Thermally rearranged polymeric membranes for gas separation

... 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

... 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

... 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

... 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

... (POSS) for carbon dioxide/hydrogen (CO2/ H2) and carbon/nitrogen (CO2/ N2) separation A high CO2 permeability of 380 Barrer with a moderate CO2/ N2 selectivity of 39.1 and a CO2/ H2 selectivity of 7.0 ... parameters of glassy polymers 2. 3 .2. 1 Sorption…………………………………………… 18 2. 3 .2. 2 Diffusion…………………………………………… 20 2. 3 .2. 3 Permeability………………………………………… .21 2. 3 .2. 4 S...

Ngày tải lên: 09/09/2015, 11:22

... TAILORING THE PROPERTIES OF GLASSY POLYMERIC MEMBRANES FOR ENERGY DEVELOPMENT LI FUYUN B Tech (Hons.), NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... porous or nonporous, the gas transport mechanisms vary from one to another The former is for the separation of gases on the basis of their molecular size throu...

Ngày tải lên: 09/09/2015, 17:56

... 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

... 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

... Introduction 1.1 Membrane Technology for Gas Separations 1.2 History of Gas Separation Membranes 1.3 Applications Based on Gas Separation Membranes 1.3.1 Hydrogen recovery ... [5]), liquid -gas (gas contactor [6]) and gas- gas separation (gas separation [7]) Compared to the convention separation processes, e.g., distillation or extraction, membrane based separations...

Ngày tải lên: 09/09/2015, 10:14

... POLYMERIC MEMBRANES BASED ON CO2- PHILIC MATERIALS FOR HYDROGEN PURIFICATION AND FLUE GAS TREATMENT CHEN HANG ZHENG (B Eng., National University of Singapore, Singapore) A THESIS SUBMITED FOR ... 687-689 [7] Song C, Introduction to hydrogen and syngas production and purification technologies In: Liu K, Song C, Subramani V, editors Hydrogen and syngas p...

Ngày tải lên: 09/09/2015, 17:55

... debate and the use of natural gas and hydrogen is recommended to alleviate global warming Membrane technology is a promising purification technique for hydrogen enrichment and natural gas sweetening ... technologies for hydrogen production via coal gasification [6] Natural gas and hydrogen (derived from natural gas and coal) emerge as the vital altern...

Ngày tải lên: 14/09/2015, 08:39