A Comparative study of organic fouling in hollow fiber and spiral wound membranes |
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| Affiliation: | 1. School of Energy and Power Engineering, Xi''an Jiaotong University, No. 28, Xianning West Road, Xi''an, Shaanxi 710049, China;2. Sinopec Si Chuan to Eastern China Transmission Gas Pipeline Co. Ltd., No. 126, Guanggu Road, Donghu New Technology Development Zone, City of Wuhan, Hubei Province 430020, China;3. College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, 18 Fuxue Road, Changping, Beijing, China;4. Beijing Key Laboratory of Process Fluid Filtration and Separation, 18 Fuxue Road, Changping, Beijing, China;1. Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih, 43500, Selangor Darul Ehsan, Malaysia;2. Department of Mechanical, Materials and Manufacturing Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih, 43500, Selangor Darul Ehsan, Malaysia;1. State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China;2. National Engineering Laboratory for Industrial Wastewater Treatment, East China University of Science and Technology, Shanghai, 200237, China;3. Dalian (Fushun) Research Institute of Petroleum and Petrochemicals, China Petroleum & Chemical Corporation (SINOPEC), Dalian, 116045, China;4. Institution of Environmental Pollution and Heath, Shanghai University, Shanghai, 200444, China;1. School of Chemical Engineering, Jeonbuk National University, 567 Baekje-Daero, Deokjin-gu, Jeonju 54896, South Korea;2. School of Semiconductor and Chemical Engineering, Jeonbuk National University, 567 Baekje-Daero, Deokjin-gu, Jeonju 54896, South Korea;1. CREAR, Industrial Engineering Department, University of Florence, Viale Morgagni 40, 50134 Florence, Italy;2. Renewable Energy COnsortium for R&D, RE-CORD c/o University of Florence, Viale J. F. Kennedy, 184, 50038 Pianvallico, Florence, Italy |
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| Abstract: | The occurrence of flux decline in brackish water reverse osmosis (RO) plants due to dissolved organics is a topic of ongoing research. This type of organic fouling has also been found in seawater RO plants. A study was undertaken to compare organic fouling in hollow fiber and spiral wound membranes using a seawater feed that possessed a high concentration of huraic acid. This study was undertaken at an RO plant on Grand Cayman Island, British West Indies. The feed water came from a sea well and possessed a concentration of humic acid that varied between 35 and 60 mg/l.The hollow fiber membrane was operated at a recovery of 25% while the recovery with the spiral wound membrane varied between 5 and 25%. The performance data which included permeate flow, salt rejection, pressure drops across the membrane and analysis of the membranes for organic fouling were undertaken. This study compared the performance data and organic fouling between the hollow fiber and spiral wound meembranes. |
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