A CORRELATION FOR SLIP VELOCITY IN HANSON MIXER-SETTLER EXTRACTION COLU MN
Publish place: 06th International Congress on Chemical Engineering
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC06_152
تاریخ نمایه سازی: 1 مهر 1388
Abstract:
Characteristic velocity was obtained in a pilot plant Hanson mixer-settler extraction column of seven stages using three systems. In this paper, a set of previous characteristic velocity models presented in the past literatures were examined. Comparison between these models and the experimental results showed that although some of these equations may have satisfactory results, but they have to be more accuracy for design. So, a model for prediction of slip velocity was suggested in terms of total holdup and characteristic velocity which depends onphysical properties of liquid systems and operating variables. The comparison of experimental values of slip velocity was demonstrated good agreement with results of proposed model.
Authors
E Hashtochahar
Department of Chemical Engineering, school of Chemical, Gas and Petroleum Engineering, Semnan University, semnan, Iran.
A Haghighi Asl
Department of Chemical Engineering, school of Chemical, Gas and Petroleum Engineering, Semnan University, semnan, Iran.
S . J Safdari
Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, Tehran, Iran.
M Napeida
Department of Chemical Engineering, school of Chemical, Gas and Petroleum Engineering, Semnan University, semnan, Iran.
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