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العنوان
JON EXCHANGE AND SELECriVITY BEHAVIOUR OF CERIUM (IV) ANTIMONATE AS ION EXCHANGER.
المؤلف
MAKI, MAGDA AHMED ABDEL WAHAB.
هيئة الاعداد
باحث / ماجدة احمد عبد الوهاب
مشرف / محمد فتحي الشحات
مشرف / ابراهيم محمد النجار
مشرف / محمد عبد السلام العبسي
تاريخ النشر
1997
عدد الصفحات
vi,116 p.
اللغة
الإنجليزية
الدرجة
ماجستير
التخصص
كمبيوتر في علوم الأرض
الناشر
تاريخ الإجازة
1/1/1997
مكان الإجازة
جامعة عين شمس - كلية العلوم - تكنولوجيا الوقود النووي
الفهرس
Only 14 pages are availabe for public view

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Abstract

The insoluble salts of polybasic acids with tetravalent metals (cerium(IV) antimonte) can be used as ion exchanger for separation of radionuclides from liquid waste. The ion exchange is effective in concentrating nuclides into small volume of the liquid waste. Inorganic ion-exchangers found many applications specially in nuclear field because of their strong chemical affinity, high retention of certain radionuclides and capacity, high resistance for ionizing radiation as well as economic aspects.
This thesis is concerned with kinetics, thermodynamics and distribution of certain radionuclides namely; cesium-134, cobalt-60, stronium-85 and europium-152+154, sorption isotherms for Co2+ and separation of cesium by chromatographic method using the column technique was performed . The main aim of this study is to find the optimum operational conditions for the separation of the above mentioned radionuclides. New synthesis inorganic ion exchange materials (cerium(IV) antimonate) was prepared specially under different coditions for progress. This thesis consists of three main chapters, introduction and literature survey, experimental and finally results and discussion.
First chapter (introduction) which includes a brief account on the kinetics and thermodynamics of the ion exchange reactions,. using the inorganic ion exchangers for the treatment of liquid waste, classification of inorganic exchangers, and a breif account on each type specially cerium(IV) antimonate, a literature survey related to different antimonate series specially CeSb in nuclear activity.
Second part (experimental), this part includes the description of chemical materials which used in this work and the degree of purity. Also, description of the methods of preparation of cerium(IV) antimonate and analytical techniques were described in this part.
The third chapter (results and discussion) which includes the method of preparation of cerium(IV) antimonate at different conditions and charaterization of the prepared materials using solubility, Infrared spectrometery, Differential Thermal Analysis (DTA), Thermal Gravimetry(TG) and X-ray Diffraction Patterns.