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The effect of HCl treatment on water vapor adsorption characteristics of clinoptilolite rich natural zeolite 

Çakıcıoğlu Özkan, Fehime; Ülkü, Semra (Elsevier, 2005-01)
In this study, water vapor adsorption properties of the clinoptilolite rich zeolite tuff, from Bigadic (Turkey), and its modified forms were examined. The modified forms were obtained by treating the tuff with HCl solutions ...
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A chromatographic study of carbon monoxide adsorption on a clinoptilolite-containing natural zeolitic material 

Narin, Güler; Yılmaz, Selahattin; Ülkü, Semra (Taylor & Francis, 2004-11)
In this study, the equilibrium and kinetic parameters for CO adsorption on clinoptilolite-rich natural zeolitic material were determined by the concentration pulse chromatography technique. Experiments were carried out at ...
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Silver, zinc, and copper exchange in a Na-clinoptilolite and resulting effect on antibacterial activity 

Top, Ayben; Ülkü, Semra (Elsevier, 2004-10)
Ag+-Na+, Zn2+-Na+, and Cu2+-Na+ equilibria for clinoptilolite-rich mineral from Gördes (Western Anatolia) were investigated at 25 °C and 0.1 N total solution normality. While silver exchange was favorable over the whole ...
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Isomerization of α-pinene over calcined natural zeolites 

Akpolat, Oğuz; Gündüz, Gönül; Özkan, Fehime; Beşün, Nurgün (Elsevier, 2004-06)
In this work, isomerization reaction of α-pinene was studied over several heat-treated natural zeolite catalysts, rich in clinoptilolite, from Balýkesir-Bigadic region in Turkey in a batch slurry reactor under nitrogen ...
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Isomerization of α-pinene over ion-exchanged natural zeolites 

Özkan, Fehime; Gündüz, Gönül; Akpolat, Oğuz; Beşün, Nurgün; Murzin, Dmitry Yu. (Elsevier, 2003-03)
Catalysts prepared by ion exchange of clinoptilolite-based natural zeolite tuffs with NH4 +, Ba2+ and Pb2+ were investigated in the isomerization reaction of α-pinene at atmospheric pressure under nitrogen flow. Activity ...
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Kinetic and equilibrium studies of adsorption of β-glucuronidase by clinoptilolite-rich minerals 

Demirbüker Kavak, Dilek; Ülkü, Semra (Elsevier, 2015-02)
The adsorption of the bacterial β-glucuronidase (GUS) enzyme, which is thought to be responsible for the production of reactive metabolites related to some diseases and cancer development, by clinoptilolite-rich mineral ...
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AuthorÜlkü, Semra (11)Balköse, Devrim (3)Akpolat, Oğuz (2)Beşün, Nurgün (2)Gündüz, Gönül (2)Narin, Güler (2)Yılmaz, Selahattin (2)Çakıcıoğlu Özkan, Seher Fehime (2)Özkan, Fehime (2)Akdeniz, Yelda (1)... View MoreSubject
Clinoptilolite (16)
Zeolites (5)Adsorption (4)Ion exchange (3)Copper (2)Diffusion (2)Isomerization (2)α-Pinene (2)Acid treatment (1)Acidity strength (1)... View MorePublication Typearticle (16)Languageeng (16)Publication Category
Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı (16)
Access Typeinfo:eu-repo/semantics/openAccess (16)Date Issued2010 - 2017 (5)2003 - 2009 (11)Has File(s)Yes (16)

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