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Removal of Cr(VI) from aqueous solution by pyrolytic charcoals

dc.contributor.authorAltun, Türkan
dc.contributor.authorKar, Yakup
dc.date.accessioned12.07.201910:50:10
dc.date.accessioned2019-07-12T22:02:59Z
dc.date.available12.07.201910:50:10
dc.date.available2019-07-12T22:02:59Z
dc.date.issued2016
dc.identifier.citationAltun, T., Kar, Y. (2016). Removal of Cr(VI) from aqueous solution by pyrolytic charcoals. Xinxing Tan Cailiao/New Carbon Materials, 31 (5), pp. 501-509. https://doi.org/10.1016/S1872-5805(16)60028-8en_US
dc.identifier.urihttps://doi.org/10.1016/S1872-5805(16)60028-8
dc.identifier.urihttps://hdl.handle.net/20.500.12508/525
dc.description.abstractBio-chars produced by the pyrolysis of walnut shells at 450? (BC450) and theco-pyrolysis of walnut shells and 20 wt% tar sand (BCTS20)at the same temperature, were investigated as potential adsorbents for the removal of Cr(VI) ions from aqueous solutions using batch experiments. The BCTS20 has more abundant surface functional groups than BC450. The Cr(VI) removal percentages under optimal conditions were 80.47and 95.69% for BC450 and BCTS20, respectively. Langmuir, Freundlich and D-R models were used to fit the adsorption isotherms and the Langmuir model described the adsorption isotherms best. The adsorption of Cr(VI) was by a chemical process dominated by ion-exchange, electrostatic attraction and chelation. The maximum Langmuir adsorption capacities were 36.55 and 49.76 mg per g of BC450 and BCTS20, respectively. The maximum Langmuir adsorption capacity of BCTS20 is comparable to that of some reported commercial activated carbons. © 2016, Science Press. All right reserved.en_US
dc.language.isoengen_US
dc.publisherEditorial Board of New Carbon Materialsen_US
dc.relation.isversionof10.1016/S1872-5805(16)60028-8en_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHexavalent chromiumen_US
dc.subjectPyrolytic charcoalen_US
dc.subjectWalnut shellen_US
dc.subject.classificationMaterials Scienceen_US
dc.subject.classificationMultidisciplinaryen_US
dc.subject.classificationChromium Hexavalent Ion | Biosorbents | Second-Order Modelen_US
dc.subject.otherIndustrial waste-wateren_US
dc.subject.otherHexavalent chromiumen_US
dc.subject.otherActivated carbonen_US
dc.subject.otherLow-costen_US
dc.subject.otherBiomass-pyrolysisen_US
dc.subject.otherBio-charsen_US
dc.subject.otherAdsorptionen_US
dc.subject.otherAdsorbentsen_US
dc.subject.otherCr(vı)en_US
dc.subject.otherBiosorptionen_US
dc.subject.otherActivated carbonen_US
dc.subject.otherAdsorption isothermsen_US
dc.subject.otherCharcoalen_US
dc.subject.otherChromiumen_US
dc.subject.otherChromium compoundsen_US
dc.subject.otherIon exchangeen_US
dc.subject.otherOil sandsen_US
dc.subject.otherPyrolysisen_US
dc.subject.otherSolutionsen_US
dc.subject.otherCommercial activated carbonsen_US
dc.subject.otherElectrostatic attractionsen_US
dc.subject.otherHexavalent chromiumen_US
dc.subject.otherLangmuir adsorptionen_US
dc.subject.otherOptimal conditionsen_US
dc.subject.otherPotential adsorbentsen_US
dc.subject.otherSurface functional groupsen_US
dc.subject.otherWalnut shellsen_US
dc.subject.otherAdsorptionen_US
dc.titleRemoval of Cr(VI) from aqueous solution by pyrolytic charcoalsen_US
dc.typearticleen_US
dc.relation.journalXinxing Tan Cailiao/New Carbon Materialsen_US
dc.contributor.departmentMühendislik ve Doğa Bilimleri Fakültesi -- Petrol ve Doğalgaz Mühendisliği Bölümüen_US
dc.identifier.volume31en_US
dc.identifier.issue5en_US
dc.identifier.startpage501en_US
dc.identifier.endpage509en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.contributor.isteauthorKar, Yakupen_US
dc.relation.indexScopusen_US


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