ASTM D4328-2008 微咸水、海水及盐水中硫酸钡、硫酸锶和无水硫酸钙(石膏)超饱和度计算的标准实施规程
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【英文标准名称】:StandardPracticeforCalculationofSupersaturationofBariumSulfate,StrontiumSulfate,andCalciumSulfateDihydrate(Gypsum)inBrackishWater,Seawater,andBrines
【原文标准名称】:微咸水、海水及盐水中硫酸钡、硫酸锶和无水硫酸钙(石膏)超饱和度计算的标准实施规程
【标准号】:ASTMD4328-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bariumsulfate;brines;calciumsulfatedihydrate;strontiumsulfate;Bariumsulfate(BaSO4);Brackishwater/brines;Calciumsulfate(CaSO4);Saturation;Seawater(natural/synthetic);Strontiumsulfate(SrSO4);Supersat
【摘要】:Thispracticecoversthemathematicalcalculationofthesupersaturationofthreeprincipalsulfatescalingcompoundsfoundinindustrialoperations.Applicationofthisstandardpracticetothepredictionofscaleformationinagivensystem,however,requiresexperience.Thecalculationstelltheuserifawater,ormixtureofwaters,isinascalingmode.Whetherornotscalewillinfactform,howquicklyitwillform,whereitwillform,inwhatquantities,andwhatcompositionaresubjecttofactorsbeyondthescopeofthispractice.However,basedonhowsupersaturatedagivenwaterormixtureofwatersis,anobjectiveevaluationoftherelativelikelihoodofscaleformationcanbemade.Note18212;Thereareseveralpersonalcomputer(PC)typeprogramsthatarebothavailablecommerciallyandpubliclythatwillperformthesecalculations.1.1Thispracticecoversthecalculationofsupersaturationofbariumsulfate,strontiumsulfate,andcalciumsulfatedihydrate(gypsum)inbrackishwater,seawater,andbrinesinwhichbarium,strontium,andcalciumionseithercoexistorexistindividuallyinsolutioninthepresenceofsulfateions.1.2Thispracticeisnotapplicableforcalculatingcalciumsulfatedihydratesupersaturationifthetemperaturesofsalinewatersunderinvestigationexceed95x00B0;C.Attemperaturesabove95x00B0;C,hemianhydrateandanhydritewouldbemajorinsolubleforms.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z17
【国际标准分类号】:13_060_30
【页数】:6P.;A4
【正文语种】:英语
【原文标准名称】:微咸水、海水及盐水中硫酸钡、硫酸锶和无水硫酸钙(石膏)超饱和度计算的标准实施规程
【标准号】:ASTMD4328-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bariumsulfate;brines;calciumsulfatedihydrate;strontiumsulfate;Bariumsulfate(BaSO4);Brackishwater/brines;Calciumsulfate(CaSO4);Saturation;Seawater(natural/synthetic);Strontiumsulfate(SrSO4);Supersat
【摘要】:Thispracticecoversthemathematicalcalculationofthesupersaturationofthreeprincipalsulfatescalingcompoundsfoundinindustrialoperations.Applicationofthisstandardpracticetothepredictionofscaleformationinagivensystem,however,requiresexperience.Thecalculationstelltheuserifawater,ormixtureofwaters,isinascalingmode.Whetherornotscalewillinfactform,howquicklyitwillform,whereitwillform,inwhatquantities,andwhatcompositionaresubjecttofactorsbeyondthescopeofthispractice.However,basedonhowsupersaturatedagivenwaterormixtureofwatersis,anobjectiveevaluationoftherelativelikelihoodofscaleformationcanbemade.Note18212;Thereareseveralpersonalcomputer(PC)typeprogramsthatarebothavailablecommerciallyandpubliclythatwillperformthesecalculations.1.1Thispracticecoversthecalculationofsupersaturationofbariumsulfate,strontiumsulfate,andcalciumsulfatedihydrate(gypsum)inbrackishwater,seawater,andbrinesinwhichbarium,strontium,andcalciumionseithercoexistorexistindividuallyinsolutioninthepresenceofsulfateions.1.2Thispracticeisnotapplicableforcalculatingcalciumsulfatedihydratesupersaturationifthetemperaturesofsalinewatersunderinvestigationexceed95x00B0;C.Attemperaturesabove95x00B0;C,hemianhydrateandanhydritewouldbemajorinsolubleforms.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z17
【国际标准分类号】:13_060_30
【页数】:6P.;A4
【正文语种】:英语
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