NAMS 2002 Workshop - ICOM 2008

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Nanostructured Membranes I – 1 – Keynote Monday July 14, 2:15 PM-3:00 PM, Moloka’i Novel Polymers of Intrinsic Microporosity (PIMs): Towards An Understanding of Structure-Property Relationships. N. McKeown (Speaker), Cardiff University, Cardiff, UK, mckeownnb@cardiff.ac.uk B. Ghanem, Cardiff University, Cardiff, UK K. Msayib, Cardiff University, Cardiff, UK P. Budd, Univesity of Manchester, Manchester, UK D. Fritsch, GKSS, Germany Polymers of Intrinsic Microporosity (PIMs) are materials that combine the processability of polymers with a high degree of microporosity arising from their rigid and non-planar structures that cannot fill space efficiently [1] . The rigidity is enforced by the polymer backbone being composed solely of fused-rings and the necessary sites of contortion are typically provided by spiro-centres or triptycenes. PIMs can be prepared either as highly insoluble network polymers or as soluble polymers (e.g. PIM-1, Fig. 1a and b) that are suitable for the fabrication of self-standing films, submicron coatings or fibres a unique advantage over conventional microporous materials. Their unique combination of properties (microporosity, thermal stability, solubility and structural diversity) makes them attractive for several applications [2] but they are particularly promising as membrane materials. In particular, a number of published examples of PIMs [3] display gas permeability data that lie above the Robeson plot [4] for the separation of important gas pairs (e.g. O2/N2, CH4,CO2), showing that they have good selectivity as well as high permeability. This presentation will describe recent work at Cardiff that has the objective of preparing new PIMs to afford a better understanding of polymer structure-property relationships. These PIMs are derived from the chemical synthesis of novel monomers based on triptycenes, spiro-bisindane and hexaazatrinaphthylene subunits, which are designed to possess greater microporosity and/or binding sites for the inclusion of metals as catalysts or for facilitated transport across the membrane. Attempts will be made to correlate the structure of the PIM with the degree of microporosity achieved, as assessed by low temperature gas adsorption, and their gas permeabilities. [1] P. M. Budd, B. S. Ghanem, S. Makhseed, N. B. McKeown, K. J. Msayib, C. E. Tattershall, Chemical Communications 2004, 230. [2] A recent review on PIMs: N. B. McKeown, P. M. Budd, Chemical Society Reviews 2006, 35, 675. [3] P. M. Budd, K. J. Msayib, C. E. Tattershall, B. S. Ghanem, K. J. Reynolds, N. B. McKeown, D. Fritsch, Journal of Membrane Science 2005, 251, 263.
[4] L. M. Robeson, Journal of Membrane Science 1991, 62, 165.
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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
Page 47 and 48: Polymeric Membranes I - 5 Monday Ju
Page 49 and 50: Biomedical and Biotechnology I - 1
Page 53 and 54: Acknowledgments The Authors acknowl
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Page 69 and 70: observed in two subsequence phenome
Page 71 and 72: Membrane Modeling I - Fundamental A
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Page 75 and 76: of the impact of the operating para
Page 77 and 78: Oral Presentation Abstracts Afterno
Page 79 and 80: Hybrid and Novel Processes I - 2 Mo
Page 81 and 82: Arora, M.B., J.A. Hestekin, S.W. Sn
Page 83 and 84: Conclusions Reverse electrodialysis
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Page 89 and 90: Nanofiltration and Reverse Osmosis
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Page 103 and 104: [3] P.M. Budd, K.J. Msayib, C.E. Ta
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Page 115 and 116: investigated at first. As a result,
Page 117 and 118: Desalination I - 2 Monday July 14,
Page 127 and 128: Composite Polymeric Membrane Format
Page 135 and 136: NAMS Alan S. Michaels Award - 1a Tu
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Page 139 and 140: opportunities for improving membran
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Nanofiltration and Reverse Osmosis
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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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Horizontal shrinkage does not have
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Absorption of water was determined
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Gas Separation II - 1 - Keynote Tue
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Gas Separation II - 2 Tuesday July
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concentration. These results are co
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Gas Separation II - 5 Tuesday July
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will be shown that homogeneous film
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which can adsorb on the surface of
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were collected, the viable bacteria
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pressure, and permporosimetry with
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Inorganic Membranes I - 3 Tuesday J
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Membrane Fouling - UF & Water Treat
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Membrane Modeling II - Gas Separati
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[10] Wang BG, Lv HL, Yang JC. Chem
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Membrane and Surface Modification I
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Gas Separation III - 1 - Keynote We
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Gas Separation III - 2 Wednesday Ju
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separation was next blended with di
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Polymeric Membranes II - 1 - Keynot
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Polymeric Membranes II - 3 Wednesda
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5. Erdodi, G.; Kennedy, J. P.; Prog
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observed for different locations in
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Biomedical and Biotechnology II - 3
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applied in the first two fields wil
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distribution of SBMA units within t
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5500 ppm (15 mM) was lowered to 30
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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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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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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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