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Applications of Membrane Contactors for Water Treatment
Membrane contactor is a new class of membrane product which enables mass transfer between two phases without the need for intimate mixing. Membrane contactors provide large interfacial contact area thereby promoting mass transfer. The merits of membrane contactors include modularity, easy scalability, less inventory requirements, and better safety. The liquid entry pressure which determines the point of free flow governs the choice of the membrane in tune with the solvents proposed to be used. The contactors can be of any configuration flat sheet, spiral, tubular, or hollow fiber.
Membrane contactors have the potential to replace or supplement the conventional mass transfer operations such as extraction, absorption, crystallization, emulsification, and distillation. The established applications include liquid‐liquid extraction, gas‐liquid absorption, membrane bioreactors, supported liquid membranes, and membrane distillation for selective separations. In future, membrane contactors can be useful in mitigating the pollution to environmental discharges, particularly for medium and small‐scale industries as they can recover value from spent streams without much footprint. Isolation of spent streams instead of mixing them together, in this context, could be beneficial. Membrane distillation could be a boon for mitigating thermal pollution as well as value generation in terms of pure water production.
Applications of Membrane Contactors for Water Treatment
Membrane contactor is a new class of membrane product which enables mass transfer between two phases without the need for intimate mixing. Membrane contactors provide large interfacial contact area thereby promoting mass transfer. The merits of membrane contactors include modularity, easy scalability, less inventory requirements, and better safety. The liquid entry pressure which determines the point of free flow governs the choice of the membrane in tune with the solvents proposed to be used. The contactors can be of any configuration flat sheet, spiral, tubular, or hollow fiber.
Membrane contactors have the potential to replace or supplement the conventional mass transfer operations such as extraction, absorption, crystallization, emulsification, and distillation. The established applications include liquid‐liquid extraction, gas‐liquid absorption, membrane bioreactors, supported liquid membranes, and membrane distillation for selective separations. In future, membrane contactors can be useful in mitigating the pollution to environmental discharges, particularly for medium and small‐scale industries as they can recover value from spent streams without much footprint. Isolation of spent streams instead of mixing them together, in this context, could be beneficial. Membrane distillation could be a boon for mitigating thermal pollution as well as value generation in terms of pure water production.
Applications of Membrane Contactors for Water Treatment
Inamuddin (editor) / Ahamed, Mohd Imran (editor) / Boddula, Rajender (editor) / Rangreez, Tauseef Ahmad (editor) / Kapoor, Ashish (author) / Poonguzhali, Elangovan (author) / Dayanandan, Nanditha (author) / Prabhakar, Sivaraman (author)
Applied Water Science Volume 1 ; 361-381
2021-05-10
21 pages
Article/Chapter (Book)
Electronic Resource
English
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