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在高压下规整填料中的流动实验研究.pdf
Chinese
d.Chem.Eng.,12(4)482—485(2004)
in
An ofStructured
Study PackingHigh
Experimental
PressureServices丰
TANG Peng(张鹏),CHENJiangbo(陈,江波),
Zhongli(唐忠利),ZHANG
LIU Yu
Chunjiang(1春江)”,YUANXigang(袁希钢)andGuocong(余国琮)
State ofChemical 300072,China
KeyLaboratory Engineering(Tianjin),TiajinUniversity,Tianjin
and for tracer werecarried
AbstractBothdistillation studybackmixingby technique
performancehydrodynamic
outina columnwith0.15minnerdiameteroverawide of conditions.Isobutane
packed rangeoperating
high-pressure
as thedistillation and isusedforthe
and are testmixturein hydrodynamic
n.pentaneemployed experimentair/water
columnisinstalledwith 350Ystructuredandthetotal is2.0m.With
study.The Mellapak packing packingheight
the increaseswhiletheF—factor tothe
increasingoperatingpressure,theseparationefficiency slightly corresponding
ateach is isnoted all theincrease
maximum that,atoperatingpressures,with
efficiencypressuredescending.It
ofF.factor.the is tothe ofSRPmodelto
packingefficiencyslightlyhigherup floodingpoint.Theapplication
muchlowervaluesof thanthoseobtained additional
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