PES and PES/PAN Blend Ultrafiltration Hollow Fiber
For example the water content of the hollow fiber membranes increases from 72.1 to 82.7 when the PAN content in the spinning dope increases from 0 to 50 wt (of the total polymer concentration). The hydrophilicity of hollow fiber membranes was measured by a contact angle goniometer and is presented in Table V. From this table it can be
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Performance evaluation of a synthesized and characterized
In this work the response surface methodology (RSM) based on the central composite design (CCD) was used to examine effects of different gamma alumina (γ-Al2O3) loadings (0 to 8 wt. ) and various polyethylene glycol 1000 (PEG1000) contents (0 to 40 wt. ) as parameters on membrane preparation. Accordingly pure carbon dioxide (CO2) and methane (CH4) gasses permeability and ideal CO2/CH4
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Yttria stabilised zirconia (YSZ) membranes and their
Ceramic hollow-fibre membranes which have an asymmetric structure have been prepared in one step using an immersion induced phase inversion technique. With this method membranes with a high surface area per unit volume ratio can be produced while production cost is dramatically reduced. Yttria-stabilised zirconia (YSZ) is selected as a membrane material as it is relatively inexpensive and
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Formation of continuous and highly permeable ZIF-8
Herein we report the in situ synthesis of ZIF-8 membranes on the external surface of asymmetric ZnO-Al2O3 composite hollow fibers. The prepared ZIF-8 hollow fiber membrane exhibits exceeding performance for hydrogen separation and high reproducibility for an
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Preparation of Highly Permeable Al2O3 Hollow Fiber
Highly permeable porous alumina (Al2O3) hollow fiber membranes have been developed by a combined phase inversion and sintering technique. Ethanol substituting for water was used as the external coagulant in order to prepare Al2O3 hollow fiber membranes with low trans-membrane resistance. The prepared Al2O3 membranes show a special asymmetric structure with an outer skin
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USB2Hollow fibre membraneGoogle Patents
USB2 US12/811 241 USA USB2 US B2 US B2 US B2 US A US A US A US B2 US B2 US B2 Authority US United States Prior art keywords hollow fiber fiber membrane spinning mass range layer Prior art date Legal status (The legal status is an assumption and is not a
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Low cost palm oil fuel ash based ceramic membranes for
Therefore the aim of our study is to develop a low cost palm oil fuel ash (POFA) based ceramic hollow fiber ceramic membrane for oily water separation application. An asymmetric membrane structure consisting of sponge-like and macrovoid layers were acquired using a combined phase inversion and sintering technique.
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Preparation and Properties of Asymmetric Porous Aluminium
The prepared Al2O3 hollow fibre membranes show the asymmetric structure with a finger-like layer and a sponge-like layer. The effective porosity of the prepared hollow fibre membranes exceeds 47 and the bending strength of the hollow membranes exceeds 63 MPa.
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A New-Generation Asymmetric Multi-Bore Hollow Fiber
However the absence of suitable membranes with excellent wetting resistance and high permeation flux has severely hindered the VMD application as an effective water production process. This work presents a new generation multibore hollow fiber (MBF) membrane with excellent mechanical durability developed for VMD.
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Recent Development of Hollow Fiber PRO Membranes Request PDF
Asymmetric Al2O3 and PES/Al2O3 hollow fiber membranes for green tea extract clarification December 2019 · Journal of Food Engineering Marlon Menezes Maciel Bindes
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PES and PES/PAN Blend Ultrafiltration Hollow Fiber
For example the water content of the hollow fiber membranes increases from 72.1 to 82.7 when the PAN content in the spinning dope increases from 0 to 50 wt (of the total polymer concentration). The hydrophilicity of hollow fiber membranes was measured by a contact angle goniometer and is presented in Table V. From this table it can be
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A morphological study of ceramic hollow fibre membranes A
Asymmetric ceramic hollow fibre membranes and membrane supports have been prepared using a combined phase inversion and sintering technique for use in a multifunctional catalytic membrane reactor. The asymmetric structure is such that the fibre may simultaneously function either as a porous membrane and a matrix for catalyst deposition or as a porous support for the coating of a gas
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Preparation of Highly Permeable Al2O3 Hollow Fiber
Highly permeable porous alumina (Al2O3) hollow fiber membranes have been developed by a combined phase inversion and sintering technique. Ethanol substituting for water was used as the external coagulant in order to prepare Al2O3 hollow fiber membranes with low trans-membrane resistance. The prepared Al2O3 membranes show a special asymmetric structure with an outer skin
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Preparation of high-performance Al2O3/PES composite hollow
Oct 01 2017 · Overall the Al 2 O 3 /PES composite hollow fiber membrane prepared in this work showed promising performance that outperformed most of the state-of-the-art inorganic/organic composite membranes for UF. The work demonstrates that in-situ vapor induced hydrolyzation method can be a facile and economic way for preparation of high-performance
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Polydimethylsiloxane (PDMS) Composite Membrane Fabricated
25 Lai L Shao J Ge Q Wang Z Yan Y. The preparation of zeolite NaA membranes on the inner surface of hollow fiber supports. J Membr Sci – 410 318–28. link1 26 Huang K Dong Z Li Q Jin W. Growth of a ZIF-8 membrane on the inner-surface of a ceramic hollow fiber via cycling precursors. Chem Commun (Camb) 201349(87) 10326–8
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Morphological Investigation of Alumina Asymmetric Membrane
Morphological Investigation of Alumina Asymmetric Membrane by Manipulating the Sintering Temperature Profile. (Al2O3) hollow fiber membranes by a combined phase-inversion and sintering method Ceram. Intern. 29(2003) . DOI 10.1016/s(03) 7 S. Koonaphapdeelert K. Li Preparation and characterization of hydrophobic
Get PriceMorphological Investigation of Alumina Asymmetric Membrane
Morphological Investigation of Alumina Asymmetric Membrane by Manipulating the Sintering Temperature Profile. (Al2O3) hollow fiber membranes by a combined phase-inversion and sintering method Ceram. Intern. 29(2003) . DOI 10.1016/s(03) 7 S. Koonaphapdeelert K. Li Preparation and characterization of hydrophobic
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A New-Generation Asymmetric Multi-Bore Hollow Fiber
May 10 2013 · PVDF hollow fiber and nanofiber membranes for fresh water reclamation using membrane distillation. Journal of Materials Science 2014 49 (5) . DOI 10.1007/s. Peng Wang Lin Luo Tai-Shung Chung. Tri-bore ultra-filtration hollow fiber membranes with a novel triangle-shape outer geometry.
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Effect of sintering temperature of bauxite hollow fiber
Effect of sintering temperature between 1250°C and 1450°C on membrane porosity size of membrane pore hydrophilicity mechanical strength and water permeation were examined and the results were analyzed to determine the most suitable hollow fiber membrane for the application.
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PES and PES/PAN Blend Ultrafiltration Hollow Fiber
For example the water content of the hollow fiber membranes increases from 72.1 to 82.7 when the PAN content in the spinning dope increases from 0 to 50 wt (of the total polymer concentration). The hydrophilicity of hollow fiber membranes was measured by a contact angle goniometer and is presented in Table V. From this table it can be
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Miria REIS Universidade Federal de Uberlândia (UFU
Asymmetric Al2O3 and PES/Al2O3 hollow fiber membranes for green tea extract clarification Spinel hollow fiber membranes were succoessfully prepared by the phase inversion and sintering
Get PricePreparation of Blend Hydrophilic Polyetherimide-Cellulose
Membrane separation is known as an efficient technique for oily wastewater treatment. In the present study cellulose acetate (CA) was introduced into the polyetherimide (PEI) solution in order to enhance hydrophilicity and the membrane structure for oilâ€"water separation. The hollow fiber membranes were prepared via a phase-inversion process.
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Photocatalytic nanofiber-coated alumina hollow fiber
Mar 15 2019 · The asymmetric alumina (Al 2 O 3) hollow fiber membrane was fabricated according to the scheme established in a previous report. There are mainly three steps involved in the membrane preparation which are preparation of ceramic suspension spinning of hollow fiber precursor and sintering of the precursor.
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PES and PES/PAN Blend Ultrafiltration Hollow Fiber
For example the water content of the hollow fiber membranes increases from 72.1 to 82.7 when the PAN content in the spinning dope increases from 0 to 50 wt (of the total polymer concentration). The hydrophilicity of hollow fiber membranes was measured by a contact angle goniometer and is presented in Table V. From this table it can be
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Miria REIS Universidade Federal de Uberlândia (UFU
Asymmetric Al2O3 and PES/Al2O3 hollow fiber membranes for green tea extract clarification Spinel hollow fiber membranes were succoessfully prepared by the phase inversion and sintering
Get PriceFabrication of Dual-layer Hollow Fiber Ceramic Composite
Hollow fiber ceramic membranes have been widely accepted in membrane separation due to their advantages of high packing density low transfer resistance and long-period operation. Fabrication of highly-asymmetric hollow fiber membrane is helpful to achieve high flux as well as high rejection simultaneously. In this work dual-layer hollow fiber
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Al2O3 Al2O3–SiO2 and Al2O3–kaolin hollow fiber precursors were prepared by a wet-spinning method using polyethersulfone (PES) Al2O3 SiO2 and kaolin. The hollow fiber membranes were obtained
Get PriceA New-Generation Asymmetric Multi-Bore Hollow Fiber
May 10 2013 · PVDF hollow fiber and nanofiber membranes for fresh water reclamation using membrane distillation. Journal of Materials Science 2014 49 (5) . DOI 10.1007/s. Peng Wang Lin Luo Tai-Shung Chung. Tri-bore ultra-filtration hollow fiber membranes with a novel triangle-shape outer geometry.
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coagulation bath. Pores also are asymmetric and microporous controllable features that are a function of non-solvent-induced phase separation. These features help increase the flow rate and the efficiency of filtration oper-ations in PES separation membranes. The walls of hollow-fiber membranes are microporous and asymmetrical. The latter
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Koros Research Group Membrane Research
Oct 20 2019 · Simultaneously tuning dense skin and porous substrate of asymmetric hollow fiber membranes for efficient purification of aggressive natural gas. AIChE Journal. 2019 65(4) . Liu Y Chen Z Liu G Belmabkhout Y Adil K Eddaoudi M Koros W. Conformation-Controlled Molecular Sieving Effects for Membrane-Based Propylene/Propane Separation.
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