N-butyl mercaptan adsorption on activated carbon in aqueous phase

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dc.contributor.author Matsis, VM en
dc.contributor.author Grigoropoulou, HP en
dc.date.accessioned 2014-03-01T02:02:59Z
dc.date.available 2014-03-01T02:02:59Z
dc.date.issued 2011 en
dc.identifier.issn 01496395 en
dc.identifier.uri http://hdl.handle.net/123456789/29336
dc.subject Activated carbon en
dc.subject Adsorption en
dc.subject Aqueous phase en
dc.subject N-butyl mercaptan en
dc.subject.other Acid base en
dc.subject.other Aqueous phase en
dc.subject.other Carbon surface en
dc.subject.other Energy value en
dc.subject.other Langmuir isotherm en
dc.subject.other Langmuirs en
dc.subject.other Meso-pores en
dc.subject.other Micropores en
dc.subject.other N-butyl mercaptan en
dc.subject.other Oxidation-reduction reaction en
dc.subject.other Van der waals en
dc.subject.other Activated carbon en
dc.subject.other Adsorption en
dc.subject.other Dissolved oxygen en
dc.subject.other Hydrogen bonds en
dc.subject.other Isotherms en
dc.subject.other Microporosity en
dc.subject.other Sulfur en
dc.subject.other Surface reactions en
dc.subject.other Van der Waals forces en
dc.subject.other Gas adsorption en
dc.title N-butyl mercaptan adsorption on activated carbon in aqueous phase en
heal.type journalArticle en
heal.identifier.primary 10.1080/01496395.2011.591647 en
heal.identifier.secondary http://dx.doi.org/10.1080/01496395.2011.591647 en
heal.publicationDate 2011 en
heal.abstract Adsorption of aqueous n-butyl mercaptan on Granular/Powder Activated Carbon is studied at pH 5-12.4 and 301 K/313 K. In GAC mercaptan blocks micropores and mesopores, whereas in PAC the broader mesopores remain intact providing access to micropores. Mercaptan is transformed into isomer disulfides and non-extractable sulfur forms following acid-base or oxidationreduction reaction depending on carbon surface groups and iron, and dissolved oxygen. Adsorption obeys a Langmuir isotherm, with oxygen competing with mercaptan (<100 mg mercaptan/L), followed by a Dubinin-Raduschkevich isotherm. Mercaptan uptake increases with temperature. Free energy values suggest that the Langmuir part represents hydrogen bonds whereas the Dubinin-Raduschkevic part the van der Waals ones. © Taylor & Francis Group, LLC. en
heal.journalName Separation Science and Technology en
dc.identifier.doi 10.1080/01496395.2011.591647 en
dc.identifier.volume 46 en
dc.identifier.issue 13 en
dc.identifier.spage 2004 en
dc.identifier.epage 2021 en

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