university of science and technology beijing

... Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2012 iii ACKNOWLEDGEMENTS First and ... understanding of gas permeation and separation in the two PIMs is useful for the new development of polymer membranes with high permeability and selectivity vi Permeation and separation of CO2 and ... cm2/s] and permeabilities [barrer] of CO2 and N2 in PIM-1, TFMPS-PIM and CXPIM, respectively The experimental temperature and pressure were 303 K and 0.2 bar, 298 K and 3.4 bar, 308 K and atm...

Ngày tải lên: 09/09/2015, 10:09

... University of Technology, M Eng., Tianjin University, Tianjin, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ENGINEERING DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY ... displacements of [BMIM]+ and [PF6] in IL/IRMOF-1at WIL/IRMOF-1 = 0.4, 0.86 and 1.27 124  Figure 8.9 Reduced velocity correlation functions of [BMIM]+ and [PF6] in IL/IRMOF-1 at WIL/IRMOF-1 ... number of MOFs, here we specifically introduce typical examples of MOFs, such as IRMOFs, zeolitic imidazolate frameworks (ZIFs), covalent organic frameworks (COFs), zeolite-like MOFs (ZMOFs), and...

Ngày tải lên: 09/09/2015, 18:52

... permeability and ideal CO2/H2 and CO2/N2 selectivity due to the plasticization effect of CO2 vii LIST OF TABLES Table 2.1 Mean free path of gases at °C and atm……………………… 11 Table 2.2: Kinetic diameter and ... for offshore applicationand lack of robustness for feed composition variations [6] More and more offshore platforms require compact and environmentally friendly separation processes Membrane technology ... dependence of gas transport can be described by the Arrhenius-van’t Hoff equations [14], where ED and EP are the activation energies of diffusion and permeation respectively and ΔHS is the enthalpy of...

Ngày tải lên: 09/09/2015, 11:22

... Science and Research of Australian Government through the Indo-Australian Science and Technology Fund and the Australian Research Council The authors gratefully acknowledge the support and use of ... http://www.nanoscalereslett.com/content/6/1/637 Page of Figure TGA curves of silicalite nanocrystals, polysulfone substrate and PFA, and silicalite-PFA composite membranes Figure SEM images of the cross-section view of the membranes ... the selectivity of O2 to N2,  is the ratio of product to feed gas pressures, and 0.21 is the fraction of oxygen in the feed air Results and discussion Silicalite nanocrystals and silicalite-PFA...

Ngày tải lên: 20/06/2014, 23:20

... understanding and love iii TABLE OF CONTENT DECLARATION i ACKNOWLEDGEMENT .ii TABLE OF CONTENT iv SUMMARY viii LIST OF TABLES x LIST OF ... properties of SIPN membranes 97 Table 5.3 Oxidative and hydrolytic stability of SIPN membranes 103 Table 6.1 Numbers of bound water, free water in membranes and number of water ... permeability of Nafion® 117 and SIPN membranes 60 Figure 3.12 Characteristic factor of Nafion® 117 and SIPN membranes 61 Figure 3.13 Single-stack DMFC tests of Nafion® 117 MEA and an EDA-5/1/0.75...

Ngày tải lên: 09/09/2015, 10:14

... ENVIRONMENTAL ANALYSIS by GE DANDAN (M.Sc., NATIONAL UNIVERSITY OF SINGAPORE) A THESIS SUBMITTED FOR THE DEGREE OF PHILOSOPHY DEPARTMENT OF CHEMISTRY NATIOANAL UNIVERSITY OF SINGAPORE 2012 Thesis ... work of Ge Dandan, performed independently under the supervision of Professor Lee Hian Kee, (in the laboratory of Microscale Analytical Chemistry), Chemistry Department, National University of ... Naing and Huang Zhenzhen who gave me their help and advice during my candidature I would also thankful to Mdm Lim Guek Choo, Dr Liu Qiping and many other laboratory officers in the Department of...

Ngày tải lên: 09/09/2015, 10:18

... Sungkyunkwan University Department of Polymer Science and Engineering THUY LE TRUONG THESIS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Jae-Do Nam, Professor Vapor-phase Polymerized Thin Films and Seeding-polymerized ... Requirements for the Degree of Master of Science in Polymer Science and Engineering (Master Program) 2007 04 Sungkyunkwan University Department of Polymer Science and Engineering THUY LE TRUONG ... THESIS FOR THE DEGREE OF MASTER OF SCIENCE Advisor: Jae-Do Nam, Professor Vapor-phase Polymerized Thin Films and Seeding-polymerized Nanofibers Membranes of Poly(3,4-ethylenedioxythiophene)...

Ngày tải lên: 22/05/2016, 16:57

... Synthesis of nanorods 2.1 Materials The mixture for the synthesis of iron oxide nanorods contained mL of freshly dried [BMIM][Tf2 N], 40 ␮L (0.13 mmol) of oleic acid, 43 ␮L (0.09 mmol) of oleylamine and ... synthesis and separation procedures In a typical synthesis of iron oxide nanoparticles, freshly dried [BMIM][Tf2 N] was mixed with predetermined amount of oleic acid, oleylamine and 1,2-hexandecandiol ... Fig (A and B) TEM images, (C) SAED, and (D) PXRD patterns of iron oxide nanorods made at Fe(CO)5 concentration of 0.15 M and Fe(CO)5 :1,2-hexadecanediol:oleic acid:oleylamine molar ratio of 6:2.7:1:0.7...

Ngày tải lên: 20/03/2014, 13:08

... Laboratory of MemPo, the Laboratory of Membrane Technology and Technical Polymer Chemistry at Lappeenranta University of Technology (LUT), as Research Assistant, Researcher and Associate Professor ... Membrane Technology in Water and Wastewater Treatment Emerging Separation and Separative Reaction Technologies for Process Waste Reduction Ultrafiltration and Microfiltration Handbook Handbook of Industrial ... wide range of applications within both urban and industrial environments He has contributed to and co-authored a number of books on both water recovery and reuse and membrane processes, and has...

Ngày tải lên: 22/03/2014, 12:20

... Ethiopia and Wageningen University, Dept Agrotechnology and Food Sciences Bomenweg Postbus 8129 6703 HD, Wageningen The Netherlands Remko M Boom Wageningen University, Dept Agrotechnology and Food Sciences ... Applications of Milk Nanofiltration (NF) and Reverse Osmosis (RO) 50 Treatment of Cheese Whey and Fabrication of Yogurts 50 Treatment of Dairy Effluents 51 Dynamic Filtration 51 Principle and Advantages of ... Department of Chemical Engineering 3202 Bell University of Arkansas Fayetteville, AR 72701-1201 USA EriKa Mascheroni Department of Food Science and Microbiology (DISTAM) University of Milan Via...

Ngày tải lên: 02/04/2014, 15:04

... Department of Chemical and Biological Engineering University of Ottawa 161 Louis Pasteur, Ottawa, Ont K1N 6N5 Canada takeshi_mtsr@yahoo.ca, matsuura@eng.uottawa.ca Dipak Rana Department of Chemical and ... Professor during the years 2009 and 2010, which enabled him to contribute several chapters to the book D Rana and T Matsuura would also like to thank the staff of the Department of Chemical and ... easily be fabricated and they have very unique features of high selectivity and permeability Therefore, the purpose of this book review is to give an overview of the development of carbon molecular...

Ngày tải lên: 02/04/2014, 15:45

... senior and young scientists and engineers with the main idea of discussing the fundamentals and practice of solvent extraction (SX) and liquid membranes (LM) and to grow the new ideas and trends ... Institute of Technology in Stockholm, Sweden, where he completed his Ph.D studies under the supervision of Professor E Hogfeldt In 1976 he returned to Spain and was assistant professor of inorganic and ... Santander, Spain Josef Havel Department of Analytical Chemistry Faculty of Science Masaryk University Kotlarska, Czech Republic Karel Jeřábek Institute of Chemical Process Fundamentals Academy of...

Ngày tải lên: 02/04/2014, 16:36

... in terms of flexibility and ease of operation Therefore, for any type of membranes the chemical stability and/ or thermal stability are of significant concern with respect to its life and operation ... Journal of Colloid and Interface Science 314 (2007) 589–603 Fig Hydrogen and helium permeance (with the feed of 1:1 hydrogen and helium mixture) through a 200 nm thick Pd/Ag membrane before and after ... formulation and preparation procedures of sols to the gel point, as well as the proceeding aging, drying, and heat treatment of 598 G.Q Lu et al / Journal of Colloid and Interface Science 314...

Ngày tải lên: 13/05/2014, 01:01

... understanding of locomotion for the treatment of World War II veterans The classic work at the University of California [5,6] provided a tremendous resource of knowledge related to the mechanics of ... poses of the human form consisted of 3D surfaces and had an average volume of 68.01 ± 0.06 liters Visual hulls of different quality using 4, 8, 16, 32 and 64 cameras with a resolution of 640 ... values of visual hulls as a function of position and pose in the viewing volume (a) Volume values of visual hulls as a function of position and pose in the viewing volume (b) Average, and max...

Ngày tải lên: 19/06/2014, 10:20

... properties of the novel Au/[Bmim][PF6] nanofluids, and two major strategies are pursued in our studies: (1) the effects of the stability of nanofluids on their properties, and (2) the improvements of ... Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2Key Laboratory of Colloid and Interface Chemistry, Shandong University, ... investigation of heat transfer mechanism in nanofluids Thus, the TC of Au/[Bmim][PF6 ] nanofluids was measured as a function of temperature in our following work Figure 11 shows the TC of [Bmim][PF6] and...

Ngày tải lên: 21/06/2014, 04:20

... results of a morphological analysis of the outer APA surface of the samples fabricated during the anodizations of Fig are displayed By means of AFM, both the outer pore mouth diameter dout and the ... reaction in spite of the oxalic acid and/ or water oxygen, and the latter being very easily soluble in water Sample Characterization The APA outer and inner surfaces were imaged by means of atomic force ... between the chemical dissolution rate of the pores and the diffusion rate of the ions involved in the chemical reactions of the anodization (namely the incoming O2- and the outcoming Al3?, with respect...

Ngày tải lên: 22/06/2014, 00:20

... Laboratory of MemPo, the Laboratory of Membrane Technology and Technical Polymer Chemistry at Lappeenranta University of Technology (LUT), as Research Assistant, Researcher and Associate Professor ... Membrane Technology in Water and Wastewater Treatment Emerging Separation and Separative Reaction Technologies for Process Waste Reduction Ultrafiltration and Microfiltration Handbook Handbook of Industrial ... wide range of applications within both urban and industrial environments He has contributed to and co-authored a number of books on both water recovery and reuse and membrane processes, and has...

Ngày tải lên: 27/06/2014, 17:20

... Laboratory of MemPo, the Laboratory of Membrane Technology and Technical Polymer Chemistry at Lappeenranta University of Technology (LUT), as Research Assistant, Researcher and Associate Professor ... Membrane Technology in Water and Wastewater Treatment Emerging Separation and Separative Reaction Technologies for Process Waste Reduction Ultrafiltration and Microfiltration Handbook Handbook of Industrial ... wide range of applications within both urban and industrial environments He has contributed to and co-authored a number of books on both water recovery and reuse and membrane processes, and has...

Ngày tải lên: 27/06/2014, 17:20

... Laboratory of MemPo, the Laboratory of Membrane Technology and Technical Polymer Chemistry at Lappeenranta University of Technology (LUT), as Research Assistant, Researcher and Associate Professor ... Membrane Technology in Water and Wastewater Treatment Emerging Separation and Separative Reaction Technologies for Process Waste Reduction Ultrafiltration and Microfiltration Handbook Handbook of Industrial ... wide range of applications within both urban and industrial environments He has contributed to and co-authored a number of books on both water recovery and reuse and membrane processes, and has...

Ngày tải lên: 27/06/2014, 17:20

... Laboratory of MemPo, the Laboratory of Membrane Technology and Technical Polymer Chemistry at Lappeenranta University of Technology (LUT), as Research Assistant, Researcher and Associate Professor ... Membrane Technology in Water and Wastewater Treatment Emerging Separation and Separative Reaction Technologies for Process Waste Reduction Ultrafiltration and Microfiltration Handbook Handbook of Industrial ... wide range of applications within both urban and industrial environments He has contributed to and co-authored a number of books on both water recovery and reuse and membrane processes, and has...

Ngày tải lên: 28/06/2014, 00:20