volume of toluene and the temperature are two important factors for fullerenes, especially for C 70, to be desorbed from CMK-3. Increasing the volume and the temperature will help C 70 to be desorbed from CMK-3. The above results indicate that CMK-3 is an efficient and reversible adsorbent for the separation of fullerenes by adsorption.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationAiche Annual Meeting, Conference Proceedings, 2008 [How to Cite?]
 
dc.identifier.scopuseid_2-s2.0-79952304612
 
dc.identifier.urihttp://hdl.handle.net/10722/168868
 
dc.languageeng
 
dc.relation.ispartofAIChE Annual Meeting, Conference Proceedings
 
dc.relation.referencesReferences in Scopus
 
dc.subjectAdsorption
 
dc.subjectDesorption
 
dc.subjectFullerenes C 60 And C 70
 
dc.subjectMesoporous Carbon
 
dc.titleOrdered mesoporous carbon as an efficient and reversible adsorbent for the adsorption of fullerenes
 
dc.typeConference_Paper
 
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<contributor.author>Lam, FLY</contributor.author>
<contributor.author>Hu, X</contributor.author>
<contributor.author>Ng, KM</contributor.author>
<date.accessioned>2012-10-08T03:35:14Z</date.accessioned>
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<description.abstract>An ordered mesoporous carbon, CMK-3, was synthesized using mesoporous siliceous material, SBA-15, as the template. The CMK-3 was characterized and used for the adsorption of fullerenes, C 60 and C 70. It was found that the adsorption capacity of CMK-3 is four times higher than that of activated carbon (AC), while the other two adsorbents being investigated, alumina and silica gel, have little adsorption capacity for fullerenes. A detailed study was undertaken to determine the adsorption equilibrium isotherms of C 60 and C 70 on CMK-3 for both single and binary systems. The reversibility of fullerene adsorption on CMK-3 was also studied. It was found that nearly 24 % adsorbed C 60 and 8 % adsorbed C 70 can be desorbed from CMK-3 within 10 minutes at 25 &#9633; when a volume of 200 ml pure toluene is used to desorb 25 mg of pre-saturated adsorbent in a batch desorption process. The effects of time, volume of toluene, and temperature on the desorption of fullerenes from CMK-3 were examined. It was shown that the volume of toluene and the temperature are two important factors for fullerenes, especially for C 70, to be desorbed from CMK-3. Increasing the volume and the temperature will help C 70 to be desorbed from CMK-3. The above results indicate that CMK-3 is an efficient and reversible adsorbent for the separation of fullerenes by adsorption.</description.abstract>
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Author Affiliations
  1. Hong Kong University of Science and Technology