Experimental Study of the Separation of Oil in Water Emulsions by Tangential Flow Microfiltration Process. Part 1: Analysis of Oil Rejection Efficiency and Flux DeclineWai Lam Loh1,2, Thiam Teik Wan1,2*, Vivek Kolladikkal Premanadhan1, Ko Ko Naing1,2, Nguyen Dinh Tam1,2, Valente Hernandez Perez1,2 and Yu Qiao Zhao1
- *Corresponding Author:
- Wan Thiam Teik
Research Associate, Faculty of Engineering
National University of Singapore, Singapore
E-mail: [email protected]
Received date : May 21, 2014; Accepted date : August 21, 2014; Published date : August 26, 2014
Citation: Loh WL, W n TT, Premanadhan VK, Naing KK, Tam ND, et al. (2015) Experimental Study of the Separation of Oil in Water Emulsions by Tangential Flow Microfiltration Process. Part 1: Analysis of Oil Rejection Efficiency and Flux Decline. J Membra Sci Technol 5:130. doi: 10.4172/2155-9589.1000130
Copyright: © 2015 Loh WL, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Management of produced water is a major issue offshore. Microfiltration has emerged as a useful alternative for treating the oil-water emulsions to meet the regulatory limit for disposal. In this work, tangential flow (cross flow) microfiltration of oil-water mixture was studied. The tangential flow microfiltration process was investigated using a ceramic membrane of 0.5 μm pore size. For this phase of work, medium viscosity paraffin oil was used as substitute to crude oil. Using oily water feed of 500-1000 ppm oil concentration, a microfiltration ceramic membrane of 0.5 μm pore size was proven capable of producing a high purity filtrate lower than the threshold required for offshore produced water effluent, typically 29 mg/l residual oil, in the Gulf of Mexico. However, membrane has a major drawback in the form of fouling. Decline in permeation flux should be expected over time of operation. This limitation has certainly impeded the large scale applications of microfiltration process in the field of oil and gas processing industry. An optimized cleaning process is needed to restore membrane performance.