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3	Membrane Separation Technologies Dead-end Full Process Flow Through Membrane Permeate Flow Same as Feed Flow High Membrane Flux Rates High Membrane Fouling Cross-flow Partial Process Flow Through Membrane Permeate Flow is Low Percentage of Feed Flow (< 10%) Low Membrane Flux Rates Low Membrane Fouling
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5	Membrane Materials Polymeric Metal Ceramic Low Cost Low Relative Life Limited Aqueous Salts Removal High Cost Limited Retention Porosity Low Membrane Surface Area Moderate Cost Long Relative Life Resistant to Abrasion, Chemical and Thermal Attack Highest value on a cost per unit permeate basis
6	Membrane Geometry Spiral Wound Hollow Fiber Tubular Broad Retention Range Sensitive to Large Particles Sensitive to High Particle Concentrations Very High Surface Area Sensitive to Large Particles Sensitive to High Particle Concentrations Excellent with Large Particles Excellent with High Particle Concentrations Broad Retention Range
7	Available Industrial Ceramic Membrane Geometries Straight Tubular Single Bore Tubes Multi-bore Tubes Monolith Channel Structure Tubular Multiple Channels
8	Straight Tubular Ceramic Multiple Tubes Multiple Tube Seals Low Surface Area Complex Housing & Tube Sheet Design Difficult Maintenance & Installation Fragile
9	"Low cost" Low cost Exceptional Flux Sustenance High Surface Area (120 Ft ) Excellent Chemical Resistance (pH 2-13) Excellent Thermal Resistance (0-300 F) Excellent Abrasion Resistance Long Cycle Life Broad Retention Range 0.2uM Alumina 0.01uM Titania 0.005uM Silica
10	HILCO Dense-Pack Ceramic Cell Construction
11	HILCO Dense-Pack Ceramic Permeate Path Through Mullite Support
12	HILCO Dense-Pack Ceramic System Operation
13	HILCO Dense-Pack Ceramic Typical Performance (Waste Water)
14	Ceramic Membrane System For Waste Water 350 GPM Recirculation 6,000 Gal./Day Nominal Capacity 15HP 230-460/60/3 Motor Water Cooled Stainless Heat Exchanger Stainless Filter Housings 0.005uM Ceramic Membrane (Included) 40uM Pre-Filter Cartridge (Included)
15	Process Diagram
16	Potential Applications Gas Turbine Water Wash Solution Polymer Quenchent Bilge Water Machine Tool Coolants Steel Mills Industrial Laundries Printing Press Pre-RO Treatment Aqueous Wash Solutions Mop Water Air Compressor Blow Down
17	Bench Scale Unit Small volume fluid streams 50 Gal/day nominal capacity Utilizes a 1”Ø x 12” length membrane Lab testing Portable Sample stream qualification
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