高效降凝劑的研制

1、分類號：TQ3236UDC：y964s97單位代碼：10220學號：G02055大慶石油學院工程碩士專業(yè)學位論文論文題目：碩士生：指導教師(校內(nèi))：指導教師(企業(yè))：申請學位級別：高教隆凝劑地研制蘸維溉趙曉韭尉教援董或蠶高級王程炳王程硬工程領域：化學王程一提交論文時間：9咂生量縣墅胃答辯日期：嬰咂年，曼且堡目授予學位日期_一2006年5月26日ABSTRACTSynthesisofHighefficientPourPointDepres

2、santABSTRACTWiththedevelopmentofournationaleconomythedemandfortheenergyincreaseddaybydayespeciallytherequirementofcrudeoilisurgentHowevercrudeoilisnotonlyinsufficient，butalsolimitedbythetemperatureintransportingItisneces

3、saryforittocalefacientwhenitisbelowthepourpointwhichmakesthecontradictionmoreobviousbetweenthesupplyanddemandofCrudeoilByusingPourPointDepressants(PPD)Canalleviateabove—mentionedquestionsandcreatebenefitsforeconomyandsoc

4、ietyAccordingtothepeculiarcharacterofwaxycrudeoil，theactionmechanismofPourPointDepressantisgeneralizedandinvestigatedinthispaperanditisdifferentindifferentgrowthperiodofWaxcrystal，whichiscloselyrelatedtotilechemicalconst

5、itutionaccordingtodifferenttypeofPPDThefactorsaffecttheimprovementeffectivenessafteraddingPPDincrudeoiltransportedinpipelineincludethecompositionofcrudeoil，thechemicalsLmctureofPPD，theadditionPPDtreatmentconditions，andth

6、eheatandshearhistorythatcrudeoilgoesthroughinpipeline，etcThispaperinvestigatedsomeefficientPPD，andsynthesizedthePPDforACseriesandSMAseriesItdiscussedthesynthesizingconditionofthesePPD，andconfirmedtheoptimalsynthesizecond

7、itionInthispapertheapplicationofPPDinDaqingcrudeoilandLiaohecrudeoilwasevaluatedthebestproportionsofthecompoundPPDappliedinDaqingcmdeoilandLiaohecrudeoilwereconfirmedAC—a4andACa5depresspourpointofDaqingcrudeoilby8。C，AC—b

8、5depresspourpointofLiaohecrudeoilby3。CThecompoundPPDofACa4andSMAa3CandepressthepourpointofDaqingcrudeoilby8。C(MassratioisI：1)，compoundingAC—a4andSMA—a3candepressthepourpointofLiaohecrudeoilby4。C(Massratiois2：1)Keywords：P