ASTM D4472-1989(2003) Standard Guide for Recordkeeping for Reverse Osmosis Systems《反渗透系统的记录保持指南》.pdf

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1、Designation: D 4472 89 (Reapproved 2003)Standard Guide forRecordkeeping for Reverse Osmosis Systems1This standard is issued under the fixed designation D 4472; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisi

2、on. 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 record-keeping of reverse osmosis (RO) systems.1.2 This guide includes a start-up

3、report, recordkeeping ofRO operating data, recordkeeping of pretreatment operatingdata, and a maintenance log.1.3 This guide is applicable to waters including brackishwaters and seawaters but is not necessarily applicable towastewaters.1.4 This standard does not purport to address all of thesafety c

4、oncerns, 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 the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:D 1125 Test Methods for Electrical Co

5、nductivity and Re-sistivity of Water2D 1129 Terminology Relating to Water2D 1253 Test Method for Residual Chlorine in Water2D 1889 Test Method for Turbidity of Water2D 3739 Practice for Calculation and Adjustment of Lange-lier Saturation Index for Reverse Osmosis3D 4189 Test Method for Silt Density

6、Index (SDI) of Water2D 4194 Test Methods for Operating Characteristics of Re-verse Osmosis and Nanofiltration Devices3D 4195 Guide for Water Analysis for Reverse OsmosisApplication3D 4582 Practice for Calculation and Adjustment of the Stiffand Davis Stability Index for Reverse Osmosis33. Terminology

7、3.1 DefinitionsFor definitions of terms used in this guide,refer to Terminology D 1129.3.2 Definitions of Terms Specific to This Standard: Fordescription of terms relating to RO, refer to Practice D 3739and Test Methods D 4194.4. Significance and Use4.1 Proper operation and maintenance of an RO syst

8、em arekey factors in obtaining successful performance. This guideprovides the necessary input for the evaluation of the perfor-mance of the RO system, the pretreatment system, and themechanical equipment in the plant.4.2 This guide is for general guidance only and must not beused in place of the ope

9、rating manual for a particular plant.4.3 Site-dependent factors prevent specific recommenda-tions for all recordkeeping. Thus, only the more generalrecordkeeping is covered by this guide.4.4 This guide can be used for both brackish and seawatersystems which contain either spiral-wound or hollow-fibe

10、rdevices.5. Procedure5.1 Start-Up Report:5.1.1 Provide a complete description of the RO plant. Thiscan be done by using a flow diagram and equipment, instru-mentation, and material lists to show water source, pretreat-ment system, RO configuration, and posttreatment system.5.1.2 Record initial perfo

11、rmance of RO and pretreatmentsystems as provided in 5.2 and 5.3, respectively.5.1.3 Calibrate all gages and meters based on manufactur-ers recommendations.5.2 RO Operating Data:5.2.1 Record the permeate and brine flows of each stage inthe RO system.5.2.2 Record the feed, permeate, and brine pressure

12、s of eachstage. For hollow-fiber devices also record the brine pressurefor each permeator.5.2.3 Record the water temperature of the feed stream afterthe RO pump or of the permeate stream.5.2.4 Record the pH of the feed, permeate, and brinestreams.1This guide is under the jurisdiction of ASTM Committ

13、ee D19 on Water and isthe direct responsibility of Subcommittee D19.08 on Membranes and Ion ExchangeMaterials.Current edition approved June 10, 2003. Published August 2003. Originallyapproved in 1985. Last previous edition approved in 1998 as D 4472 89 (1998)e1.2Annual Book of ASTM Standards, Vol 11

14、.01.3Annual Book of ASTM Standards, Vol 11.02.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2.5 Record the conductivity of the feed, permeate, andbrine streams for each stage. For hollow-fiber devices, alsorecord the brine conduc

15、tivity of each permeator. For conduc-tivity measurements use Test Methods D 1125.5.2.6 Record the Silt Density Index (SDI) or turbidity of theRO feed stream, or both. For SDI measurements use TestMethod D 4189. For turbidity measurement use Test MethodD 1889 (nephelometric turbidity).5.2.7 Record th

16、e Langelier Saturation Index (LSI) of thebrine stream from the last stage. For LSI determination usePractice D 3739.NOTE 1For brackish water applications with RO brine streams10 000 mg/L total dissolved solids and for seawater, the Stiff and DavisStability Index (S recordkeeping; reverse osmosisASTM

17、 International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are ent

18、irely their 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 standardsan

19、d should 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 o

20、n Standards, 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 a

21、t 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 1 Recommended Frequency of Data CollectionEvery 8 h Daily Weekly MonthlyFlowsPressures:XAXsystem (by stages)permeator (brine port)XAXXAXTemperature XAXpHConductivity:XAXsystem (by stages)permeator (brine port)XAXAXAXSDI or turbidity, or both XAXLSI XUnusual incidences on occurrenceAThe size of the RO system and its operator coverage will determine a practicalfrequency.D 4472 89 (2003)2