advances in filtration and separation technology volume 7 · advances in filtration and separation...
TRANSCRIPT
Advances in Filtrationand
Separation Technology
VOLUME 7
System Approach To Separation AndFiltration Process Equipment
Wallace Woon-Fong Leung, Editor
UB/TIB Hannover 89112 012 248
American Filtration Society
TABLE OF CONTENTS
Introductory Remarks i
Table of Contents iii
FLUID-PARTICLE FUNDAMENTALS INFILTRATION AND SEPARATION
A 1.1 Pressure Gradients in Flows Through Porous Wire Mesh withNon-Uniform PorosityG. Chase and J. Soma 1
A 1.2 A Numerical Method for Filtration SimulationsA.J. Chamkha and J. Peddieson, Jr 5
A 1.3 Permeability, Liquid and Solid Velocity, and Effective StressVariations in Compressive Cake FiltrationS.A. Wells and R. Dick 9
A1.4 Fine Particle Retention in Forming Fibrous CakesB.V. Ramarao and C. Tien 13
A 1.5 Transit Time Technique for Simultaneous Measurement of Particle Sizeand Velocity in SlurriesM. Assar, V. Kadaba, C. Yurteri, and J. R. Kadambi 25
A 1.6 Adsorption of Some Organic Vapors by NaCl Aerosol ParticlesP.K. Wang, H.M. Lin, and K.H. Leong 30
A 1.7 Numerical Simulation of Particle Trajectories and InterceptionEfficiencies of the Multi-Fiber FiltersZ. Liu and P.K. Wang 34
COLLOIDAL PHENOMENA IN F&S
A2.1 Role of Retained Particles in Particle Deposition: Measurementsand ModellingM. Elimelech and D. Liu 39
A2.2 Factors Affecting Floe Density in Stirred SuspensionsH.J. Chung and J. Gregory 41
A2.3 Flocculation Studies of Contaminated Sediments in the Buffalo River, NYC.W. Smith, R.H. Church and B.J. Scheiner 42
A2.4 Enhanced Filtration of PhosphogypsumB.M. Moudgil and S. Zhu 43
A2.5 The Influence of Surface Forces in the Selective Coagulation ofUltrafines in Low Intensity Magnetic FieldsR. Pugh
Belated papers included in back of proceeding book.
ADVANCES IN GAS PARTICLE SEPARATION TECHNOLOGY
A3.1 Research on Automotive Cabin Air FiltersK. Rubow, and B. Liu 44
A3.2 Aerosol Filtration with Steel Fiber FiltersW. Bergman, K. Wilson, G. Larsen, R. Lopez, and I. Corey *50
A3.3 Aerosol Deposition in Granular Media - A Simulation StudyY.W. Jung and C. Tien 51
A3.4 Gas Cleaning by Utilization of a New Concept of ParticleSeparation Based on Turbulent Transport and GravityF.A.L. Dullien, W. Kwan, and A. Collins 52
ADVANCES IN CYCLONING
A4.1 In-Situ Testing of Plant Separators and Their Subsequent Usefor On-Line Monitoring of Particle SizeL. Svarovsky and J. Svarovsky 56
A4.2 Separation of Coal-Oil Agglomerates in a HydrocycloneS. Yu and S.H. Chiang 61
A4.3 Application of Agglomeration Model to the Cyclone Separationof Cohesive ParticlesD.S. Schuster and S. Desikan 65
NOVEL SEPARATION AND DEWATERING TECHNIQUES/EQUffMENT
A5.1 Recent Developments in S/L Separation TechnologyH.S. Muralidhara 66
A5.2 Heavy Metal Removal with the Gore Backpulse/duPont-Oberlin(Site) TechnologyE. Mayer 67
A5.3 Lime Sludge DewateringR.J. Sturt 68
A5.4 Metal Finishing Wastewater Pressure Filter OptimizationS.W. Norford, G.A. Diener, and H.L. Martin *69
A5.5 New Horizons in the Filter Press TechnologyW. Rummel 70
A5.6 The Membrane Belt Filter: An Innovative Breakthrough inSolid-Liquid SeparationJ. Cruver and C. Lee *71
A5.7 Two-Stage Dewatering Reduces Filter SizingS. Davis 72
ELECTRICALLY ENHANCED F&S
A6.1 Review of Theory and Practice of Electrostatic PrecipitatorsD. Pontius 73
A6.2 Characterizing Light Basis Weight Electret Filter Media inthe 0.1 to 7 urn Particle Size RangeZ. Zhang 77
A6.3 Recent Developments in Electrostatic PrecipitatorsR. Crynack 82
A6.4 Continuous Production of High Purity Water Using ElectrodeionizationM. Accomazzo 83
A6.5 The Use and Evaluation of Electrostatic Oil FiltrationD. Robertson 87
A6.6 Electric-Field Enhanced Solvent ExtractionO. Basaran, T. Scott, D. DePaoli, and M. Harris 96
FILTER MEDIA AND FILTER AIDS
A7.1 Recent Development of Metal Fiber Filter Media in FineGas and Polymer FiltrationR. De Bruyne 97
A7.2 A Generalization of the Darcy Equation to RepresentTransient Filter BehaviorN.H. Andreas 102
A7.3 Characteristics of Perlite FilteraidsW. G. Blunt 106
A7.4 High Density Filter Aids Can Save You MoneyR. S. Rieber 110
A7.5 Polymer Melt Filtration PrinciplesT. Black *
A7.6 High Performance Functional Paper for Use as Filter MediaD. Stepuszek and J. Hirose I l l
SPECIAL TOPICS ON FILTER MEDIA
A8.1 Pore Size and Permeability of Cellulosic Filtration MediaK.J. Choi 115
A8.2 Microfiltration Applications with Flash-Spun Polyolefin Filter MediaH.S. Lim and P.S. Kochar 119
A8.3 Meltblowing Web Products for FiltrationC.B. Hassesboehler and L.C.Wadsworth 129
A8.4 High Temperature Ceramic Fiber in Filtration ApplicationsA. C. Ferguson 133
A8.5 Vehicle Interior Air Filters-A Tough New MarketA.H. Cashin 142
A8.6 The Effect of Different Shaped Cross-Sectional Microfibers on FiltrationI. Ushe 146
ENVIRONMENTAL ISSUES, ECONOMICS, & ENGINEERING DECISION ONSELECTING SEPARATING EQUIPMENT/SYSTEMS
A9.1 Selecting Clean-In-Place Filters for Waste MinimizationD. Taft 148
A9.2 Removal of Volatile Organics from Aqueous Solution: An AlternativeApproach Using Polymeric SorbentsE.J. Simpson, W.J. Koros, and R.S. Schechier 152
A9.3 Oily Waste Management Strategies Using Membrane ProcessesH.L. Fleming 156
A9.4 Microporous Membrane Technology for Advanced Water &Wastewater TreatmentJ.C. Vickers 157
PRESSURE AND VACUUM FILTRATION
Bl.l Consolidation of Semi-Solid Slurries and Dewatering of PreconsolidatedCakes by Gas PressureW. Stahl and T. Pfuff 162
B1.2 Membrane Filter Presses Using Latest Empty Chamber DesignsContinues to Expand into New MarketsR. H. Mathewson 166
B1.3 Automated System Design for Membrane Filter PressesQ.D. Avery 172
SEDIMENTATION, CLARIFICATION, THICKENING
B2.1 Application of Alcan's Deep Thickener Technology for Thickeningand ClarifyingR.D. Paradis 176
B2.2 Bauxite Residue Disposal at Alcoa of Australia Using Hi-Density ThickenerM. Marunczyn and TJ . Laros 180
B2.3 Direct Feed Dry Flocculants - A New Approach to Lower CostsG. Payne 189
B2.4 Relationship for Clarification Efficiency of Secondary ClarifiersN. Voutchkov 194
B2.5 Design Procedures for Industrial Secondary ClarifiersO.E. Albertson 198
B2.6 The Lamella Gravity Settler: Theory, Design and Experiences
S. Wenk 204
DEPTH FILTRATION
B3.1 A Model for the Dynamics of Particle Deposition in Packed Bed FiltersM. Elimelech and L. Song 208
B3.2 Convective Jamming - A New Mechanism of Particle CaptureDuring Flow of Suspensions Through Porous MediaV. Ramachandran, H.S. Fogler, N. Salehi and G. Chauveteau 212
B3.3 Mathematical Modeling of Depth Filtration: 3-DimensionalTrajectory AnalysisR.S. Cushing and D. Lawler 216
B3.4 The Collapse-Pulsing Condition During Air Scour Backwashof Granular Activated Carbon MediaP. Yari and A. Amirtharajah 220
B3.5 Particles in Depth Filtration: Breakthrough and BreakoffD. Lawler, R.S. Cushing, D. Moran, and M. Seib 223
B3.6 Improvement in Deep Bed Filter BackwashingR.S. Kozar *227
WATER AND WASTEWATER TREATMENT
B4.1 Ammonia Removal by Precipitation from AnaerobicallyTreated Egg-Breaking Plant and Chicken Manure WastesS.H. Kim and E.R. Baumann 228
B4.2 Incorporation of SVI into the Activated Sludge Limiting Solids Flux EquationJ. Huang and O.J. Hao 232
B4.3 Turning Biological Waste Treatment Plant Sludge into a Fuel SourceD.L. Greene, W.L. Root, III and R.J. Fortier 236
B4.4 Design Considerations for a Moving Bed Downflow Sand FilterA.M. Wachinski, X. Yongming, J. Bengoechia, J. Stevens,and C.J. Hering 240
B4.5 Evaluation of Rapid Mixing Parameters in Chemical Phosphate RemovalS.H. Kim and E.R. Baumann 245
B4.6 Continuous Filter Removes Organics and AlgaeR. Steward and B. Johnson 249
CENTREFUGATION
B5.1 Torque Controlled Decanters Improve Performance and Resultsof Separation ProcessesP. Schenk 253
B5.2 Advanced Centrifuge Application on Biological Sludge TreatmentK. Miyano, K. Nishida and W.F. Leung 259
B5.3 Flow and Sedimentation in Decanter CentrifugesB. Madsen 263
B5.4 Censor-The Decanter Centrifuge with Two Cones and TwoFlights Washes, Separates and Dewaters Plastics for RecyclingM. Wuensch, K.H. Unkelbach, and G. Arhelger 267
B5.5 HypercentrifugationG. Mayer 271
B5.6 Filtration Batch/Continuous CentrifugesA. Schepis 278
B5.7 Compression of Sediment Under Centrifugal FieldJ. Weber
SEPARATION AND FLUID-PARTICLE INTERACTION IN MINING
B6.1 Modelling of Flocculation Using A Genetic AlgorithmS.K. Sharma and D.A. Stanley 282
B6.2 Simultaneous Dewatering and Reconstitution of Fine CoalUsing a Screenbowl CentrifugeW.W. Wen 290
B6.3 Dewatering Studies of Ultrafine Oil Shale ConcentrateJ.G. Groopo and B.K Parekh 296
B6.4 Bureau of Mines Dewatering Study of Sane Screw ClassifierOverflow at Vulcan Materials Manassas QuarryR.H. Church and B. Scheiner 302
FILTRATION AND SEPARATION IN BIOMEDICAL AND BIOTECHNOLOGYAPPLICATIONS
B7.1 Filtration and Separation Technologies for Improved Health CareP.S. Malchesky 303
B7.2 Pore Size Ratings - What You See Is Not What You GetR.E. Johnson, L.C. Cosentio, and P. Brinda 307
B7.3 Clinical Evaluation of On-Line Membrane Fractionation ofCryoglobulins from AlbuminM. Zborowski, A. P. Koo and P. S. Malchesky 311
B7.4 Subcutaneous Ultrafiltration Fibers for Chemical Samplingof Blood: The Capillary Filtrate CollectorS. R. Ash, W. E Zoop, R. B. Truitt, E. M. Janle, and P. T Kissinger . . 316
B7.5 Mathematical Model of Plasma Filtration and Re-Filtrationin a Closed Hollow Fiber Membrane SeparatorY.N. Xia 320
B7.6 Selective Chemical Removal from Blood by a SorbentSuspension Dialysis System (Biologic - DT)S.R. Ash, D.E. Blake, D.J. Carr, J.B. Rainier,C.H. Gingrich, and R.B. Truitt 325
B7.7 Increasing Selectivity of Chemical Removal From Blood byPre-Loading Charcoal of the Biological- DTS.R. Ash, D.E. Blake, and D.J. Carr 329
B7.8 New Membrane Systems for Hybrid Artificial OrgansB.A. Soloman, T. E. Muller, and CJ-P Mullan 333
B7.9 Recent Developments in Bacteria Challenges of SterilizingGrade Membrane FiltersJ. Martin 337
APPLICATIONS OF MEMBRANE FILTRATION -REVERSE OSMOSIS,ULTRAFILTRATION AND MICROFILTRATION
Cl. l A Review of Commercial Applications of Membrane TechnologyJ.L. Short 341
C1.2 Methodology for Determination of the Effect of Solute Sizeon Membrane Diffusive Permeability Using Polydispersed DextranD. Boggs 345
C1.3 Rotary and Tangential Crossflow Microfiltration for ProteinRecovery from Cell DebrisC.S. Parnham, III and R.H. Davis 349
C1.4 Ultrafiltration Applications for Nucleic AcidsA.M. Krowczynska and M.B. Henderson 353
C1.5 Separation of Humic Acids from Bayer Process Liquor byMembrane FiltrationF.T. Awadalla, O. Kutowy, and A. Tweddle 357
C1.6 Water Purification and Reuse with Membrane SystemsD.L. Woerner 361
C1.7 Membrane Separations in Food ProcessingS.S. Koseoglu 367
GAS SEPARATION WITH MEMBRANE
C2.1 The Effect of Aryl Nitration on Gas Sorption and Permeation in PolysulfoneB. Freeman 372
C2.2 Hollow Fiber Membrane-Based Rapid Pressure Swing AbsorptionS. Bhaumik, S. Majumdar, and K. Sirkar 376
C2.3 Helium Recovery from Natural Gas Streams Using Separex* GasSeparation MembranesA. Perka 380
C2.4 Gas Trap Membrane For Water Streams in Microgravity EnivronmentS.J. Zhou, M.B. Faust, and I.M. Brubaker 381
C2.5 Mobil Liquid Venting Membrane Separator Solvent Selectionand CharacterizationS.J. Zhou, I.M. Brubaker, and G. Noyes 385
C2.6 Membrane Gas Separation for Fluidized-Bed Incinerator:Why, What, and Lab TestsJ. Pellegrino, D. Stull and B. Logsdon 390
SEPARATION BY INORGANIC MEMBRANES
C3.1 Development of Ceramic Membranes for Nano-FiltrationM.A. Anderson, R.A. Peterson, and C.G. Hill, Jr 394
C3.2 Effects of Oxygen-Enriched Air on Diesel EngineK.S. Virk, and C.R. Bartels 398
C3.3 Cake Formation in Solid-Liquid Separation: Hypotheses and MechanismC. Tien 406
C3.4 Ceramic Membranes for the Recovery and Reuse of AqueousCleaning Solutions
R. Bhave, J. Filson, S. Karrs and J. McConay 407
NEW MATERIALS FOR MEMBRANE SEPARATION
C4.1 Structure/Property Relationships for Gas Separation Membrane MaterialsD.R. Paul 408
C4.2 Nonporous Composite Membranes for UltrafiltrationK.V. Peinemann and S. Pereira Nunes 412
C4.3 Surface and Permeability Properties of Modified UF MembranesFrom Isosporous 2-D Protein CrystalsS. Kupucu, M. Sara, S. Weigert and U.B. Sleytr 416
C4.4 Development of Solvent-Resistant Hollow-Fiber MembranesD.T. Friesen, S. McCray, and R. Ray 420
C4.5 Better Membranes from Polymeric BlendsI.M. Wienk, R.M. Boom, H.C. Prk, Th. van Den Boomgaard,M.H.V. Mulder and C.A. Smolders 423
MEMBRANE FOULING AND ADSORPTION PHENOMENA
C5.1 Protein Fouling of Polycarbonate Track-Etched Microfiltration MembranesE.M. Tracey and R.H. Davis 427
C5.2 Comparison of Protein Fouling in Stirred Cell and Cross-FlowFiltration DevicesK.L. McGettingan, S.T. Kelly, and A.L. Zydney 431
C5.3 Analysis of Solute Flux Reduction in Stirred Cell and Cross-FlowFiltration DevicesR.G. Nel and V.G.J. Rodgers 435
C5.4 Determination of Total Protein-Adsorbed on Solid (Membrane) Surface:Single Protein AdsorptionM.K. Ko, K. Cole and J.J. Pellegrino 440
C5.5 Interaction of Charged Colloid Particles with Charged Membrane PoresV.M. Starov, D.R. Lloyd, and A. N. Filippov 446
C5.6 Concentration Polarization in Polymer Filter Cakes During UltrafiltrationJ.K. Wang and R.K. Prud'homme 451
C5.7 Adsorption of Humic Substances on Hydrophobic Membranes andEffort on Membrane Surface PropertiesM.M. Clark and C. Jucker 455
COMMERCIAL DEVELOPMENT OF NEW MEMBRANE TECHNOLOGIES
C6.1 Membrane Business - UpdateA. Crull 456
C6.2 Commercialization of Pervaporation SystemsH. L. Fleming 461
C6.3 Vortex Flow Filtration: Application Benefits and Scale-UpP.M. Rolchigo 463
NOVEL CONCEPTS IN MEMBRANE SEPARATION
C7.1 Crossflow Dynamic Membrane Filtration TechnologyG. H. Bartman 471
C7.2 Oil/Water Separation Using Nanofiltration TechnologyE. Park and S.M. Barnett 475
C7.3 Liquid-Solid Separations and Size Classification By VibratoryShear Enhanced Processing (VSEP)B. Culkin 476
NEW TECHNIQUES ON CHARACTERIZATION OF MEMBRANE STRUCTURE& MORPHOLOGY AND SPECIAL MEMBRANE APPLICATIONS
C8.1 Asymmetric Fluoropolymer Pervaporation Membranes forOrganic/Water SeparationK. Jian and P.N. Pintauro 477
C8.2 The Surface Structure and Morphology of PolyacrylonitrileMembranes by Atomic Force MicroscopyA.K. Fritzsche, A.R. Arevalo, and M.D. Moore 481
C8.3 A Materials Science Case Study of New Polymeric Materials for GasSeparations: Correlation of Physical and MorphologicalCharacteristics of Conducting Polymers with Pure Gas PermeabilitiesB.R. Mattes 485
C8.4 Vibratory Solution Recycling Using Filtration Methods: A CaseStudy in Pollution PreventionE. Park and S.M. Barnett 486
SELECTION AND SIZING OF SOLID-LIQUID SEPARATION EQUIPMENT
D l . l Introduction to Filter SelectionR. Karpiuk 487
D1.2 Testing of a Pressure FilterK. Haggerty 491
D1.3 Sizing of Batch Filtration EquipmentP. Muller, DrM, Dr. Muller 497
D1.4 Selection & Sizing of Tubular Back-Pulse Filters forProcess and Wastewater StreamsD. Davis 503
D1.5 Measurement of Dewatering Pressures in Full-Scale Belt PressFilters for Use in Development of Bench-Scale Test MethodsT. Laros 505
D1.6 How to Choose the Right CentrifugeA. Letki and G. Alligood 511
D1.7 XL»PLUS™ Feed Accelerator Improves Coal Dewatering CentrifugeCapacity and Basket Life with Improved Cakes and RecoveriesS. Black, W. F. Leung, J. Poff and E. Earl 515
D1.8 Recent Developments in Media Selection for Granular Media FiltersJ. B. Hambley 522
SYSTEMS APPROACH TO FLUID-PARTICLE SEPARATION
D2.1 Systematic Approaches to Particle/Fluid SeparationD.B. Purchas 526
D2.2 An Expert System for the Selection of Solid/Liquid Separation EquipmentE.S.Tarleton and R. Wakeman 530
D2.3 Systemized Method of Equipment & Fabric Selection for AirJ. Darrow 535
D2.4 A System Approach to the Design of Solid/Liquid Separation ProcessesR. Wakemen 536
D2.5 Computerized Design of Gas Cleaning EquipmentK. Morris 540
SPECIAL TOPICS ON SOLID/LIQUID SEPARATION
D3.1 World 1993 Solid/Liquid Separation MarketR.W. Mcllvaine 544
D3.2 Working Backwards with Filtration to Achieve Quality ControlJ. Berg 549
D3.3 How to Eliminate Filter-Clogging Microbial Growth in FuelsW.P. Chartrand 556
D3.4 High Efficiency System Disposes of Sludge and Produces Clean EffluentR. Steward 563
MONITORING AND CONTROL TECHNIQUESIN FILTRATION AND SEPARATION
D4.1 Effect of Filtration on Top Ring Wear in Heavy Duty Diesel EnginesJ. Truhan and C. Covington 564
D4.2 Innovative, Rapid Colorimetric Method of Determination of ResidualChlorine from 0 to 500 /ig/LD. Harp and T. Engelhardt 568
D4.3 Determining Correlation of Nephelometric Turbidity Measurementsto Suspended Solids Measurements in Industrial SamplesM. Sadar and T. Engelhardt 572
D4.4 Monitoring the Dynamics of Coagulation with metal Salts bya Flow-Through Optical TechniqueM. Elimelech and H.W. Ching 576
D4.5 Streaming Potential as a Tool to Determine the Zeta Potentialof Filter MaterialsD. Fairhurst 581
D4.6 Measuring the Electrokinetic (Zeta) Potential of Reverse OsmosisMembranes by a Streaming Potential AnalyzerM. Elimelech and D. Fairhurt 582
D4.7 Monitoring of Filter Press VariabilityH.W. Campbell and M.A. Plaiser 583
D4.8 A Sensitive On-Line Particle Monitor for High-Quality Filtered WaterJ. Gregory and C. Veal 587
INDUSTRIAL SEPARATIONS
D5.1 Cross-flow Filtration of Produced Water With Ceramics MicrofiltersJ.L. Filson and R.R. Bhave *591
D5.2 Nut Shell Filter TechnologyJ. Schultz *
D5.3 A Dual Membrane for Hydrocarbon - Water SeparationsR. Larson, S. Freeman, and W. Scherer 592
D5.4 New Hydrocyclones for Oilfield ApplicationsA. Casaday, P. Michaluk and N. Lange *
D5.5 The Automatic Backwashable Cartridge (ABC) FilterJ. Hensely
D5.6 Logic Development of the Turbo Doucet Jet FilterC.L. Doucet 596
D5.7 Continuous Filter Removes Solids and OilsR. Steward and B. Johnson 606
DESIGN OF MEMBRANE SEPARATION EQUIPMENT/SYSTEM
D6.1 Getting From Traditional Filtration to Crossflow FiltrationW. Eykamp 607
D6.2 Retentate Recycle for Enrichment of Less PermeableComponent in a Membrane PermeatorT. Tsuru and S.T. Hwang 613
D6.3 A Model for the Evaluation of Hollow-Fiber Membrane Device PerformanceJ. Lemanski and G.G. Lipscomb 617
D6.4 Possible Applications of Ceramic Membranes to Reverse Osmosisin the Dairy IndustryR.A. Peterson, M.A. Anderson, and C.G. Hill, Jr 621
D6.5 Commercial Applications of Tube-Side-Feed Hollow-FiberMembrane ModulesS.B. McCray, R.J. Ray, and D.T. Friesen 625
D6.6 Optimization of Crossflow Filtration Using Backpulsing asa Cleaning MethodS.G. Redkar, R.H. Davis, and W.F. Ramirez 629
PARTICLE CHARACTERIZATION AND TRANSPORT PHENOMENA INFILTRATION & SEPARATION
D7.1 Characterizing the Fractal Structural of Random Filter FiltrationsB.H. Kaye and P. Rochon 633
D7.2 Dilute Gas-Particles Flow RegimesH. Arastoopour 634
D7.3 Drag Force of Interactive Particles Prior to Collinear CollisionC. Zhu, S.C. Liang, and L.S. Fan 635
D7.4 Modelling the Capture Dynamics in a Filter Intended for CapturingRespirable DustB.H. Kaye, J.M. Noel and R. Trotter 639
D7.5 Comparison of Experimental NWR and Computed Velocitiesand ConcentrationsJ. Ding, R.W. Lyczkowski, W.T. Sha, S.A. Altobelli and E. Fukushim . 640
CLEAN-UP AND DISPOSAL OF HAZARDOUS WASTE
D8.1 Dewatering of Metal Finishing Plant Wastes with the Use of Filter PressesJ.A. Trautmann, Jr 644
D8.2 Specialty Chemicals for Waste RemediationT.L. Collett 645
D8.3 Treatment of Wastewater at Vaquerias Tres Monjitas Dairy UsingFixed-Film Bio-TowersC. Rogers 646
D8.4 Dewatering Surface Impoundments Using Filter PressesD.H. Wachter 647
STUDENT POSTER PAPERS
1. Deadend Microfiltration of Bovine Serum Albumin Suspension Through YeastCake Layers and Asymmetric Polymeric MembranesN. Arora and R. Davis 653
2. Use of Local Measurements to Analyze the Drag Force and Stress-StrainRelation for Compressive Packed BedsJ. Arconti and G. Chase 657
INDEX Appendix A
BELATED PAPERS Appendix B