نوع مقاله: مقاله پژوهشی
نویسندگان
1 مجتمع آب سنگین، خنداب، اراک، ایران
2 استادیار گروه مهندسی شیمی، دانشکده نفت و مهندسی شیمی، واحد علوم و تحقیقات دانشگاه آزاد اسلامی، تهران، ایران
3 گروه مهندسی شیمی، دانشکده نفت و مهندسی شیمی، واحد علوم تحقیقات، دانشگاه آزاد اسلامی، تهران، ایران
چکیده
کلیدواژه‌ها
عنوان مقاله [English]
نویسندگان [English]
Due to the increasing need for Oxygen-18 isotope in medical centers to produce 18 F radioisotopes used in positron emission tomography ( PET ) centers, research to improve and increase the production efficiency of this isotope seems more necessary than ever.
In this study, water with a concentration of 5.4% of oxygen - 18 in a pilot distillation tower and in a total reflux state, by using two packing of coated Dixon and coated Sulzer in different return flows have been tested and the pattern of Height Equivalent to a Theoretical Plate ( HETP ) variations for these two packings, which are irregular and regular packings , respectively, have been shown to be significantly different and of course, the amount of HETP obtained for coated Sulzer is less than coated Dixon. Accordingly, using coated packing Sulzer requires fewer equilibrium steps to achieve 99 % purity of oxygen - 18 isotope.
کلیدواژه‌ها [English]
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