Adsorption is one of the most commonly used methods to remove heavy metals from wastewater. Clay minerals found in high abundance in nature, are frequently used as adsorbent in adsorption processes due to their high adsorption capacity and low cost. Some physical and chemical processes are used in order to increase adsorption capacity of clay minerals and change its pore size distribution. The most common methods are heat and acid activation. Due to the recent research interest about radioactive waste storage and migration of radionuclides into solid phase, adsorption of uranium(VI) on various adsorbents became a very important phenomena
In this study we evaluated, adsorption of uranium(VI) on sepiolite clay mineral which is very abundant in Turkey. To increase the adsorption capacity we used heat and two different types of acids to form activated sepiolite. The differences between adsorption capacity of uranium(VI) on natural and activated sepiolite are compared. To interpret the data X-ray diffraction (XRD), ICP-MS, BET surface area and pore size distribution values are used.
ÇALIŞKAN Elif,
Danışman : Mehmet MAHRAMANLIOĞLU
Anabilim Dalı : Kimya Anabilim Dalı
Programı (Varsa) : Fiziksel Kimya
Mezuniyet Yılı : 2007
Tez Savunma Jürisi : Doç. Dr. Mehmet MAHRAMANLIOĞLU (Danışman)
Prof. Dr. Ayşe Zehra AROĞUZ
Prof. Dr. İzzet TOR
Doç. Dr. Sinem GÖKTÜRK
Doç. Dr. İrfan KIZILCIKLI
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