![Sample our Economics, Finance,Business & Industry journals, sign in here to start your access, latest two full volumes FREE to you for 14 days]({"type":"image" , "src" : "/sda/5931/TOC-Subject-Sample-2021-Economics-Finance-Business-Industry.jpg"})
Abstract
This study is conducted to indicate the importance of emulsion stability in the pertraction operation. Emulsion liquid membrane is stabilized by the addition of a rubbery polymer and dispersed in an external phase containing phenol. Moreover, various parameters such as temperature, intensity of mixing, internal phase concentration, phase ratio, and pH of external phase due to their effect on emulsion stability were studied. Emulsion stability with a specified formulation of primary emulsion without polymer was found in about 5–10 min, but results showed that the addition of the polymer increased the emulsion stability time at least for 35 min. In general, the results showed that by increasing the volume ratio of phases (Rew), internal-phase concentration, and decreasing feed pH, the extraction efficiency increases. It was found that under optimum conditions, more than 85% of phenol presented in a feed solution containing 100 ppm phenol was removed within only 35 min in a single-stage operation.
Acknowledgment
The authors gratefully acknowledge Mrs Anoush Ahghar from Palace Co. (Seppic Co. agent) for supplying the emulsifier.