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Investigation of microfiltration for treatment of emulsified oily wastewater from the processing of petroleum products |
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| Authors: | Yanhui Wang Xu Chen Jingmei Yin |
| Affiliation: | a College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China b College of Environment and Chemical Engineering, Dalian University, Dalian 116622, China c School of Civil and Environmental Engineering, Nanyang Technological University, 639798, Singapore d Department of Petrochemical, Lanzhou Petrochemical College of Vocational Technology, Lanzhou 730060, China |
| Abstract: | This research has investigated the possibility of using polyvinylidene fluoride (PVDF) membrane to treat the emulsified oily wastewater. Experimental results showed that the microfiltration could effectively treat the laboratory prepared emulsified oily wastewater and the fouled membrane could be recovered by using conventional cleaning methods. Similar promising results were obtained to treat factory emulsified oily wastewater by using microfiltration. In addition, different cleaning methods were investigated to recover the fouled membrane flux. Results showed that suitable interval operation of filtration and aeration could eliminate the membrane fouling under relative lower transmembrane pressure. Experimental results provided the basis for further investigation of its application in factory emulsified oily wastewater treatment. |
| Keywords: | Microfiltration Wastewater treatment Emulsified oily wastewater |
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