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dc.contributor.authorKajjumba, George William
dc.contributor.authorAydin, Serdar
dc.contributor.authorGuneysu, Sinan
dc.date.accessioned2021-03-03T17:21:26Z
dc.date.available2021-03-03T17:21:26Z
dc.identifier.citationKajjumba G. W. , Aydin S., Guneysu S., "Adsorption isotherms and kinetics of vanadium by shale and coal waste", ADSORPTION SCIENCE & TECHNOLOGY, cilt.36, ss.936-952, 2018
dc.identifier.issn0263-6174
dc.identifier.othervv_1032021
dc.identifier.otherav_494615c7-0114-488b-a1ac-57df7985c6e4
dc.identifier.urihttp://hdl.handle.net/20.500.12627/52711
dc.identifier.urihttps://doi.org/10.1177/0263617417733586
dc.description.abstractThe use of adsorption using nanomaterials has become a very competitive method for removal of hazardous materials from wastewater. With increasing consumption of fossil fuels and development of energy storage systems, the levels of vanadium pollution are expected to increase. Utilizing natural shale and coal waste as adsorbents, batch adsorption, isotherms, and kinetics of vanadium was studied. The adsorption characteristics of shale and coal waste were studied using Fourier Transform Infrared spectroscope and Scanning Electron Microscopy. The effect of pH, the amount of adsorbent, vanadium concentration, temperature, and contact time between adsorbate and adsorbents were also studied to obtain optimum conditions for maximum adsorption of vanadium. The Fourier Transform Infrared results show little distortion in the vibration of bands, and hence the surface properties remain unchanged for both sorbents after adsorption. The adsorption kinetics are best described by pseudo-second order, while Langmuir model fits the adsorption isotherm for both adsorbents. Maximum sorption capacity is 67.57 mg/g for shale while that of coal is 59.88 mg/g at 298 K and pH 3. For both adsorbents, the adsorption process is spontaneous, endothermic, and chemisorption in nature. Both adsorbents can effectively be recycled twice.
dc.language.isoeng
dc.subjectKimya Mühendisliği ve Teknolojisi
dc.subjectFizikokimya
dc.subjectDiğer
dc.subjectTemel Bilimler
dc.subjectMühendislik ve Teknoloji
dc.subjectMühendislik
dc.subjectMühendislik, Bilişim ve Teknoloji (ENG)
dc.subjectMÜHENDİSLİK, KİMYASAL
dc.subjectKİMYA, FİZİKSEL
dc.subjectTemel Bilimler (SCI)
dc.subjectKimya
dc.subjectKİMYA, UYGULAMALI
dc.titleAdsorption isotherms and kinetics of vanadium by shale and coal waste
dc.typeMakale
dc.relation.journalADSORPTION SCIENCE & TECHNOLOGY
dc.contributor.departmentİstanbul Üniversitesi , ,
dc.identifier.volume36
dc.identifier.startpage936
dc.identifier.endpage952
dc.contributor.firstauthorID252869


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