Paper Information

Journal:   IRANIAN JOURNAL OF CHEMICAL ENGINEERING   SUMMER 2011 , Volume 8 , Number 3; Page(s) 55 To 63.
 
Paper: 

INFLUENCE OF SALINITY, SURFACTANTS AND POWER OF ULTRASONIC HOMOGENIZER ON DROPLET SIZE DISTRIBUTION OF CRUDE OIL/WATER EMULSIONS: RESEARCH NOTE

 
 
Author(s):  EFTEKHARDADKHAH M., HASHEMABADI S.H.*
 
* COMPUTATIONAL FLUID DYNAMICS RESEARCH LABORATORY, SCHOOL OF CHEMICAL ENGINEERING, IRAN UNIVERSITY OF SCIENCE AND TECHNOLOGY, IRAN
 
Abstract: 

In this paper, the droplet size distribution of the Tehran refinery crude oil/water emulsions is determined by analyzing the photomicrographs of model emulsions which were taken by microscope. The normal distribution function is fitted to the experimental data in order to reproduce the droplet size distribution (DSD) of the emulsions by using mean diameter and standard deviation. The effect of different parameters such as surfactant concentration, salinity, and the power of homogenizer on the droplet size distribution and mean droplet diameter of the emulsions are determined. The smaller droplet size was observed in high concentrations of surfactant and in the absence of salt, and also in emulsions which were prepared with lower power of homogenizer.

 
Keyword(s): OIL-IN-WATER EMULSIONS, DROPLET SIZE DISTRIBUTION (DSD), SURFACE TENSION, PHOTOMICROGRAPHS
 
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