1、Designation: D7285 06 (Reapproved 2010)Standard Guide forRecordkeeping Microfiltration and Ultrafiltration Systems1This standard is issued under the fixed designation D7285; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide covers procedures for well-defined record-keeping of microfiltration (MF) and ultrafiltration (UF) sys-t
3、ems.1.2 This guide includes a start-up report, recordkeeping ofMF/UF operating data, recordkeeping of pretreatment operat-ing data, and a maintenance log.1.3 This guide is applicable to waters including surfacewater, ground water and some wastewater (secondary effluent)but is not applicable to membr
4、ane bioreactors or processstreams.1.4 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 the applica-bility of regulatory limita
5、tions prior to use.2. Referenced Documents2.1 ASTM Standards:2D1125 Test Methods for Electrical Conductivity and Resis-tivity of WaterD1129 Terminology Relating to WaterD1253 Test Method for Residual Chlorine in WaterD4195 Guide for Water Analysis for Reverse Osmosis andNanofiltration ApplicationD50
6、90 Practice for Standardizing Ultrafiltration PermeateFlow Performance DataD6161 Terminology Used for Microfiltration, Ultrafiltra-tion, Nanofiltration and Reverse Osmosis Membrane Pro-cessesD6698 Test Method for On-Line Measurement of TurbidityBelow 5 NTU in WaterD6908 Practice for Integrity Testin
7、g of Water FiltrationMembrane Systems3. Terminology3.1 DefinitionsFor definitions of terms used in this guide,refer to Terminologies D1129 and D6161.3.2 Definitions of Terms Specific to This StandardFordescription of terms relating to MF/UF, refer to PracticeD5090.4. Significance and Use4.1 Proper o
8、peration and maintenance of an MF or UFsystem are key factors in obtaining successful performance.This guide provides the necessary input for the evaluation ofthe performance of the MF/UF system, the pretreatmentsystem, and the mechanical equipment in the plant.4.2 This guide is for general guidance
9、 only and must not beused in place of the operating 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 surface and groundwater and syst
10、ems which contain either spiral-wound orhollow-fiber devices.5. Procedure5.1 Start-Up Report:5.1.1 Provide a complete description of the plant. This canbe done by using a flow diagram and equipment, instrumenta-tion, and material lists to show water source, pretreatmentsystem, configuration, and pos
11、ttreatment system.5.1.2 Record initial performance of pretreatment systems asprovided in 5.2 and 5.3, respectively.5.1.3 Calibrate all gauges and meters based on manufactur-ers recommendations.5.2 MF/UF Operating Data:5.2.1 Record the permeate and reject volume or flow ratefrom the system.5.2.2 Reco
12、rd the feed, permeate, and transmembrane pres-sures of each skid as applicable.5.2.3 Record the water temperature of the feed or permeatestream.1This guide is under the jurisdiction of ASTM Committee D19 on Water and isthe direct responsibility of Subcommittee D19.08 on Membranes and Ion ExchangeMat
13、erials.Current edition approved May 1, 2010. Published May 2010. Originallyapproved in 2006. Last previous edition approved in 2006 as D7285 06. DOI:10.1520/D7285-06R10.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annua
14、l Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.2.4 Record the pH of the feed or permeate stream.5.2.5 Record the turbidity
15、 of the feed, and permeate,streams. When possible, permeate turbidity should be recordedfor each skid. For turbidity measurement use Test MethodD6698 (nephelometric turbidity).5.2.6 Record the hours of operation whenever data arecollected.5.2.7 Calibrate all gauges and meters based on manufactur-ers
16、 recommendation as to method and frequency, but no lessfrequent than once every three months.5.2.8 Record any unusual incidents, for example, upsets inturbidity, pH and pressure, and shut-downs.5.2.9 Complete water analyses of the feed and permeatestreams and the raw water as appropriate to the appl
17、icationshall be obtained at start-up and every three months thereafter.NOTE 1For all analyses, use ASTM test methods referenced in GuideD4195.5.2.10 The recommended frequency of data collection isgiven in Table 1.5.3 Pretreatment Operating Data:5.3.1 Record the operating characteristics of the pretr
18、eat-ment equipment. Since pretreatment is site dependent, specificrecommendations for all record keeping cannot be given.5.3.2 Record discharge pressure of any well or feed pumpstwice a day.5.3.3 Record inlet and outlet pressure of all pre-filters twicea day.5.3.4 If used, record consumption of acid
19、s, bases, oxidants,coagulants or any other chemicals as applicable once a day.5.3.5 Calibrate all gauges and meters based on manufactur-ers recommendations as to method and frequency, but no lessfrequent than once every three months.5.3.6 Record any unusual incidents, for example, upsets andshutdown
20、s, as they occur.5.4 Maintenance Log:5.4.1 Record routine maintenance.5.4.2 Record mechanical failures and replacements.5.4.3 Record replacements or additions of devices.5.4.4 Record calibrations of all gauges and meters.5.4.5 Record replacement or additions of pretreatmentequipment, for example, ca
21、rtridge filters and include date,brand name, and nominal rating.5.4.6 Record all cleanings of devices. Include date, durationof cleaning, cleaning agent(s) and concentration, solution pH,temperature during cleaning, flow rate, and pressures asapplicable.5.4.7 Record all integrity test results. Inclu
22、de test method,conditions and results of the test.5.4.8 Record repairs of devices.6. Keywords6.1 microfiltration; operating data; recordkeeping;ultrafiltrationASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this stand
23、ard. 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 entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be review
24、ed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible
25、 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 Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Cons
26、hohocken, 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). Permission rights to
27、photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Recommended Frequency of Data CollectionNOTEIf the system does not contain an automated SCADA system,manual readings should be recorded on a 4-h frequency.Every 8 h Daily Continuous MonthlyFlows XAXXPressures XATemperature XAXXpH XATurbidity XAXXMembrane integrity (D6908)X X XUnusual incidences on occurrenceAThe application of the MF/UF system and its operator coverage will determinea practical frequency.D7285 06 (2010)2
