ASTM D4188-2008 在线加压凝结-絮凝-过滤试验标准实施规程
时间:2024-05-14 22:45:03 来源: 标准资料网 作者：标准资料网 阅读：9982
【英文标准名称】:StandardPracticeforPerformingPressureIn-LineCoagulation-Flocculation-FiltrationTest
【原文标准名称】:在线加压凝结-絮凝-过滤试验标准实施规程
【标准号】:ASTMD4188-2008
【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】:D19.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Coagulation-flocculation;Colloidaldispersions;Effluents;Filters/filterprocedures--watertesting;Flocculation;Pressuretesting--waterapplications;Wastewatertesting/treatment;Wateranalysis
【摘要】:Pressurein-linecoagulation-flocculationfollowedbyfiltrationisaneffectiveprocesstoremovesuspendedandcolloidalmatterfromwaterandwastewater.Theeffectivenessofthisprocessisdependentonthetypeandconcentrationoftheflocculantorcoagulant,orboth,thepH,thetemperature,thefiltrationmedium(a),andthefiltrationrate.Thispracticepermitstheevaluationofthesevariousparameters.Thispracticecanalsobeusedtodeterminefilterbackwashandrinserequirements.Theresultsobtainedfromthispracticecanbeusedforplantdesignoflargesystems.1.1Thispracticecoverstheprocedureusedtoperformpressurein-linecoagulation-flocculation-filtrationofwaterandwastewater.Itisapplicabletowaterandwastewaterwithrelativelylowsuspendedsolids(x003C;30mg/L).Thepracticeisapplicableforanysizefiltergreaterthan100mm(4in.)indiameter.1.2Thispracticecanbeusedtodeterminetheeffectivenessofflocculantsorcoagulants,orboth,andfiltermedium(a)inremovingsuspendedandcolloidalmaterialfromwaterandwastewater.1.3Intervalbetweenfilterbackwashing,backwashrequirements,rinserequirements,andeffectoffiltrationrateoneffluentqualitycanalsobeobtainedwiththispractice.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_30
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Coldreducedtinmillproducts-Electrolytictinplateandelectrolyticchromium/chromiumoxidecoatedsteel.
【原文标准名称】:冷轧锡加工产品.电解镀锡薄钢板和电解镀铬/氧化铬钢
【标准号】:NFA36-142-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-01-01
【实施或试行日期】:2002-01-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:H40
【国际标准分类号】:77_140_50
【页数】:50P;A4
【正文语种】:其他
【英文标准名称】:Weldingconsumables-Coveredelectrodesformanualmetalarcweldingofhigh-strengthsteels-Classification
【原文标准名称】:焊接消耗品.高强度钢手工金属弧焊用涂药焊条.分类
【标准号】:ISO18275-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-05-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Applications;Arcwelding;Classification;Deliveryconditions;Electricwelding;Electrodes;High-tensilesteels;Jointwelding;Manualwelding;Marking;Properties;Rodelectrodes;Sheated;Specification(approval);Steels;Welding;Weldingelectrodes;Weldingengineering
【摘要】:ThisInternationalStandardspecifiesrequirementsforclassificationofcoveredelectrodesanddepositedmetalintheas-weldedconditionandinthepost-weldheat-treatedconditionformanualmetalarcweldingofhigh-strengthsteelswithaminimumyieldstrengthgreaterthan500MPaoraminimumtensilestrengthgreaterthan570MPa.ThisInternationalStandardisacombinedspecificationprovidingaclassificationutilizingasystembasedupontheyieldstrengthandanaverageimpactenergyof47Joftheall-weldmetal,orutilizingasystembaseduponthetensilestrengthandanaverageimpactenergyof27Joftheall-weldmetal.a)Subclausesandtableswhichcarrythesuffixletter“A”areapplicableonlytocoveredelectrodesclassifiedunderthesystembasedupontheyieldstrengthandanaverageimpactenergyof47Joftheall-weldmetalgiveninthisInternationalStandard.b)Subclausesandtableswhichcarrythesuffixletter“B”areapplicableonlytocoveredelectrodesclassifiedunderthesystembaseduponthetensilestrengthandanaverageimpactenergyof27Joftheall-weldmetalgiveninthisInternationalStandard.c)Subclausesandtableswhichdonothaveeitherthesuffixletter“A”orthesuffixletter“B”areapplicabletoallcoveredelectrodesclassifiedunderthisInternationalStandard.
【中国标准分类号】:J33
【国际标准分类号】:25_160_20
【页数】:36P.;A4
【正文语种】:英语