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1、缓蚀阻垢剂的原理(Principlesofcorrosioninhibitors)TheprincipleofscaleinhibitorinhibitorprincipleprincipleprincipleinhibitorofCorrosionInhibitorCorrosionInhibitorinwaterhasacertainvalidity,withthepassageoftime,somecomponentsoftheinhibitorswouldbehydrolyzed,decompositionorothe
2、rchemicalaction,reducethescaleinhibitorforasthesupplementtoaddwater,scaleinhibitor,istomaintaineffectiveconcentrationinwater.Antiscalants:wherethemedicineiscalleddirtandscaleinhibitorcontrol.Thescaleinhibitionmechanismoffunctionalcompositionofscaleinhibitor,cationic
3、chelatingagent,cationicandanionicblockade,inhibitthereactionandpreventfouling,atthesametime,theactivityofpointscaleinhibitoronthenucleationandcrystalspecialadsorptioncapacity,inhibititsgrowth,sojustaddinglowconcentrationcanshowtheeffectof.Thechemicalequivalentaction
4、ofscaleinhibitorsiscalledthelowlimiteffect.3_;N4F#_,formingDinorganicscalingprocesscanbedividedintothefollowing3steps:theformationofsupersaturatedsolution;}#.^%3s)O2V&T-theformationofcrystalnucleus;thecrystalnucleusgrowth,crystalformation.Oneofthe3stepsoftheQ/y+,Q#
5、,i+,J:,Q+,lisdestroyedandthefoulingprocessissloweddownorsuppressed.Theroleofscaleinhibitorsistoeffectivelypreventoneormoreofthesestepsinordertoachievethepurposeofscaleinhibition.Theinterferencemechanismofcrystalgrowthinhibitorsareofthefollowingstatement:H:A3M/Z9f;X'
6、W4A1.x:e+C+chelationsolubilization;K2v$JchelationsolubilizationreferstotheinhibitorofCa2+andMg2+,andwater,etc.Sr2Ba2metalioncomplexsynthesisofstablewatersolublechelates.Theconcentrationoffreecalciumandmagnesiumionsdecreased,soastoincreasethesolubilityofsubstancessuc
7、hasCaCO3,wouldhaveprecipitatedsolutionCaCO3andothersubstancesnotactuallyprecipitated.Theso-calledthresholdeffectscalereferstoonlyasmallamountofaddinginhibitortothesolution,alargenumberofscalingionscanbestableinsolution,thereisnostrictstoichiometricrelationshipbetwee
8、nthem,whentheinhibitorsincreasedtoohigh,thestabilityofinhibitionisnotimprovedsignificantly.2.theroleoflatticedistortionofnormalcrystalisth