OEM Engineering Manual Electropure™ XL & EXL Series EDI Contains information for the successful system engineering, design, installation, operation, and maintenance of SnowPure’s “Electropure™ XL and EXL” EDI products by an OEM pure water system integrator. Pictured: EXL - 750 750 High Flow Industrial EDI Manual: Version 3.5 (A4) Module Updated: February 2018 SNOWPURE, LLC, 2005-2018 VERSION 3.5 (XL+EXL) –FEBRUARY 2018 PAGE 1 Worldwide HQ (Headquarters): SnowPure Water Technologies San Clemente, CA 92672, USA Tel: +1.949.240.2188 [email protected] www.snowpure.com SnowPure Global Sales Offices: China Sales Office Electropure Environmental Technology (Shanghai) Co. Ltd. 伊乐科环保科技(上海)有限公司 Tel: +86.21.6167.1860 Email: [email protected] www.snowpure.com.cn Middle East Sales Office SnowPure Middle East Amman, Jordan Email: [email protected] International Distributors: Hong Kong (Authorized Distributor) SnowPure International (HK) Ltd. Hong Kong Tel: +1.858.692.0664 [email protected] Germany (Authorized Distributor) TES Water Treatment GmbH India (Authorized Distributor) Tel: +49.6205.2870.0 Evergreen Technologies Pvt. Ltd. [email protected] Tel: +91.2201.2461 [email protected] Sweden, Finland, Norway, Baltics (Authorized Distributor) Japan (Authorized Distributor) PWS Pure Water Scandinavia AB AMP Ionex / Mihama Tel: +46.23.797.990 エイエムピー・アイオネクス株式会社 / 美浜株式会社 [email protected] Tel: +81.3.4570.3820 [email protected] Switzerland, Austria, Czech Republic, Slovakia www.amp-ionex.com ROC Components AG Tel: +41.61.461.8303 Korea (Authorized Distributor) [email protected] Innomeditech, Inc. 주식회사 이노메디텍 Ukraine (Authorized Distributor) Tel: +82-31-80022500 Nerex PE [email protected] Tel: +38.44.223.5636 www.innomeditech.co.kr [email protected] SNOWPURE, LLC, 2005-2018 VERSION 3.5 (XL+EXL) –FEBRUARY 2018 PAGE 2 Table of Contents WORLDWIDE HQ (HEADQUARTERS): .............................................................................. 2 SNOWPURE WATER TECHNOLOGIES ............................................................................................ 2 SNOWPURE GLOBAL SALES OFFICES: ............................................................................ 2 CHINA SALES OFFICE .................................................................................................................. 2 MIDDLE EAST SALES OFFICE SNOWPURE MIDDLE EAST ............................................................... 2 INTERNATIONAL DISTRIBUTORS: ..................................................................................... 2 HONG KONG (AUTHORIZED DISTRIBUTOR).................................................................................... 2 INDIA (AUTHORIZED DISTRIBUTOR) ............................................................................................... 2 JAPAN (AUTHORIZED DISTRIBUTOR) ............................................................................................. 2 KOREA (AUTHORIZED DISTRIBUTOR) ............................................................................................ 2 GERMANY (AUTHORIZED DISTRIBUTOR) ....................................................................................... 2 SWEDEN, FINLAND, NORWAY, BALTICS (AUTHORIZED DISTRIBUTOR) ............................................. 2 SWITZERLAND, AUSTRIA, CZECH REPUBLIC, SLOVAKIA ................................................................. 2 UKRAINE (AUTHORIZED DISTRIBUTOR) ......................................................................................... 2 TABLE OF CONTENTS ........................................................................................................ 3 ELECTROPURE™ EDI DESCRIPTION .............................................................................. 6 CHAPTER 1: ELECTROPURE™ EDI TECHNOLOGY .............................................................. 6 ADVANTAGES OF EDI OVER CONVENTIONAL DI ............................................................... 6 PROCESS OF ELECTRODEIONIZATION ............................................................................. 6 ELECTROPURE™ EDI TECHNOLOGY OVERVIEW ............................................................. 7 FIGURE 1: SCHEMATIC DIAGRAM OF THE ELECTROPURE EDI PROCESS ......................................... 7 DETAILS OF THE ELECTROPURE™ EDI PROCESS ........................................................... 8 EDI MODEL: SERIAL REMOVAL OF IONS .........................................................................10 EFFECTS OF CONTAMINANTS IN EDI FEEDWATER: .........................................................11 GLOSSARY OF TERMS ..................................................................................................12 SNOWPURE EDI INTELLECTUAL PROPERTY ...................................................................14 EDI TECHNOLOGY SUMMARY .......................................................................................14 CHAPTER 2: PRODUCT DESCRIPTION AND GUIDE .............................................................. 15 ELECTROPURE™ EDI ADVANTAGES:.............................................................................15 ELECTROPURE™ EDI PRODUCT GUIDE: ........................................................................16 CURRENT ELECTROPURE™ EDI PRODUCT LINES: .........................................................16 LEGACY ELECTROPURE™ EDI PRODUCT LINES: ............................................................16 MODULE RESTACK .......................................................................................................16 APPLICATIONS AND PURITY SPECIFICATIONS .................................................................17 SEMICONDUCTOR ULTRAPURE WATER: ...................................................................................... 17 POWER GENERATION BOILER WATER: ....................................................................................... 18 ASTM REAGENT WATER: .......................................................................................................... 18 USP PHARMACEUTICAL WATER: ................................................................................................ 18 CHAPTER 3: NORMAL OPERATION, CONDITIONS, AND SPECIFICATIONS ............................. 19 STANDARD OPERATING AND TESTING CONDITIONS ........................................................19 GLOSSARY OF TERMS ..................................................................................................19 OPERATING FEED WATER SPECIFICATIONS ...................................................................20 ENVIRONMENTAL CONDITIONS ......................................................................................21 DC POWER SUPPLY REQUIREMENTS ............................................................................21 PROJECTION PROGRAM: EDICAD™ .............................................................................22 CHAPTER 4: EFFECTS OF PROCESS VARIABLES .............................................................. 23 APPLIED VOLTAGE .......................................................................................................23 SNOWPURE, LLC, 2005-2018 VERSION 3.5 (XL+EXL) –FEBRUARY 2018 PAGE 3 OPTIMUM VOLTAGE ................................................................................................................... 23 QUALITY VS VOLTAGE ............................................................................................................... 23 CURRENT VS FEED CONDUCTIVITY ............................................................................................. 23 STEADY STATE OPERATION ....................................................................................................... 24 IONIC SPECIES .............................................................................................................24 IONIC SIZE ................................................................................................................................ 24 IONIC CHARGE .......................................................................................................................... 25 SELECTIVITY COEFFICIENTS OF IONS FOR RESIN ........................................................................ 25 + - +2 + - EASY IONS (NA , CL , CA , H , AND OH ) .................................................................................. 25 LARGE, WEAKLY-CHARGED IONS (CARBON DIOXIDE, SILICA, BORON) .......................................... 25 TEMPERATURE.............................................................................................................26 PRESSURE DROP VS TEMPERATURE .......................................................................................... 26 STACK RESISTANCE VS TEMPERATURE ...................................................................................... 26 QUALITY VS TEMPERATURE (RE-OPTIMIZATION OF OPERATING CONDITIONS)................................. 27 RESISTIVITY MEASUREMENT CORRECTION WITH TEMPERATURE .................................................. 27 FLOW ..........................................................................................................................28 PRESSURE DROP VS FLOW ........................................................................................................ 28 FIGURE 2: XL PRESSURE DROP ................................................................................................. 29 EFFECT OF OUTLET PRESSURE ON QUALITY AND INTERNAL LEAKAGE.........................................