Enhanced uptake capacities and isosteric heats of CO2 and CH4 adsorption on spent coffee ground activated carbons loaded with metal ions

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dc.authorid0000-0001-8838-2274
dc.authorid0000-0002-5166-9623
dc.authorid0000-0002-6998-6459
dc.authorid0000-0002-9409-9157
dc.contributor.authorKırbıyık, Çisem
dc.contributor.authorBüyükbekar, Burak Zafer
dc.contributor.authorKuş, Mahmut
dc.contributor.authorErsöz, Mustafa
dc.date.accessioned2020-03-26T20:13:55Z
dc.date.available2020-03-26T20:13:55Z
dc.date.issued2019
dc.departmentSelçuk Üniversitesi, Mühendislik Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.description.abstractLow-cost activated carbon (AC) samples obtained from waste coffee grounds were used for CO2 and CH4 adsorption. ACs were prepared by chemical activation and carbonized at three different temperatures. AC carbonized at 800 degrees C showed a relatively high surface area (582.92 m(2) g(-1)) and high adsorption capacities of 2.6 mmol g(-1) and 1.1 mmol g(-1) at 25 degrees C for CO2 and CH4, respectively. Adsorbent samples were prepared by loading of Fe3+ metal ions onto ACs and their adsorption capacities were compared with those of nonloaded ACs. As expected, the loading of Fe3+ metal ions increased the adsorption capacities at all temperatures and the adsorption capacity of Fe3+-loaded AC carbonized at 800 degrees C was 3.1 mmol g(-1) for CO2 and 1.2 mmol g(-1) for CH4 at 25 degrees C. The isosteric heats of adsorption were calculated at 0-35 degrees C with the range of 20-35 kJ mol(-1) and 18-23 kJ mol(-1) for CO2 and CH4, respectively. According to our findings, bio-based ACs can be used as an effective and alternative adsorbent for capturing different gas molecules.en_US
dc.description.sponsorshipSelcuk University Scientific Research CouncilSelcuk University [18201081]en_US
dc.description.sponsorshipB.Z. Buyukbekar partially contributed from his PhD thesis and he thanks Selcuk University Scientific Research Council (project number: 18201081). The authors also would like to thank the Selcuk University Advanced Technology Research and Application Center for the facilities and technical assistance.en_US
dc.identifier.citationKırbıyık, C., Büyükbekar, B. Z., Kuş, M., Ersöz, M. (2019). Enhanced Uptake Capacities and Isosteric Heats of CO2 and CH4 Adsorption on Spent Coffee Ground Activated Carbons Loaded with Metal Ions. Turkish Journal of Chemistry, 43(3), 948-962.
dc.identifier.doi10.3906/kim-1810-72en_US
dc.identifier.endpage962en_US
dc.identifier.issn1300-0527en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage948en_US
dc.identifier.urihttps://dx.doi.org/10.3906/kim-1810-72
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37787
dc.identifier.volume43en_US
dc.identifier.wosWOS:000473228400019en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorBüyükbekar, Burak Zafer.
dc.institutionauthorErsöz, Mustafa.
dc.language.isoenen_US
dc.publisherSCIENTIFIC TECHNICAL RESEARCH COUNCIL TURKEY-TUBITAKen_US
dc.relation.ispartofTURKISH JOURNAL OF CHEMISTRYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectBio-based activated carbonen_US
dc.subjectCO2 adsorptionen_US
dc.subjectCH4 adsorptionen_US
dc.subjectisosteric heaten_US
dc.titleEnhanced uptake capacities and isosteric heats of CO2 and CH4 adsorption on spent coffee ground activated carbons loaded with metal ionsen_US
dc.typeArticleen_US

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