FilmTec Technical Manual - Chester Paul Company

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Dow Water Solutions Offices.For more information call Dow Water Solutions:Dow EuropeDow Customer Information GroupDow Water SolutionsPrins Boudewijnlaan 41B-2650 EdegemBelgiumTel. +32 3 450 2240Tel. +800 3 694 6367 †Fax +32 3 450 2815Contact the Customer Information GroupDow JapanDow Chemical Japan Ltd.Dow Water SolutionsTennoz Central Tower2-24 Higashi Shinagawa 2-chomeShinagawa-ku, Tokyo 140-8617JapanTel. +81 3 5460 2100Fax +81 3 5460 6246Contact the Customer Information GroupDow PacificCustomer Information Group – Dow Water SolutionsAll countries except Indonesia and Vietnam:Toll free phone: +800 7776 7776Toll free fax: +800 7779 7779All countries:Tel. +60 3 7958 3392Fax +60 3 7958 5598Contact the Customer Information GroupDow Latin AmericaDow Quimica S.A.Dow Water SolutionsRua Alexandre Dumas, 1671Sao Paulo – SP – BrazilCEP 04717-903Tel. 55-11-5188 9277Fax 55-11-5188 9919Contact the Customer Information GroupDow North AmericaThe Dow Chemical CompanyDow Water SolutionsCustomer Information GroupP.O. Box 1206Midland, MI 48641-1206USATel. 1-800-447-4369Fax (989) 832-1465Contact the Customer Information GroupInternethttp://www.filmtec.com† Toll-free telephone number for the followingcountries: Austria, Belgium, Denmark, Finland,France, Germany, Hungary, Ireland, Italy, TheNetherlands, Norway, Portugal, Spain, Sweden,Switzerland, and the United KingdomDow ChinaDow Chemical (China) Investment Company Ltd.Dow Water Solutions23/F, One Corporate AvenueNo. 222, Hu Bin RoadShanghai 200021ChinaTel. +86 21 2301 9000Fax +86 21 5383 5505Contact the Customer Information GroupNotice: The use of this product in and of itself does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction isdependent on the complete system design and on the operation and maintenance of the system.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 andmay change with time, Customer is responsible for determining whether products and the information in this document are appropriate for Customer’s use and for ensuringthat Customer’s workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Seller assumes no obligation or liability for theinformation in this document. NO WARRANTIES ARE GIVEN; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AREEXPRESSLY EXCLUDED.Page 180 of 180 ® Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow Form No. 609-00071
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DowWater SolutionsFILMTEC Reverse O
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2.6 Biological Fouling Prevention .
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1. Basics of Reverse Osmosis and Na
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Nanofiltration (NF)Nanofiltration r
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How to Use Reverse Osmosis and Nano
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1.4 Membrane DescriptionThe FILMTEC
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Membrane systems are typically desi
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1.8 Element CharacteristicsFILMTEC
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2. Water Chemistry and Pretreatment
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SeawaterSeawater with TDS of 35,000
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Table 2.5 Water analysis for RO/NFS
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Table 2.7 Solubility products of sp
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In this process, only Ca 2+ , Ba 2+
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For the concentration ranges presen
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The conditions for CaCO 3 scale con
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Figure 2.3 Langelier saturation ind
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These computations have been descri
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Figure 2.5 “K” versus ionic str
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Figure 2.6 Ksp for CaSO 4 versus io
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2.4.6 Calcium Fluoride Scale Preven
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Figure 2.8 K sp for SrSO 4 versus i
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2.4.7 Silica Scale PreventionDissol
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Table 2.10 Solubility of SiO 2 vers
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2.4.8 Calcium Phosphate Scale Preve
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Table 2.9 Various fouling indicesIn
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Frequent shutdowns and start-ups sh
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If the differential pressure across
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1. Intake (surface) or well, before
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or combined residual chlorine (CRC)
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2.6.5 DBNPADBNPA (2,2, dibromo-3-ni
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2.6.11 Use of Fouling Resistant Mem
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2.11 Treatment of Feedwater Contain
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2.13 Summary of Pretreatment Option
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26. Handbook of Industrial Membrane
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Table 3.1 System design information
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3.2 Batch vs. Continuous ProcessAn
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3.4 Single-Stage SystemIn a single-
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The apparent salt passage of the sy
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Instead of having a separate high-p
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3.9.1 Membrane System Design Guidel
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In Table 3.6, the small commercial
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Table 3.8 Number of stages of a sea
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3.11 System Performance Projection3
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3.11.2 Design Equations and Paramet
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Table 3.10 Design equations for pro
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3.11.3 Comparing Actual Performance
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The high-pressure concentrate is fe
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If the product water from an RO sys
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Besides the above recommendations,
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4. Loading of Pressure VesselsThis
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The process of shimming is performe
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4.5.2 Summary of Large Element Inte
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5. System Operation5.1 Introduction
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5.2.3 Start-Up SequenceProper start
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5.2.4 Membrane Start-Up Performance
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5.5.3 SeawaterIn principle, the ope
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Table 5.1 Reverse osmosis operating
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A. Normalized Permeate FlowQS=ΔPsP
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For the operating conditions we hav
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4. During recirculation of cleaning
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2. The cleaning pump should be size
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6.7 Effect of pH on Foulant Removal
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Cleaning ProcedureThere are seven s
Page 129 and 130: If the organic fouling is the resul
Page 131 and 132: There are two factors that greatly
Page 133 and 134: 7. Handling, Preservation and Stora
Page 135 and 136: 7.4 Preservation of RO and NF Syste
Page 137 and 138: If the normalized actual performanc
Page 139 and 140: 8.3.3 Localization of High Solute P
Page 141 and 142: Figure 8.2 Permeate probing apparat
Page 143 and 144: 8.4.5 Performance TestThe standard
Page 145 and 146: 8.5.1.1 Low Flow and Normal Solute
Page 147 and 148: . Metal Oxide FoulingMetal oxide fo
Page 149 and 150: . Organic FoulingThe adsorption of
Page 151 and 152: 8.5.3 High Pressure DropHigh differ
Page 153 and 154: In case of fullfit or heat sanitiza
Page 155 and 156: Breakpoint chlorinationBreak tankBr
Page 157 and 158: FeedThe input solution to a treatme
Page 159 and 160: Milligram per litre (mg/L)Mixed-bed
Page 161 and 162: SBS Sodium bisulfite, NaHSO 3.Scale
Page 163 and 164: 9.2 Specific Conductance of Sodium
Page 165 and 166: Figure 9.1 Conductivity of ionic so
Page 167 and 168: 9.6 Temperature Correction FactorTa
Page 169 and 170: 9.9 Osmotic Pressure of Sodium Chlo
Page 171 and 172: Details - TestEquipment andSpecific
Page 173 and 174: satisfactory for such a determinati
Page 175 and 176: case for almost all tested biocides
Page 177 and 178: 9.12 Key Word IndexAbrasion - 150 B
Page 179: Positive displacement pump - 95 Shu
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FilmTec Technical Manual - Chester Paul Company

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