ASTM D4516-2000(2006)e1 反渗透性能数据的标准化的标准操作规程

作者:标准资料网 时间:2024-05-24 01:29:32  浏览:8208   来源:标准资料网

【英文标准名称】:StandardPracticeforStandardizingReverseOsmosisPerformanceData
【原文标准名称】:反渗透性能数据的标准化的标准操作规程
【标准号】:ASTMD4516-2000(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:额定值;工艺;性能;水;反渗透
【英文主题词】:
【摘要】:DuringtheoperationofanROsystem,systemconditionssuchaspressure,temperature,conversion,andfeedconcentrationcanvary,causingpermeateflowandsaltpassagetochange.Toeffectivelyevaluatesystemperformance,itisnecessarytocomparepermeateflowandsaltpassagedataatthesameconditions.Sincedatamaynotalwaysbeobtainedatthesameconditions,itisnecessarytoconverttheROdataobtainedatactualconditionstoasetofselectedconstantconditions,therebystandardizingthedata.ThispracticegivestheproceduretostandardizeROdata.Thispracticecanbeusedforbothspiralwoundandhollowfibersystems.Thispracticecanbeusedforasingleelementoramulti-elementsystem.However,iftheROsystemisbrinestaged,thatis,thebrinefromonegroupofROdevicesisthefeedtoasecondgroupofROdevices,standardizethepermeateflowandsaltpassageforeachstageseparately.Thispracticeisapplicableforreverseosmosissystemswithhighrejectionsandwithnosignificantleaksbetweenthefeed-brineandpermeatestreams.1.1Thispracticecoversthestandardizationofpermeateflowandsaltpassagedataforreverseosmosis(RO)systems.1.2Thispracticeisapplicabletowatersincludingbrackishwatersandseawatersbutisnotnecessarilyapplicabletowastewaters.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_120_99
【页数】:3P.;A4
【正文语种】: