%0 Journal Article
%T StudiesofHeterogeneousHydrothermalStrippingfromIron-loadedNaphthenicAcid？Alcohol？Kerosen
%A WANGXing-yao(王兴尧)
%A KANGXiao-hong(康晓红)
%A etal.
%J 过程工程学报
%D 2003
%X Thetechniqueofhydrothermalstrippingfrommixedaqueous-organicsystemsisapromisingmethodforsynthesizingoxideceramicpowdersforhigh-performanceapplications.Somefactorsinfluencingheterogeneoushydrothermalstrippingwithwaterfromiron-loadedorganicphaseofnaphthenicacid？isooctylalcohol？kerosene,suchasinitialconcentrationsofironandnaphthenicacid,concentrationofFe2O3“seed”,temperatureandtime,wereinvestigated.Basedontheexperimentalresults,therateequationwasestablished.Nano-ferricoxidepowderswereobtainedbythetechniqueofhydrothermalstrippingfromtheiron-loadedorganicphase.Theresultssuggestthattheheterogeneoushydrothermalstrippingproceedsin3stepsadsorptionofnaphthenicaciddimersandnaphtheniccomplexofironontothesurfaceof“seed”,hydrolysisofadsorbedcomplexofiron,andcondensationofhydrolyzedcomplex.Theprocessactivationenergyis115kJ/molandtheheterogeneoushydrothermalstrippingiscontrolledbyachemicalreaction(thehydrolysisofnaphtheniccomplexofiron).
%K iron-loadedorganicphase
%K heterogeneoushydrothermalstripping
%K rateequation
%K nano-ferricoxide
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=793