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      Role of the exposed Pt active sites and BaO2 formation in nox storage reduction systems: a model catalyst study on BaOx/Pt(111) 

      Vovk, E. I.; Emmez, E.; Erbudak, M.; Bukhtiyarov, V. I.; Ozensoy, E. (American Chemical Society, 2011)
      BaOx(0.5 MLE - 10 MLE)/Pt(111) (MLE: monolayer equivalent) surfaces were synthesized as model NOx storage reduction (NSR) catalysts. Chemical structure, surface morphology, and the nature of the adsorbed species on ...
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      FTIR study of low-temperature CO adsorption on Mn-ZSM-5 and MnY zeolites. Effect of the zeolite matrix on the formation of Mn2+(CO)x geminal species 

      Hadjiivanov, K.; Ivanova, E.; Kantcheva, M.; Ciftlikli, E. Z.; Klissurski, D.; Dimitrov, L.; Knözinger, H. (Elsevier, 2002-08)
      Adsorption of CO on Mn-ZSM-5 zeolite at 85 K results in formation of physically adsorbed CO, several kinds of H-bonded CO and Mn2+ (CO)(x) geminal species (2202 cm(-1)). Decreasing the coverage during evacuation results ...
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      A characterization study of some aspects of the adsorption of aqueous Co2+ ions on a natural bentonite clay 

      Shahwan, T.; Erten, H. N.; Unugur, S. (Academic Press, 2006-06-13)
      The natural bentonite used in this study contained montmorillonite in addition to low cristobalite. The uptake of aqueous Co2+ ions was investigated as a function of time, concentration, and temperature. In addition, the ...
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      Sulfur poisoning and regeneration behavior of perovskite-based NO oxidation catalysts 

      Kurt M.; Say, Z.; Ercan, K. E.; Vovk, E. I.; Kim, C. H.; Ozensoy, E. (Springer New York LLC, 2017)
      SOxuptake and release properties of LaMnO3, Pd/LaMnO3, LaCoO3and Pd/LaCoO3perovskites were investigated via in situ Fourier transform infrared (FTIR) spectroscopy, temperature programmed desorption and X-ray photoelectron ...
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      Adsorption behavior of radionuclides, 137Cs and 140Ba, onto solid humic acid 

      Çelebi, O.; Erten, Hasan N. (Springer, 2011)
      In this research, the adsorption behaviors of two important fission product radionuclides (137Cs and 133Ba) onto sodium form of insolubilized humic acid (INaA) were investigated as a function of time, cation concentration ...
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      Uptake of Ba2+ ions by natural bentonite and CaCO3: a radiotracer, EDXRF and PXRD study 

      Shahwan, T.; Atesin, A. C.; Erten, H. N.; Zararsiz, A. (Akademiai Kiado Rt., 2002)
      Ba2+ uptake by natural bentonite, CaCO3 in addition to a number of bentonite-CaCO3 mixtures with variable compositions as a function of pH and Ba2+ concentration was studied. Radiotracer method, EDXRF, and PXRD were used. ...
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      A radiotracer study of the adsorption behavior of aqueous Ba2+ ions on nanoparticles of zero-valent iron 

      Çelebi O.; Üzüm, C.; Shahwan, T.; Erten H.N. (2007)
      Recently, iron nanoparticles are increasingly being tested as adsorbents for various types of organic and inorganic pollutants. In this study, nanoparticles of zero-valent iron (NZVI) synthesized under atmospheric conditions ...
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      Direct evidence for the instability and deactivation of mixed-oxide systems: influence of surface segregation and subsurface diffusion 

      Emmez, E.; Vovk, E. I.; Bukhtiyarov V. I.; Ozensoy, E. (2011)
      In the current contribution, we provide a direct demonstration of the thermally induced surface structural transformations of an alkaline-earth oxide/transition metal oxide interface that is detrimental to the essential ...
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      Sorption of radioiodine on organic rich soil, clay minerals and alumina 

      Assemi, S.; Erten, H. N. (Kluwer Academic Publishers, 1994)
      Batch method was used to investigate the sorption behavior of radioiodine on organic rich soil, alumina, chlorite-illite clay mixture and bentonite.131I was used as tracer. The grain sizes of the samples used were all below ...
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      Sorption of phenol and radioactive cesium onto surfactant modified insolubilized humic acid 

      Celebi, O.; Erten, H. N. (2010)
      In this study, the sorption behavior of two important contaminants, phenol and radioactive cesium (137Cs), onto surfactant modified insolubilized humic acid (SMIA) were investigated as a function of time, sorbate concentration ...
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      AuthorErten, H. N. (9)Ozensoy, E. (5)Shahwan, T. (5)Kantcheva, M. (3)Vovk, E. I. (3)Andonova, S. M. (2)Celebi, O. (2)Emmez, E. (2)Karadas, F. (2)Kayhan, E. (2)... View MoreKeywords
      Adsorption (25)
      Barium (7)Fourier transform infrared spectroscopy (4)Spectroscopy (3)Titanium dioxide (3)X ray diffraction (3)Adsorption experiment (2)Barium compounds (2)Bentonite (2)Calcium carbonate (2)... View MoreDate Issued2010 - 2019 (8)2000 - 2009 (13)1994 - 1999 (4)Has File(s)Yes (25)

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