高效降凝劑的研制

1、分類號(hào)：TQ3236UDC：y964s97單位代碼：10220學(xué)號(hào)：G02055大慶石油學(xué)院工程碩士專業(yè)學(xué)位論文論文題目：碩士生：指導(dǎo)教師(校內(nèi))：指導(dǎo)教師(企業(yè))：申請學(xué)位級(jí)別：高教隆凝劑地研制蘸維溉趙曉韭尉教援董或蠶高級(jí)王程炳王程硬工程領(lǐng)域：化學(xué)王程一提交論文時(shí)間：9咂生量縣墅胃答辯日期：嬰咂年，曼且堡目授予學(xué)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