DOWEX Ion Exchange Resins WATER CONDITIONING MANUAL

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Useful Graphs, Tables, and Other Information 12 USEFUL GRAPHS, TABLES, AND OTHER INFORMATION 12.1 Particle Size Distribution Test methods to establish and/or express the size distribution of DOWEX Gaussian (conventional) ion exchange resins are based on the “U.S.A. Standard Series” of sieves. Table 27 gives the main characteristics of sieves of interest to the analysis of bead size distributions. Table 27. Main characteristics of sieves for bead size distribution analysis. U.S. Standard Mesh Number Nominal Sieve Opening mm Opening Tolerance �Ã � Nominal Wire Diameter mm 10 2.00 70 0.900 12 1.68 60 0.810 14 1.41 50 0.725 16 1.19 45 0.650 18 1.00 40 0.5 80 20 0.841 35 0.510 25 0.707 30 0.450 30 0.595 25 0.390 35 0.500 20 0.340 40 0.420 19 0.290 45 0.354 16 0.247 50 0.297 14 0.215 60 0.250 12 0.180 70 0.210 10 0.152 80 0.178 9 0.131 100 0.150 8 0.110 120 0.125 7 0.091 140 0.104 6 0.076 170 0.089 5 0.064 200 0.074 5 0.053 230 0.064 4 0.044 270 0.053 4 0.037 325 0.043 3 0.030 400 0.038 3 0.025 Due to the narrow particle size distribution of DOWEX uniform particle sized (UPS) resins, the conventional method of using U.S.A. Standard Sieves does not provide sufficiently detailed information to describe the particle distribution effectively. The particle size distribution for DOWEX UPS resins is therefore given as a mean particle size covering a specified range and a uniformity coefficient which is
Useful Graphs, Tables, and Other Information Table 28. Recommended particle size ranges for DOWEX MONOSPHERE 650C. Parameter DOWEX MONOSPHERE 650C Mean particle size ��Ã�Ã��Ã � Uniformity coefficient, max 1.1 ��Ã��Ã��Ã �Ã��Ã��Ã�� 5% ��Ã��Ã��Ã �Ã��Ã��Ã�� 0.5% ��Ã��Ã��Ã��Ã�Ã��Ã��Ã��Ã��Ã��Ã��Ã��Ã �Ã��Ã��ÈÃ��Ã��Ã��Ã��Ã�� Ã��Ã��Ã��Ã��Ã��Ã��Ã��ÈÃ��Ã��Ã��Ã��Ã��Ã��Ã��Ã �� DOWEX Ion Exchange Resins 71 Water Conditioning Manual
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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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Page 19 and 20: Sodium Cycle Ion Exchange Process (
Page 27 and 28: Brackish Water Softening Using H2SO
Page 29 and 30: Brackish Water Softening Resin oper
Page 31 and 32: Dealkalization: Salt Splitting Proc
Page 33 and 34: Dealkalization: Weak Acid Cation Re
Page 35 and 36: Dealkalization: Weak Acid Cation Re
Page 37 and 38: Demineralization (Deionization) Pro
Page 39 and 40: 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
Page 59 and 60: Ion Exchange Cleaning Procedures Re
Page 61 and 62: Ion Exchange Cleaning Procedures 10
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
Page 69: Designing an Ion Exchange system 11
Page 73 and 74: Useful Graphs, Tables, and Other In
Page 91 and 92: Index 14 INDEX A Abbreviations · 9
Page 93: Dow Liquid Separations Offices. For
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DOWEX Ion Exchange Resins WATER CONDITIONING MANUAL

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