Dual layer asymmetric hollow fiber membranes for gas separation

... coextrusion dual- layer hollow fiber formation • Morphology characterization on resultant dual- layer hollow fibers • Examination of gas separation performance of resultant dual- layer hollow fibers ... delamination-free dual- layer membranes 122 5.3.2 Fabrication of 6FDA–durene–mPDA/PES dual- layer membranes for gas separation 5.3.3 126 Separation perfo...

Ngày tải lên: 16/09/2015, 17:11

... evaporation of low boiling solvents is the key factor for the formation of defect-free gas separation hollow fiber membranes [17, 21] 1.1.3 The effects of air-gap on hollow fiber formation Air-gap ... and Literature Review on Hollow Fiber Formation for Gas Separation ……… ……………………………….1 1.1 Formation of hollow fiber membranes by phase inversion…………………...

Ngày tải lên: 14/09/2015, 08:46

... DEVELOPMENT OF CHITOSAN- BASED BLEND HOLLOW FIBER MEMBRANES FOR ADSORPTIVE SEPARATION IN ENVIRONMENTAL ENGINEERING AND BIOENGINEERING APPLICATIONS LIU CHUNXIU (B.Sc., ... spectra of CS and Pure CA hollow fiber membranes and CS/CA blend hollow fiber membranes 0.5-26.5-OH and 1-26-OH 64 Figure 3.4 XRD diffractograms of CS and Pure CA h...

Ngày tải lên: 14/09/2015, 11:42

... including the review of nanofiltration, industrial applications of nanofiltration, especially the applications for sustainable pharmaceutical manufacture, fabrication of nanofiltration membranes, and ... 1.3 Applications of nanofiltration membranes 1.3.1 General applications 1.3.2 NF membranes for sustainable pharmaceutical manufacture 1.4 Fabrication of...

Ngày tải lên: 12/09/2015, 11:29

... DEVELOPMENT OF NOVEL CHITOSAN- BASED HOLLOW FIBER MEMBRANES FOR APPLICATIONS IN WATER TREATMENT AND BIOENGINEERING HAN WEI (B Eng., Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF ... of CS -based adsorptive hollow fiber membranes The hollow fiber membranes developed will then be studied for the application of wastewater treatment...

Ngày tải lên: 14/09/2015, 08:49

... iv SUMMARY Extractant Impregnated Hollow Fiber Membranes (EIHFM) is a novel technology for the removal of pollutants from wastewater Its advantage over conventional supported liquid membranes ... of the hollow fiber (m) xi Knudsen diffusivity (m²/s) Log-mean diameter of the hollow fiber (m) Effective diffusivity of phenol through EIHFM pores (m²/s) Outer diameter o...

Ngày tải lên: 30/09/2015, 10:12

... dense / asymmetric membranes to hollow fiber membranes It comprises the understanding of pervaporation transport process, the development of novel hollow fiber pervaporation membranes based on ... hollow fiber membranes especially as pervaporation dehydration membranes The development of novel hollow fiber pervaporation membranes is theref...

Ngày tải lên: 16/10/2015, 15:38

... for gas separation .4 1.3  Technology milestones of gas separation membranes .6 1.4  New classes of membrane materials 1.5  Polymers of intrinsic microporosity (PIMs) based membranes ... POLYMERS OF INTRINSIC MICROPOROSITY (PIM)- BASED MEMBRANES FOR GAS SEPARATION YONG WAI FEN (B Eng (Chemical) (Hons.), University Putra Malaysia) A THESIS SUBMI...

Ngày tải lên: 09/09/2015, 11:27

... Literature review on thermally rearranged membranes for gas separation Thermally rearranged polymer membranes were studied for gas separation since 1990s Okamoto et al [19] studied the gas permeability ... Objective 1.1 Membranes for gas separation 10 1.2 Highly permeable polymer membranes for gas separation 11 1.3 Thermally rearranged polymeric...

Ngày tải lên: 10/09/2015, 09:27

... Comparison of separation performance for hollow fiber membranes between the O2/N2 mixed gas and pure gas measurements……… … 245 Table B.3 Comparison of separation performance for hollow fiber membranes ... FABRICATION AND CHARACTERIZATION OF COMPOSITE MEMBRANES FOR GAS SEPARATION JIANG LANYING (B Sci., Wuhan University, P R China) A THESIS SUBMITTED FOR...

Ngày tải lên: 12/09/2015, 11:24

... multitude applications of gas separation membranes are listed in Table 1.2 The major applications for gas separation membranes are discussed Table 1.2: Industrial applications of gas separation membranes ... development of membrane gas separation technology [14] Figure 1.2: Milestones on the development of membrane gas separations [14] 1.2 IMPORTANCE OF...

Ngày tải lên: 14/09/2015, 22:06

... MODIFICATION OF POLYIMIDE MEMBRANES FOR GAS SEPARATION XIAO YOUCHANG (B Sc, Xiamen University, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... Cross-linking Modification of Polyimide Membranes Induced by Amino Terminated Dendrimers……………………………………… 170 8.1.2 Carbonization of Polyimide Membranes to Enhance the Gas...

Ngày tải lên: 15/09/2015, 17:10

... modification 13 iii Polyimides Modifications and Carbon Molecular Sieves Derived from Polyimides for Gas Separation Shao Lu 1.4 Carbon Molecular Sieve Membranes (CMSMs) for Gas Separation 14 1.5 ... Polyimides Modifications and Carbon Molecular Sieves Derived from Polyimides for Gas Separation Shao Lu LIST OF TABLES Table 1.1 Membrane...

Ngày tải lên: 16/09/2015, 15:54

... Membrane Gas Separation ………………………….9 1.2 Industrial Applications of Membrane Gas Separation …………………….10 1.3 Engineering Principles for Membrane Gas Separation ……………………14 1.3.1 Membrane Materials ... necessities for successful gas separation membranes and strategies for the design of membranes systems must be identified In general, the chemical engineering of mem...

Ngày tải lên: 16/09/2015, 17:14

... DUAL- LAYER HOLLOW FIBER MEMBRANE DEVELOPMENT FOR FORWARD OSMOSIS AND OSMOSIS POWER GENERATION FU FENG JIANG (B.Eng., Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF ... thickness in various dual- layer hollow fiber membranes Table 3.2 30 A comparison of mechanical properties of the PBI-PBI dual- layer and PBI-PAN-P0.5 dual- layer hollow f...

Ngày tải lên: 04/10/2015, 17:06