NAMS 2002 Workshop - ICOM 2008

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functional groups becomes available. The third approach is positron annihilation lifetime spectroscopy (PALS) technique, which can measure the mean size and size distribution of subnanometer-size vacancies in polymers. The published mean hole volume detected by PALS is employed to predict solvent diffusion coefficients with the help of the EOS. The predictions are generally consistent with published diffusion data. In addition, the analysis of hole size distribution can prove the reliability of the EOS-approach and group contribution-approach. The fourth approach is molecular simulation, which can investigate free- volume holes from microscopic point of view. The simulation is performed on PVAc and PMA, which are structural isomers of each other. The quantitative relation between the simulation and the free volume defined by the Simha-Somcynsky EOS, PALS measurements and free-volume theory is given. The infinite dilution diffusion coefficients in PVAc are predicted using simulation method, and the predictions are in good agreement with experimental data. This study provides a consistent feature to describe solvent transport in polymer matrix with both macro- and microscopic structure. The prediction ability of the original free-volume theory is improved by introducing the EOS and group contribution method. Therefore, the modified model is useful to understand mass transport in polymeric dense membranes and to develop a novel approach for membrane materials design. Acknowledgement The authors gratefully acknowledge the financial assistance from the Major State Basic Research Development Program of China (973 Program) (No. 2003CB615701) and the National Natural Science Foundation of China (No. 20676068). References [1] Yamaguchi T, Miyazaki Y, Nakao SI, Tsuru T, Kimura S. Ind Eng Chem Res, 1998, 37, 177. [2] Wang BG, Miyazaki Y, Yamaguchi T, Nakao SI. J Membr Sci, 2000, 164, 25. [3] Wang BG. Membrane design for organic mixture separation [Ph.D. Dissertation]. University of Tokyo, Japan, 2000. [4] Vrentas JS, Duda JL. J Polym Sci Polym Phys Ed, 1977, 15, 403. [5] Zielinski JM, Duda JL. AIChE J, 1992, 38, 405. [6] Hong SU. Ind Eng Chem Res, 1995, 34, 2536. [7] Vrentas JS, Vrentas CM. Macromolecules, 1994, 27, 4684. [8] Yamaguchi T, Wang BG, Matsuda E, Suzuki S, Nakao SI. J Polym Sci Polym Phys, 2003, 41, 1393. [9] Lv HL, Wang BG. J Polym Sci Polym Phys, 2006, 44, 1000.
[10] Wang BG, Lv HL, Yang JC. Chem Eng Sci, 2007, 62, 775. [11] Lv HL, Wang BG, Yang JC. Polym J, 2007, 39, 1167.
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ICOM 2008 Oral Presentation Proceed
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Professor Yoram Cohen Professor Joh
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ICOM 2008 Staff: The University of
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ICOM 2008 Workshop Schedule: Saturd
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Monday, July 14 - Afternoon Session
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Tuesday, July 15 - Afternoon Sessio
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8:15AM 8:35AM EMS Barrer Prize (Mau
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Friday, July 18 - Morning Sessions
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Oral Presentation Abstracts Morning
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Gas Separation I - 1 - Keynote Mond
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esulting permeability selectivity o
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chain packing. To ensure a well pha
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Gas Separation I - 5 Monday July 14
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satisfactory way the corresponding
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Drinking and Wastewater Application
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an adjusted water management in the
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prospect for new energy sources as
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oxygen removal to the desired pH. C
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(Cl - , SO4 2- , As(V)) and water t
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[1] R. Lima de Miranda, J. Kruse, K
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Polymeric Membranes I - 4 Monday Ju
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Polymeric Membranes I - 5 Monday Ju
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Biomedical and Biotechnology I - 1
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Acknowledgments The Authors acknowl
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isolation of CD34+ cells was achiev
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membranes were then challenged with
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in crossflow mode operation were in
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hydroxide. For Mg/Ca = 0, the fouli
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improvement of filterability also t
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scale where fouling rates are commo
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observed in two subsequence phenome
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Membrane Modeling I - Fundamental A
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Membrane Modeling I - Fundamental A
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of the impact of the operating para
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Oral Presentation Abstracts Afterno
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Hybrid and Novel Processes I - 2 Mo
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Arora, M.B., J.A. Hestekin, S.W. Sn
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Conclusions Reverse electrodialysis
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energy recovery. This is a remarkab
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eaction with mediator due to the co
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Nanofiltration and Reverse Osmosis
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4.3x10 -6 to 7.4x10 -6 cm 2 /s. Bas
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The development of these membranes
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permeability, defined as water perm
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supports including charged (PSF/SPE
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[4] L. M. Robeson, Journal of Membr
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y conventional polymers and provide
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[3] P.M. Budd, K.J. Msayib, C.E. Ta
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Nanostructured Membranes I - 5 Mond
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Fuel Cells I - 1 Monday July 14, 2:
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investigated at first. As a result,
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Desalination I - 2 Monday July 14,
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Composite Polymeric Membrane Format
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NAMS Alan S. Michaels Award - 1a Tu
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NAMS Alan S. Michaels Award - 2 Tue
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opportunities for improving membran
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NAMS Alan S. Michaels Award - 4b Tu
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[4] K. Vanherck et al. Accepted for
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accumulation had a strong effect on
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and, if so, to develop correlations
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non-porous and porous membranes are
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[2] Palmeri, J., Sandeaux, R. Sande
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fouling. Information obtained from
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This work performed under the auspi
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etween Ru(bi-pyridine)3 2+ and meth
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[1] M. Barboiu, C. Luca, C. Guizard
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Nanostructured Membranes II - 5 Tue
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Nanostructured Membranes II - 6 Tue
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than 10 nm. XRD data suggest that t
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Pervaporation and Vapor Permeation
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ethanol/butanol (non solvent) combi
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forward osmosis, the RO process is
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Osmotically Driven Membrane Process
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References: [1] Stupp, S. I.; Lebon
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temperatures might bring about the
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References [1] S. Benita, Microenca
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solvent, were investigated (where a
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ease of manipulation as this allows
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Page 215 and 216: concentration. These results are co
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Page 219 and 220: will be shown that homogeneous film
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Page 223 and 224: Drinking and Wastewater Application
Page 229 and 230: were collected, the viable bacteria
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Page 233 and 234: Inorganic Membranes I - 3 Tuesday J
Page 239 and 240: Membrane Fouling - UF & Water Treat
Page 251 and 252: Membrane Modeling II - Gas Separati
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Page 261 and 262: Membrane and Surface Modification I
Page 267 and 268: Oral Presentation Abstracts Morning
Page 269 and 270: Gas Separation III - 1 - Keynote We
Page 271 and 272: Gas Separation III - 2 Wednesday Ju
Page 273 and 274: separation was next blended with di
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increasing the effective size of th
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etween 0 and 1), the automatic feed
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Membrane Modeling III - Process Sim
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Membrane Modeling III - Process Sim
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models developed suggests that ther
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start level has a huge impact on th
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Ultra- and Microfiltration I - Tran
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all three binary protein UF systems
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Synthetic solutions of ±-lactalbum
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Oral Presentation Abstracts Morning
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Gas Separation IV - 2 Thursday July
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6. T. C. Merkel, Z. He, I. Pinnau,
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EMS Barrer Prize - 1b Thursday July
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EMS Barrer Prize - 3 Thursday July
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EMS Barrer Prize - 4b Thursday July
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EMS Barrer Prize - 5 Thursday July
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therapy options have been modelled
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Ultra- and Microfiltration II - Pro
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in the vicinity of the rising bubbl
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of feed water ionic strength) on re
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technology that has gained growing
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Optimize polymeric membranes for sa
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Inorganic Membranes II - 2 Thursday
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confirms that the carbon dioxide pe
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permeability, stability issues comp
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Fuel Cells II - 2 Thursday July 17,
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5. Conclusion In this work, the evo
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Oral Presentation Abstracts Afterno
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an essentially pure H2 product is c
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In the presentation, we will presen
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was observed, indicative of the sim
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References Arora, M.B., J.A. Hestek
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performance of fibers is analyzed a
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Membrane Fouling III - RO & Biofoul
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[4] H. Noureddini, Book of Abstract
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component (PX, OX) separation via p
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Generally these results were in goo
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introduction of methyl groups into
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separation quality (10 µS/cm) and
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Desalination II - 3 Thursday July 1
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drop are linearly related (although
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antiscalant oxidation has been limi
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Membrane and Surface Modification I
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oth 15±5 kDa, which suggests that
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Atomic Force Microscopy (AFM), and
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y single gas permeation experiments
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PDMS toplayers were only partially
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noting that cross-linking agents co
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such extended parameter space in th
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Hybrid Membranes - 6 Thursday July
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Plenary Lecture III Friday July 18.
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Gas Separation V - 1 - Keynote Frid
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References: [1] H. Lin, E. Van Wagn
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elative contributions of Fickian di
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Gas Separation V - 4 Friday July 18
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Gas Separation V - 6 Friday July 18
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Electron Microscopy (TEM) analyses
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- Hybrid RO train: A hybrid RO trai
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concentration as well as on the sod
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scaling deposits in the DCMD device
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Silica colloidal solution with diff
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Membrane Fouling IV - RO & Desalina
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Polyacrylonitrile (PAN) UF membrane
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the polymer dope was PEI (12 wt%),
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Inorganic Membranes III - 1 - Keyno
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Inorganic Membranes III - 2 Friday
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CO2/H2 selectivity at high temperat
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ammonia complexes in aqueous soluti
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possible to have a membrane capable
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fired boiler flue gas, SOx and merc
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EPR/Ago/p-benzoquinone composite sh
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elated to the presence of free elec
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surroundings. When the temperature
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that no absorbent was detected in t
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days of filtration from 120 to 7-10
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was performed to restore membrane f
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with the SRT of 65 days, no correla
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Results Critical flux measurements
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MLSS is not directly proportional t
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Fuel Cells III - 2 Friday July 18,
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Fuel Cells III - 4 Friday July 18,
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Ultra- and Microfiltration III - Me
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can be deduced from the imaginary p
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membranes. The analysis of the ligh
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Membrane Contactors - 2 Friday July
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absorption liquid in the pores of t
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Packaging and Barrier Materials - 1
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Historically, all the approaches de
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