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المؤلفHafiz, Mhd Ammar
المؤلفHawari, Alaa H.
المؤلفDas, Probir
المؤلفKhan, Shoyeb
المؤلفAltaee, Ali
تاريخ الإتاحة2023-05-23T09:39:13Z
تاريخ النشر2020
اسم المنشورChemical Engineering and Processing - Process Intensification
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.cep.2020.108112
معرّف المصادر الموحدhttp://hdl.handle.net/10576/43352
الملخصIn this study, a hybrid ultrafiltration-forward osmosis system was compared with a dual stage ultrafiltration process for the harvesting of marine microalgae. To the best of the author's knowledge none of the previous studies compared the performance of a dual stage ultrafiltration process with a hybrid UF-FO process for the harvesting of marine microalgae. The application of the hybrid process is expected to reduce the energy consumption for harvesting the microalgae without affecting the concentration factor and final product quality. In forward osmosis, the impact of the feed and draw solutions flowrate and the membrane orientation was investigated. The feed solutions were unfiltered microalgae solution and ultrafiltered concentrated microalgae while the draw solution was brine collected from a thermal desalination plant. A maximum total algal harvesting concentration factor of 37.3 was obtained using the hybrid ultrafiltration-forward osmosis system and the dual stage ultrafiltration process. The flowrate used in the forward osmosis process was 2.5 LPM for the feed solution and 0.8 LPM for the draw solution and the active layer was facing the feed solution (i.e. FO mode). The energy consumption in the hybrid ultrafiltration-forward osmosis system was 24% less than the dual-stage ultrafiltration system. 2020 Elsevier B.V.
راعي المشروعThis research is made possible by NPRP award (NPRP10-0117-170176) from Qatar National Research Fund (QNRF) . The statements made herein are solely the responsibility of the authors. In addition, the authors wish to thank QNRF for the financial support provided to one of the co-authors through a Qatar Research Leadership Program (GSRA6-1-0509-19021). The authors wish to thank the Central Laboratories Unit (CLU) at Qatar University for the ion chromatography analysis.
اللغةen
الناشرElsevier
الموضوعDewatering
Energy consumption
Membrane
Microalgae separation
Osmotic dewatering
العنوانComparison of dual stage ultrafiltration and hybrid ultrafiltration-forward osmosis process for harvesting microalgae (Tetraselmis sp.) biomass
النوعArticle
رقم المجلد157
dc.accessType Abstract Only


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