Overview of Liqui-Cel Membrane Contactor Technology

1. Membrane Contactor Technology Membrana-Charlotte CHARLOTTE, NORTH CAROLINA, USA Training/Product Overview

5. Gas Transfer in Liquids And Principles of Operation

7. SEM of Celgard ® Microporous Polypropylene Hollow Fiber Membrane Fiber Types: All variants are nonselective but each has attributes that make it more suited for certain applications - X40: O 2 Removal - X50: CO 2 Removal - Polyolefin: Low Surface Tension Fluids 0.03 µm Average Pore 200-220 µm 300 µm

8. 300 µm Celgard ® Microporous Hollow Fiber Array

12. Process / System Design Considerations

13. Available Membrane Contactor Products Summary * X50 in our high-purity 10-inch contactor is currently rated to 210 gpm in one device Applications: Gas Transfer (O 2 ,CO 2 ,N 2 ,VOC removal, and O 2 ,CO 2 ,N 2 , H absorption) Applications: Debubbling Up to 2500 ml/min MiniModule ® 1.25 x 5 Up to 500 ml/min MiniModule ® 1 x 5.5 Flow Range (one device) Product 5 – 30 gpm (1.1 – 6.8 m 3 /hr) Liqui-Cel ® Extra-Flow 4 x 28 44 – 250 gpm* (10 – 57 m 3 /hr) 44 – 210 gpm (10 – 48 m 3 /hr) 70 – 400 gpm (16-90.8 m 3 /hr) Liqui-Cel ® Extra-Flow 10 x 28 Also in INDUSTRIAL version Liqui-Cel ® Extra-Flow 14 x 28 5 – 50 gpm (1.1 – 11.4 m 3 /hr) Liqui-Cel ® NB™ and Extra-flow 6 x 28 5 – 15 gpm (1.1 – 3.4 m 3 /hr) Liqui-Cel ® Extra-Flow 4 x 13 0.5 – 3 gpm (0.1 – 0.7 m 3 /hr) Liqui-Cel ® Extra-Flow 2.5 x 8 Flow Range (one device) Product

14. System Design Considerations Series Configuration for Efficiency Liquid Inlet Parallel Configuration for Flow Liquid Outlet Liquid Outlet Liquid Inlet

15. Typical Combo Mode P&ID for Extra-Flow Contactors PI FI VENT/ DRAIN VENT DRAIN SAMPLE PI FI CHECK VALVE PI Liqui-Cel ® FEED WATER PRODUCT WATER N 2 FEED VAC EXHAUST

17. Pressure Drop in Extra-Flow Devices Pressure Drop (psig) Pressure Drop (psig) Pressure Drop (kg/cm 2 ) Water Flow Rate (m 3 /hr) 4 x 28 10 x 28 Water Flow Rate (gal/min) 0 0.14 0.28 0.42 0.56 0.70 0.84 0.98 0 2 4 6 8 10 12 14 0 10 20 30 5 15 25 0 2.3 4.5 6.8 1.1 3.4 5.7 0.0 1.4 2.8 4.3 5.7 0 44 88 132 176 220 0 10 20 30 40 50 0.20 0.00 0.10 0.30 0.40

18. 105 psi inlet pressure when using vacuum. If in sweep mode, add 15 psi Different temperatures and pressures might apply to contactors using these fibers Operating Pressure and Temperature of Celgard ® PP Hollow fiber Max. Operating Pressure (Kg/cm 2 ) 9.8 8.4 7.0 5.6 4.2 2.8 1.4 0 Operating Temperature ( o C) 20 30 40 50 60 70 Max. Operating Pressure (psig) X40/X50 Fiber Higher Limit for X40 10-inch Only XIND Fiber 140 120 100 80 60 40 20 0

23. Deoxygenation System Size Comparison 6 ft (1.8 m) 64 ft (19.5 m) Design Conditions for Both Systems Flow = 748 gpm (170 m 3 /hr) Saturated Inlet, Outlet =30 ppb O2 Vacuum Tower Liqui-Cel ® 10-inch Contactor System 5.5 ft (1.65 m) 7.5 ft (2.2 m) 4.5 ft (1.15 m)

25. CO 2 Dissolving in Water H 2 CO 3 H + + HCO 3 - HCO 3 - H + + CO 3 - CO 2 + H 2 O H 2 CO 3 (Carbonic Acid)

28. Miscellaneous Applications

32. Carbonation System Schematic CO 2 FEED PI FI VENT Vent / Purge PRODUCT WATER SAMPLE PI FEED WATER FI Drain PI Liqui-Cel ®

33. Wrap-up and Summary

34. Auxiliary Products Available Eductors – From 0 to 0.45 ACFM @ 50 torr* Liquid Ring Vacuum Pumps – From 4 to 110 ACFM @ 50 torr* Orbisphere Oxygen Analyzers – Three models available with measurement ranges from 0.1 ppb to 20 ppm – Ideally suited for oxygen measurement in many high purity and industrial applications (*larger sizes available)

36. Partial System Installation List

37. 14-inch TFT System in Taiwan Design Basis: System Design: Outlet Achieved: 396 gpm (90 m 3 /hr) Ten Trains with < 30 ppb Dissolved O 2 77 o F (25 o C) two 14 x 28 Contactors Inlet O 2 saturated in series

38. 14-inch TFT System in Taiwan Design Basis: System Design: Outlet Achieved: 484 gpm (110 m 3 /hr) Two Trains with < 30 ppb Dissolved O 2 72 o F (22 o C) three 14 x 28 Contactors Inlet O 2 8.7 ppm in series Saturated

39. Design Basis: System Design: Outlet Achieved: 7,462 gpm ( 1,696 m3/hr) 4 Systems each with < 500 ppb Dissolved O 2 72 o F (22 o C) 8 Trains having one Inlet O 2 8.7 ppm 14 x 28 Contactor in series Saturated 14-inch TFT System in Taiwan

40. Central UPW Deoxygenation System Design Basis: Located In Polishing System 1600 gpm ( 360 m 3 /hr) 75 o F (24 o C) Inlet O 2 Saturated (8.9 ppb) System Design: Eight Trains of three 10 x 28 Contactors in Series FRP Housings with PVDF inner surface Outlet Achieved: < 1 ppb Dissolved O 2

41. Design Basis: 600 gpm (136 m 3 /hr) 70 o F (21 o C) Inlet O 2 (2.0 ppm) System Design: Three Trains of Three 10 x 28 Contactors in Series Nine 10 x 28 Contactors Expandable to 16 Contactors 316L SS Housings with 10 RA Finish 27.4 in. Hg Vacuum (64 mm Hg) N 2 Sweep – 7.2 scfm (11.6 m 3 /hr) Outlet Achieved: < 2 ppb Dissolved O 2 Central UPW Deoxygenation System

42. Oxygen Removal to < 5 ppb at IMEC- Microelectronics Research in Belgium Design Basis: 79 gpm ( 18 m 3 /hr) 67 o F (19.5 o C) Inlet O 2 5.14 ppm System Design: One Train of Three 10 x 28 Contactors in Series in make-up One additional 10 x 28 in polishing 28 in. Hg Vacuum (50 mm Hg Vacuum) N 2 Sweep – (1.2 scfm) 2m 3 /hr Outlet Achieved: 3 ppb Dissolved O 2

43. 6-inch Boiler Feedwater System in China Design Basis: 10,00 lb/hour Boiler Capacity 79 gpm ( 18 m 3 /hr) 60 o F (15.5 o C) Inlet O 2 9 ppm System Design: Three Trains of Two 6 x 28 Contactors in Series 28 in. Hg Vacuum (50 mm Hg Vacuum) Outlet Achieved: 0.5 ppb Dissolved O 2

44. Samsung Display Industries (SDI) in Korea Design Basis: 141 gpm ( 32 m 3 /hr) 77 o F (25 o C) Inlet O 2 9 ppm System Design: Three 10 x 28 Contactors in Series Combo mode (N2 plus vacuum) Outlet Achieved: <10 ppb Dissolved O 2

45. Simultaneous Deoxygenation and Carbonation System Design Basis: 75 gpm (17 m 3 /hr) 35 – 68 o F (2 – 20 o C) Inlet O 2 Saturated (9.3–13.8 ppm) System Design: Two 10 x 28 Contactors in Series CO 2 Sweep Outlet Achieved: < 100 ppb Dissolved O 2 Carbonated Water

47. This product is to be used only by persons familiar with its use. It must be maintained within the stated limitations. All sales are subject to Seller’s terms and conditions. Purchaser assumes all responsibility for the suitability and fitness for use as well as for the protection of the environment and for health and safety involving this product. Seller reserves the right to modify this document without prior notice. Check with your representative to verify the latest update. To the best of our knowledge the information contained herein is accurate. However, neither Seller nor any of its affiliates assumes any liability whatsoever for the accuracy or completeness of the information contained herein. Final determination of the suitability of any material and whether there is any infringement of patents, trademarks, or copyrights is the sole responsibility of the user. Users of any substance should satisfy themselves by independent investigation that the material can be used safely. We may have described certain hazards, but we cannot guarantee that these are the only hazards that exist. Liqui-Cel, Celgard, SuperPhobic and MiniModule are registered trademarks and NB is a trademark of Membrana-Charlotte, A division of Celgard, LLC and nothing herein shall be construed as a recommendation or license to use any information that conflicts with any patent, trademark or copyright of Seller or others.  2006 Membrana – Charlotte. A Division of Celgard, LLC. (P56_Rev 12 2/06) Europe Office 28 Oehder Strasse 28 D-42289, Wuppertal Germany Phone: + 49 202 6099 x593 Fax: +49 40 5261 0879 Membrana - Charlotte A Division of Celgard, LLC. 13800 South Lakes Drive Charlotte, North Carolina 28273 USA Phone: 704 587-8888 Fax: 704 587 8585 Japan Office Shinjuku Mitsui Building, 27F 1-1, Nishishinjuku 2-chome Shinjuku-ku, Tokyo 163-0427 Japan Phone: 81 3 5324 3361 Fax: 81 3 5324 3369 www.membrana.com www.liqui-cel.com