Determination of Activity Coefficients of Major Ions in Caspian Sea Water
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISPTC21_219
تاریخ نمایه سازی: 30 دی 1397
Abstract:
Studies on the Caspian Sea have already included a study of its chemical composition, and thestudy of thermodynamics and activity coefficients of the existing ions, which are of theoreticaland practical importance for preparing phase diagrams of the sea, have not been considered.Using the results of these studies, information on processes such as salt precipitation due toevaporation of sea water, investigating the possibility of extraction of valuable salts and changesin water density with the amount of salt dissolved in sea water can be obtained.In this study, the activity coefficients of ions and saline salts were calculated at 250C with usingpublished data on the concentration of sea ions in the past years [1]. The Pitzer model has been used to determine the activity coefficient and other thermodynamicfunctions [2]. (...)
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Authors
Maryam Abedi
Department of Chemical Engineering, Faculty of Imam Mohammad Bagher, sari branch, Technical and Vocational University (TVU), Mazandaran, Iran