منابع مشابه
Fabrication of Crosslinkable Hollow Fiber Membranes for Pervaporation Dehydration
Integrally-skinned asymmetric Polyetherimide/Poly (vinyl alcohol) (PEI/PVA) hollow fber membranes for pervaporation dehydration were fabricated by non-solvent induced phase inversion. PVA inside the PEI matrix could be crosslinked to provide membrane performance stability during long term operation. The effects of different PEI/PVA blend ratio, external coagulant type and...
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The present work studied the application of membrane bioreactor (MBR) for tapioca wastewater processing that contained chemical oxygen demand (COD) ranging from 4000-9000 mg/L. A preliminary study was initially conducted in order to evaluate membrane performance with respect to its flux with MLSS concentration ranging from 4,500 to 10,500 mg/L. It was clear that fouling was observed during the ...
متن کاملGranulocyte Elastase Release during Extracorporeal Oxygenation: Effects of Bubble, Membrane, and Hollow Fiber Oxygenators
_____________ _ Activation or lesions of PMN-granulocytes among other effects result in release of proteases i.e., elastase (E). Plasma E is mainly inactivated by alpha !-proteinase inhibitor (alpha 1-PI) by formation of E-alpha 1-PI complexes. However, E may be able to destroy plasma proteins (i.e., clotting factors, immunoglobulins, etc.) before complex formation occurs. The effects of extrac...
متن کاملPolyethersulfone Hollow Fiber Membranes for Hemodialysis
Polyethersulfone (PES) is one of the most important polymeric materials and is widely used in separation fields. PES and PES-based membranes show outstanding oxidative, thermal and hydrolytic stability as well as good mechanical and film-forming properties. PES membranes could endure many kinds of sterilized methods, including epoxy ethane gas, steam, and γ-ray. Furthermore, PES-based membranes...
متن کاملPolarization controller for hollow-core fiber.
We demonstrate a universal polarization controller for hollow-core fibers, a simple device consisting of three twisted fiber sections that makes use of the inherent birefringence of the air-core fiber. The device 5% bandwidth at 1550 nm is calculated from measured data to be approximately 13 nm.
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ژورنال
عنوان ژورنال: Sen'i Gakkaishi
سال: 1983
ISSN: 0037-9875,1884-2259
DOI: 10.2115/fiber.39.11_p405