LLCoalescersPALL颇尔液液聚结器汇总.ppt

©2005PallEuropeLimited颇尔液-液聚结器介绍Liquid/LiquidCoalescersPresentation2006-07-01TypesofEmulsions乳化液类型水分散在油中油分散在水中EmulsionStability稳定乳化水在油中形成反胶囊结构EmulsionStability稳定乳化空间排斥EmulsionStability稳定乳化静电排斥WhatDoesaLiquid/LiquidCoalescerDo?聚结器如何工作1)Captureofsmalldroplets(1-10microns) 捕捉1~10微米的小液滴2)Growthorcoalescenceofsmalldropletsintolargedrops(millimeter) 由小液滴通过碰撞(聚结)成毫米级大液滴3)Releaseoflargedropsfromcoalescermedium 大液滴从聚结滤芯介质脱落4)Separationofdropsfromcontinuousphasebygravity/buoyancy(horizontal)orbygravity/separatorcartridge(vertical) :油中脱水CoalescingMechanism聚结机理CoalescingMechanism聚结机理Smalldroplets小液滴LargeDroplets大液滴Gravity重力分离©2005PallEuropeLimitedLiquid/LiquidCoalescers液-液聚结器原理ThreeStages:三个阶段Filtration 过滤Coalescence聚结Separation 分离Separationoftwoimmiscibleliquids 用来分离两种不相溶的液体©2005PallEuropeLimitedFactorsAffectingCoalescence影响聚结的因素InterfacialTension:IFT,indyne/cm 界面张力:IFT,单位dyne/cmViscosity,Density 流体黏度、密度Temperature 温度Presenceofadditives 表面活性剂©2000PallEuropeLimited