DOWEX Ion Exchange Resins WATER CONDITIONING MANUAL

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Index P Packed beds · 44 Particle size distribution · 70 Product water requirements · 64 R Radiation · 55 Regeneration chemicals · 66–69, 80–85 conditions · 66–69 efficiency · 34, 65 Resin analysis · 50 Resin selection · 8, 64 S Safe handling regenerant chemicals · 78 resins · 46 Salt-splitting process · 30–32 Sampling · 48 Silica · 39, 54, 59 Sizing, vessel · 67 Sodium cycle ion exchange · 7, 19–25 Softening · See Sodium cycle ion exchange Solutions, concentration and density · 80 Stability · 52–56 temperature · 52 Storage, resins · 46 Strontium sulfate · 58 System design · See Design, system DOWEX Ion Exchange Resins 92 Water Conditioning Manual T Tank capacity · See Capacity, tank Terms · 9 Troubleshooting increased pressure drop · 63 throughput capacity · 61 water quality · 62 U Uniform particle size resins · 8 UPCORE system · 41 regeneration cycle · 42 self-cleaning · 42 W Water softening · See Sodium cycle ion exchange Weak acid cation resin · 33–35
Dow Liquid Separations Offices. For more information call Dow Liquid Separations: Dow Europe Dow Customer Information Group Liquid Separations Prins Boudewijnlaan 41 B-2650 Edegem Belgium Tel. +32 3 450 2240 Tel. +800 3 694 6367 † Fax +32 3 450 2815 E-mail: dowcig@dow.com Dow Japan Dow Chemical Japan Ltd. Liquid Separations Tennoz Central Tower 2-24 Higashi Shinagawa 2-chome Shinagawa-ku, Tokyo 140-8617 Japan Tel. +81 3 5460 2100 Fax +81 3 5460 6246 Dow China Dow Chemical (China) Investment Company Ltd. Liquid Separations 23/F, One Corporate Avenue No. 222, Hu Bin Road Shanghai 200021 China Tel. +86 21 2301 9000 Fax +86 21 5383 5505 Dow Pacific Customer Information Group – Liquid Separations All countries except Indonesia and Vietnam: Toll free phone: +800 7776 7776 Toll free fax: +800 7779 7779 All countries: Tel. +60 3 7958 3392 Fax +60 3 7958 5598 E-mail: dowcig@dow.com Dow Latin America Dow Quimica S.A. Liquid Separations Rua Alexandre Dumas, 1671 Sao Paulo – SP – Brazil CEP 04717-903 Tel. 55-11-5188 9277 Fax 55-11-5188 9919 † Toll-free telephone number for the following countries: Austria, Belgium, Denmark, Finland, France, Germany, Hungary, Ireland, Italy, The Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom Dow North America The Dow Chemical Company Liquid Separations Customer Information Group P.O. Box 1206 Midland, MI 48641-1206 USA Tel. 1-800-447-4369 Fax 1-989-832-1465 Internet http://www.dowex.com Warning: Oxidizing agents such as nitric acid attack organic ion exchange resins under certain conditions. This could lead to anything from slight resin degradation to a violent exothermic reaction (explosion). Before using strong oxidizing agents, consult sources knowledgeable in handling such materials. Notice: No freedom from any patent owned by Seller or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with time, Customer is responsible for determining whether products and the information in this document are appropriate for Customer’s use and for ensuring that Customer’s workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Seller assumes no obligation or liability for the information in this document. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED. *Trademark of The Dow Chemical Company Form No. 177-01766-1105
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Dow Liquid Separations DOWEX Ion Ex
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TABLE OF CONTENTS 1 Introduction to
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TABLE OF TABLES Table 1. Terms comm
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Introduction to Ion Exchange 1 INTR
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Terms, Acronyms, And Abbreviations
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Sodium Cycle Ion Exchange Process (
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Brackish Water Softening Using H2SO
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Brackish Water Softening Resin oper
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Dealkalization: Salt Splitting Proc
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Dealkalization: Weak Acid Cation Re
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Dealkalization: Weak Acid Cation Re
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Demineralization (Deionization) Pro
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Demineralization (Deionization) Pro
Page 41 and 42: The UPCORE Counter-Current Regenera
Page 47 and 48: Ion Exchange Resin Operational Info
Page 57 and 58: Ion Exchange Cleaning Procedures 10
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Page 63 and 64: Ion Exchange Cleaning Procedures Ta
Page 65 and 66: Designing an Ion Exchange system fr
Page 67 and 68: Designing an Ion Exchange system As
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Page 71 and 72: Useful Graphs, Tables, and Other In
Page 91: Index 14 INDEX A Abbreviations · 9
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DOWEX Ion Exchange Resins WATER CONDITIONING MANUAL

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