库仑定律的应用

viscosityreducerhasgoodviscosityreducingeffect.Whenthedosagearrivesat400ppm,viscosityreducingrateis70%.Meanwhilediscussesaffectingfactorsonviscosityre ducingeffectinreactingtime,reactingtemperature,thepro portionofreactant,catalystdosage,andsoon.

SUBJECTHEADINGS:viscouscrudeoil,viscosityreducer,combcopolymer,methylester(MAME),acrylicamide(AA),styrene(s),octadecanol

MICELLARCO-POLYMERIZATIONOFACRYLICACIDOCTADECYLACRYLATEANDEFFECTOFTEMPERATURE,SALINITYANDSHEARRATEONITSVISCOSITY

TangShuzhong,WangQiang,LiuZhenjun,etal(De partmentOfChemicalEngineering,SouthwestPetroleumIn stitute).CHEMICALENGINEERINGOFOILANDGAS,VOL.30,NO.2,pp89~91,2001(ISSN1007-3426,INCHINESE)

ABSTRACT:Octadecaylacrylate(OA)wasmadeofacrylicacid,octadecaanolandchlorinatedsulfoxide.OA-AMdipolymerwassynthesizedfromacrylamide(AM),oc tadecylacrylate(OA)bymicellarco-polymerizationinaqueoussolution.Polymerizationtechniqueconditionsandtheireffectsonthepropertiesofproductswerestudied.Salttoleranceandtemperatureresistancepropertiesofthisdipolymerwereinvestigatedpreliminarily.Theresultsshowedthatthedipolymerhadbetterviscosifyingcapacityinbrineatelevatedtemperaturethanthepolyarylamideandthedipoly merhadthereversibilityoftherheologicalmeasurement.SUBJECTHEADINGS:hydrophobicassociationwa ter-solublepolymer,salttolerance,temperatureresistance,micellarco-polymerization

NEWDEVELOPMENTDIRECTIONSOFDEMULSI FIER

ChenHeping,XuJiaye,ZhangQunzheng(DepartmentofPetroleumChemicalEngineering,Xi anPetroleumInsti tute).CHEMICALENGINEERINGOFOILANDGAS,VOL.30,NO.2,pp92~95,2001(ISSN1007-3426,INCHI

NESE)

ABSTRACT:Thenewdevelopmentdirectionsofdemulsifierhavebeensummarizedcomprehensively.Thede tailsofthenovelnonchemicaldemulsifier,emulsionbreaking

methodsandthetechnologyhavebeenmentionedaswell.

SUBJECTHEADINGS:chemicaldemulsifier,non-chemicaldemulsifier,emulsionbreakingmethods,selectionDETERMINATIONOFWATERCONTENTINORIMULSIONBYKARLFISCHERCOULOMETRICPROCEDURE

ZhangWei(NingboEntry-ExitInspectionandQuar antineAdministration).CHEMICALENGINEERINGOFOILANDGAS,VOL.30,NO.2,pp96~97,2001(ISSN1007-3426,INCHINESE)

ABSTRACT:ThispaperintroducesthewatercontentdeterminationmethodinorimulsionbyKarlFischercoulo ingthechloroform/anhydrousmethanolasthesolventoforimulsion,thewatercontentinorimulsioncanbedeterminedpreciselybyDL37KarlFischertitrator.Therecoveryis99.53%~100.35%.

SUBJECTHEADINGS:KarlFischermethod,coulo metricdetermination,orimulsion,watercontent

STUDYOFTHETOTALCONTROLOFPOLLUANTSDISCHARGINGINPETROLEUMINDUSTRYYuXiaoli,DuWeidong(EnvironmentalMonitoringCen tre,CNPC).CHEMICALENGINEERINGOFOILANDGAS,VOL.30,NO.2,pp100~102,2001(ISSN1007-3426,INCHINESE)

ABSTRACT:Thetotalcontrolisasystemengineer ing,whichconsistsofheadstreamcontrol,processingcontrolandtreatmentinend.Monitoringisanavailabilitymethodforthetotalcontrol.Thispaperanalyzesexistingproblemsinthetotalcontrol,discussesthetotalcontrolbasicamountinwastewaterdischarging,dischargingreachingstandardratio,andsoon.Thecalculatemethodsoftheseparametersareprovided.

SUBJECTHEADINGS:totalcontrol,totalcontrolbasicamount,dischargingreachingstandardratio