1、Designation: D 5131 90 (Reapproved 2007)Standard Guide forRecord Keeping for Electrodialysis/Electrodialysis ReversalSystems1This standard is issued under the fixed designation D 5131; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision
2、, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide covers procedures for well defined recordkeeping for electrodialysis (ED) and electrodialysi
3、s reversal(EDR) systems.1.2 This guide includes a start up report and record keepingfor ED/EDR and pretreatment operating and maintenance data.1.3 This guide is applicable to all waters but is not neces-sarily complete for waste waters.1.4 This is a guide only and should not be construed as acomplet
4、e delineation of all record keeping required for aspecific application.1.5 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine th
5、e applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 1125 Test Methods for Electrical Conductivity and Re-sistivity of WaterD 1129 Terminology Relating to WaterD 1253 Test Method for Residual Chlorine in WaterD 1889 Test Method for Turbidity of Water3D
6、 4189 Test Method for Silt Density Index (SDI) of WaterD 5091 Guide for Water Analysis for Electrodialysis/Electrodialysis Reversal Applications3. Terminology3.1 DefinitionsFor definitions of terms used in this guiderefer to Terminology D 1129.4. Significance and Use4.1 Proper operation and maintena
7、nce of an ED/EDR sys-tem and any associated pretreatment system are key factors inobtaining optimum performance. This guide provides thenecessary input data for the evaluation of the performance ofthe ED/EDR system, the pretreatment system, and the me-chanical equipment in the plant.4.2 This guide i
8、s for general guidance only and must not beused in place of the operating manuals and manufacturersrecommendations for specific equipment or a specific applica-tion.4.3 Site dependent, equipment design and regulatory re-quirement factors prevent specific recommendations for allrecord keeping. Thus,
9、only general record keeping relating tooperation and maintenance is covered by this guide.5. Procedure5.1 Start Up Report:5.1.1 Provide a complete description of the water source,pretreatment system, ED/EDR plant, and post treatment equip-ment. This can be done by using the system flow diagram andeq
10、uipment material and instrumentation lists.5.1.2 Provide a listing of all specific chemicals used withtheir design dosage rates.5.1.3 Provide a listing of all design parameters for pres-sures, flows, water analysis for raw water and ED/EDR feedproduct and brine waste, temperature, and dc power appli
11、ed tothe ED/EDR system.5.1.4 Provide a record of instrument calibrations in accor-dance with manufacturers recommendations.5.1.5 Record initial performance of the pretreatment, ED/EDR, and post treatment systems as provided in 5.1, 5.3, and5.4 respectively.5.2 ED/EDR Operating Data:NOTE 1ED/EDR proc
12、ess monitoring equipment and site specificmonitoring equipment vary with manufacturers designs. Consult theequipment manufacturer to determine the specific listed items to bemonitored.NOTE 2The periodic polarity reversal in reversing electrodialysissystems upsets the process equilibrium. Data should
13、 not be taken during1This guide is under the jurisdiction of ASTM Committee D19 on Water and isthe direct responsibility of Subcommittee D19.08 on Membranes and Ion ExchangeMaterials.Current edition approved Dec. 1, 2007. Published January 2008. Originallyapproved in 1990. Last previous edition appr
14、oved in 2001 as D 5131 90 (2001).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Withdrawn.1Copyright ASTM I
15、nternational, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.the period of reversal. Consult the equipment manufacturer to determinethe periods of time at which operating data should be taken.5.2.1 The recommended minimum frequency of data collec-tion is daily un
16、less otherwise noted. On large or criticalsystems more frequent data collection, such as once per shift,for daily items, may be justified.5.2.2 Record applicable pressures, including5.2.2.1 Feed pump discharge pressure,5.2.2.2 Cartridge filter inlet pressure,5.2.2.3 Cartridge filter outlet pressure,
17、5.2.2.4 Brine pump discharge pressure,5.2.2.5 Feed pressure to stack(s),5.2.2.6 Brine pressure to stack(s),5.2.2.7 Product pressure from stack(s),5.2.2.8 Brine pressure from stack(s),5.2.2.9 Feed/brine inlet differential pressure to stack(s),5.2.2.10 Product/brine outlet differential pressure fromst
18、ack(s), and5.2.2.11 Electrode feed inlet pressure.5.2.3 Record applicable flows, including5.2.3.1 Total supply flow,5.2.3.2 Dilute flow,5.2.3.3 Brine flow,5.2.3.4 Brine makeup flow,5.2.3.5 Product flow, and5.2.3.6 Electrode flows.5.2.4 Record dc voltage and amperes applied to eachelectrical stage in
19、 each stack.5.2.5 Record temperature of feed to the stacks.5.2.6 Record the conductivity of the feed, product and brinewaste. For conductivity measurements use Test MethodsD 1125.5.2.7 Unless known to be completely absent, record theconcentration of free residual chlorine in the ED/EDR feed.Use Test
20、 Method D 1253.5.2.8 Record the elapsed operating time whenever operatingdata is taken.5.2.9 Record input power consumption if applicable.5.2.10 Record dosage settings and supply levels of chemicalfeeds, if applicable.5.2.11 Record the turbidity or silt density index (SDI) orboth of the ED/EDR feeds
21、tream. Consult the equipmentsupplier for recommended data collection frequency. Use TestMethod D 4189 for SDI and Test Methods D 1889 for turbidity(nephelometric turbidity).5.2.12 Record any unusual incidents, for example, upsets inpretreatment and chemical additions, abnormal pressures, andshutdown
22、s.5.2.13 Obtain complete water analysis of the ED/EDR feed,product and brine streams, and the raw water at start up andevery six months thereafter. The analysis shall include thefollowing:Sodium (Na+) Chloride (Cl)Calcium (Ca+) Bicarbonate (HCO3)Magnesium (Mg+) Sulfate (SO4)pH ConductivityTotal diss
23、olved solidsPerform additional analysis in accordance with the manu-facturers recommendations for the specific site; analyses mayinclude, but not be limited to, the following:Potassium (K+) Carbonate (CO3)Iron (Fe), total and dissolved Nitrate (NO3)Manganese (Mn), total and dissolved Fluoride (F)Str
24、ontium (Sr+) Total Organic Carbon (TOC)Barium (Ba+) Sulfide Ion (S)Aluminum (Al)For all analysis use the test methods referenced in GuideD 5091.5.3 Pretreatment Data:5.3.1 Record the operating data for the pretreatment equip-ment. Since pretreatment is site dependent, specific recommen-dations for a
25、ll record keeping cannot be given.5.3.2 Record discharge pressure of any well or boosterpump once per day.5.3.3 Record inlet and outlet pressure of any filters once perday.5.3.4 Record any chemical dosage rates and supply levelsonce per day.5.3.5 Record the quantities of any additions to a chemicals
26、upply when they are made.5.3.6 Record any unusual incidents, for example upsets,equipment failures, or shut downs.5.3.7 Record any other data applicable to the pretreatment inaccordance with the equipment suppliers recommendations.5.4 Maintenance Data:5.4.1 Record a schedule for routine inspection a
27、nd mainte-nance. Since equipment is site dependent, specific recommen-dations for all routine inspection and maintenance cannot begiven. Consult the equipment suppliers and the equipmentmanuals for specific recommendations.5.4.2 Record all scheduled inspections and maintenanceperformed.5.4.3 Record
28、service to any filter, for example, back wash-ing of media filters and cartridge filter changes.5.4.4 Record all special inspections, repairs, and replace-ments.5.4.5 Record any changes of chemicals or chemical dosagesused.5.4.6 Record any changes or additions to plant equipment,or controls.5.4.7 Re
29、cord all cleanings of the ED/EDR stacks. Includeduration of cleaning, type, and quantity of cleaning chemicalsused.5.4.8 Check ED/EDR stacks for malfunctions in accordancewith the manufacturers recommended procedure and fre-quency, but in no case less frequently than once each monthand within1hofret
30、urning to service after any disassembly.5.4.9 Record all repairs to ED/EDR stacks. Include adescription of the problem, a description of components, andtheir quantity replaced, and the disposition of componentsreplaced.6. Keywords6.1 desalination; electrodialysis; recordsD 5131 90 (2007)2ASTM Intern
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32、heir own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand shoul
33、d be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Stand
34、ards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D 5131 90 (2007)3
