ASTM D4266-1996(2009)e1 粉状离子交换树脂预涂覆能力的标准试验方法

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【英文标准名称】:StandardTestMethodsforPrecoatCapacityofPowderedIon-ExchangeResins
【原文标准名称】:粉状离子交换树脂预涂覆能力的标准试验方法
【标准号】:ASTMD4266-1996(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:floc;ionexchange;powderedresin;Powderedionexchangeresins;Precoatcapacity/precoating;Saltremovalcapacity;Anionexchangeresins;Cationexchangeresins(powdered);Ionexchangeresins
【摘要】:Thesaltremovalcapacityofapowderedresinprecoatislimitedbythecapacityofeithertheanion-exchangeresinorthecation-exchangeresincontainedinit.Applicationsincludecondensatepolishinginfossil-fueledelectricgeneratingplants,aswellascondensatepolishing,spentfuelpoolwatertreatment,reactorwatertreatment,andlow-levelradioactiveliquidwastetreatmentinnuclear-poweredelectricgeneratingplants.Bydeterminingtheion-exchangecapacityprofileofeitheracationexchangeresinorananion-exchangeresin(capacityexpendedperunitoftimeunderspecificconditions),itispossibletoestimaterunlengthandremainingcapacitywhentreatingaliquidofthesamemakeup.Althoughtheycannotaccuratelypredictperformanceduringcondenserleaks,thesetestmethodsareusefulfordeterminingoperatingcapacitiesasmeasuredunderthetestconditionsused.Thesetestmethodsmaybeusedtomonitortheperformanceofeitherpowderedanion-exchangeresinorpowderedcation-exchangeresin.Thetotalcapacityofeitherresindependsprimarilyuponthenumberdensityofion-exchangesiteswithintheresin.Theoperatingcapacityisafunctionofthetotalcapacity,degreeofconversiontothedesiredionicformwhenreceived,andpropertiesoftheresinandthesystemthataffectionexchangekinetics.1.1Thesetestmethodscoverthedeterminationoftheoperatingion-exchangecapacityofbothpowderedcation-exchangeresins(hydrogenform)andpowderedanion-exchangeresins(hydroxideform).Thesetestmethodsareintendedforuseintestingnewpowderedion-exchangeresinswhenusedforthetreatmentofwater.Thefollowingtwotestmethodsareincluded:
Sections
TestMethodAx2014;OperatingCapacity,Anion-ExchangeResin,HydroxideForm
7to15
TestMethodBx2014;OperatingCapacity,Cation-ExchangeResin,HydrogenForm
16to24