PTA相關(guān)體系常壓及高壓下密度和粘度的測定.pdf

1、天津大學(xué)碩士學(xué)位論文PTA相關(guān)體系常壓及高壓下密度和粘度的測定姓名：周清申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：馬沛生20031201ABSTRACTThispaperisaboutpartialworksupportedbyChinesePetroleumChemicalEngineeringCompanyItisincludemeasurementofdensityandviscosityrelatedsystemsofPTAsy

2、nthesizedprocessThedensitiesandviscositiesweremeasuredbyavibratingdensitometer(modelDA505U)andaUbbelohdesuspendedlevelviscometeratatmosphericpressureforsystemsofp—xylenecyclohexane，P—xylene肝一heptane，benzenesulfolane，tolu

3、enesulfolane，ethylbenzenesulfolane，o—xylenesulfolane，mxy／enesulfolane，Pxylenesulfotane，cyclohexaneN—methyl2一pyrrolidone，benzeneNmethyl2pyrrolidone，tolueneNmethyl一2pyrrolidone，ethylbenzeneNmethyl2pyrrolidoneandP—xyleneNme

4、thyl2一pyrrolidone，total13systemsTheexcessmolarvolumesanddeviationofviscositywerecalculatedThe臚and彳”werefittedbyRedlichKisterequationrespectivelyAthighpressure，thedensityandviscosityforpuresubstancesoftheH—pentane，cyclohe

5、xane，，z—octane，isooctane，benzeneandethylbenzeneweremeasuredbyvibrating—wireviscometerindifferenttemperaturerangeThebinarymixtureofthePxyleneandcyclohexaneatdifferentcompositionswerealsomeasuredFurthermore，thevibrating—wi

6、reviscometerforhightemperatureandhighpressurewasimprovedItexpandedthemeasurementrangeofthisinstrumentBasedonreliabilityconfirmedbyexperiment，viscositiesanddensitiesoftheP—xylene，nheptaneanddimethylcarbonateweremeasuredKe