Modification of polyimide membranes for gas separation

... 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

... 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

... 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

... 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

... (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

... 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

... 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

... SURFACE MODIFICATION OF FERROMAGNETIC NANOPARTICLES FOR SEPARATION OF TOXIC HEAVY METALS AND ENVIRONMENTAL APPLICATIONS ZAYED BIN ZAKIR SHAWON B.Sc (Chemical ... cost of separation of detrimental pollutants like heavy metals Recently, scientists have focused on the development of the nanomaterials as adsorbents for the separations of biomolecules,...

Ngày tải lên: 08/09/2015, 19:41

... 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

... 2002) 12 Regulating Phytonutrient Levels in Plants 311 12.5.4 Metabolic Engineering of the Flavonoid Biosynthetic Pathway in Tomato There is a growing interest in producing food plants with increased ... underlie the importance of 12 Regulating Phytonutrient Levels in Plants 293 light-responsive hp mutations in modulating phytonutrient content in plants,...

Ngày tải lên: 25/10/2013, 05:20

... the electrical and gas sensing behavior of ZnO nanowires Fig Characteristics of In3 O2 nanowires: (a) SEM image of In3 O2 nanowires, (b) TEM image of nanowire 70 nm in width, and (c) ED pattern ... image of a nanowire, and (e) linescan of the HAADF signal (solid line) and numerical fit of the shape of the nanowire (dashed line) As both composition and phase ca...

Ngày tải lên: 16/03/2014, 15:25

... DEVELOPMENT OF MULTIFUNCTIONAL MEMBRANES FOR VISUAL DETECTION AND ADSORPTIVE REMOVAL OF HEAVY METAL IONS FROM AQUEOUS SOLUTIONS ZHANG LINZI (B Eng., Xi’an Jiaotong ... to develop multifunctional membranes for visual detection and removal of heavy metal ions in aqueous solutions Lead (Pb), mercury (Hg) and cadmium (Cd) were selected...

Ngày tải lên: 09/09/2015, 17:52

... THE DEVELOPMENT OF PERVAPORATION MEMBRANES FOR ALCOHOL DEHYDRATION QIAO XIANGYI (MSc (Env Eng.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... co-polyimide membranes for the pervaporation dehydration of IPA 9.1.3 169 The sorption, swelling and permeation characteristics of P84 co-polyimide membranes for...

Ngày tải lên: 14/09/2015, 14:01

... 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