磁化破乳剂处理含聚污水机理研究

 DOI10.3969/j.issn.1000-8144.2016.11.012112112132M-DMEAM-DMEAM-DMEAM-DMEAM-DMEA3M-DMEALangmuirM-DMEAFreundlichM-DMEAM-DMEA10008144201611135706TE624ALiQimouZhangYaliKanTaotaoWangHaojiFangShenwenDuanMing1.SchoolofChemistryandChemicalEngineeringSouthwestPetroleumUniversityChengduSichuan610500China2.CNOOCEnerTech-Drilling&ProductionCo.Tianjin30000China3.Oil&GasfieldAppliedChemistryKeyLaboratoryofSichuanProvinceSouthwestPetroleumUniversityChengduSichuan610500ChinaMagneticdemulsifierscanquicklyachievetheseparationofoil-waterandbereused.ThemechanismoftreatingoilywastewaterfromfloodingwithasynthesizedmagneticdemulsifierM-DMEAwasstudied.TheadsorbilityofM-DMEAtothreeinterfacialactivematerials(asphaltenecolloidandpolymer)andtheinfluencesofM-DMEAonthecoalescencerateconstantsofoildropletsinwaterwereinvestigated.TheresultsshowedthattheorderoftheadsorbilityofM-DMEAtothethreeinterfacialactivematerialswasasphaltenecolloidpolymer.TheadsorptionsofM-DMEAtoasphalteneandcolloidweretheLangmuiradsorptionandtheadsorptiontoasphaltenewasendothermic.TheadsorptionofM-DMEAtopolymerwastheFreundlichadsorption.TemperatureriseandtheincreaseofM-DMEAconcentrationcouldleadtotheincreaseofthecoalescencerateconstantofoildroplets.magneticdemulsifieroilywastewaterfromflood[e-mail][e-mail]51504201FeOW/OO/WO/WM-DMEAM-DMEAM-DMEAM-DMEAAP-PM-DMEA1M-DMEA1-M-DMEAanovelmagneticdemulsifier.(a)Imageoftheoilywastewaterfromflooding(OWPF)beforetreatmentwithM-DMEA(b)ImageofOWPFafterthetreatment22LS-PerkinElmeUV-DSAKruss/nmnm-/nmnm--.M-DMEA.g/LM-DMEA/mg/LminminM-DMEAM-DMEAM-DMEA.g/LM-DMEAmg/LminminM-DMEAηη=ρ/ρ01001ρmg/Lρmg/L..LangmuirFreundlichLangmuir2ρemg/mLqmg/mgqmaxmg/mgbLangmuirFreundlich3kfnFreundlich..4RTKKadsCockbaink..5NNtsC3MDMEA3-..M-DMEAM-DMEAM-DMEAM-DMEAM-DMEA4M-DMEA4-Reactioncondition65.AsphalteneColloidPolymer..M-DMEA5M-DMEA5-ReactionconditionρM-DMEA=60mg/L.AsphalteneColloidPolymerLangmuir.mg/g.mg/gM-DMEAFreundlichLangmuirFreundlichM-DMEA6ablgq/ρe1/T6qρe1TM-DMEAlgq/ρe/TM-DMEAlgq/ρe/TM-DMEA.kJ/molM-DMEAM-DMEA.kJ/molM-DMEAM-DMEAM-DMEAlgq/ρe/T1M-DMEA1SubstanceLangmuirFreundlichqmax/(mgg-1)b/(Lmg-1)R2LkfnR2FAsphaltene17.721.5600.98662.210.960.5216Colloid30.510.0390.86006.661.580.8334Polymer___9.720.930.8142qmaxthemaximumadsorbancebLangmuiradsorptionconstantkfnisothermaladsorptionconstantsR2FR2Lcorrelation.-..M-DMEAlnN/NM-DMEA.88kReactioncondition65.M-DMEAM-DMEA..M-DMEAmg/L99ReactionconditionρM-DMEA=25mg/L.765NN0-t7NN0-t-65N0thetotalnumberofdropletsNthenumberofdropletsinamomenttdrainagetime.M-DMEAM-DMEAM-DMEAM-DMEALangmuirM-DMEAFreundlichM-DMEAM-DMEA1LuAnhuiSalabasELSchüthF.MagneticnanoparticlesSynthesisprotectionfunctionalizationandapplicationJ.AngewChemIntEdit200746812221244.2ChoiSQJangSGPascallAJetal.Synthesisofmulti-functionalmicrometer-sizedparticleswithmagneticamphi-philicandanisotropicpropertiesJ.AdvMater2011232023482352.3JiangJiangGuHongweiShaoHuilinetal.BifunctionalFe3O4-Agheterodimernanoparticlesfortwo-photonfluores-cenceimagingandmagneticmanipulationJ.AdvMater2008202344034407.4MoeserGDRoachKAGreenWHetal.High-gradientmagneticseparationofcoatedmagneticnanoparticlesJ.AicheJ2004501128352848.5WoodwardRTOlariuCIHasanEAetal.Multi-re-sponsivepolymer-stabilizedmagneticengineeredemulsionsasliquid-basedswitchablemagneto-responsiveactuatorsJ.SoftMatter20117943354340.6.J.2010301015.7.J.20053310811.8LiShuqiangLiNaixuYangShaoboetal.Thesynthesisofanovelmagneticdemulsiferanditsapplicationforthedemul-sificationofoil-chargedindustrialwastewatersJ.JMaterChemA2014219499.9.J.2007312110120.10.D.2005.11CockbainEGMcRobertsTS.ThestabilityofelementaryemulsiondropsandemulsionsJ.JColloidSci195384440451.12EvelyneNPierre-YvesLSebastienA.DeterminationofacoalescenceparameterrelatedtothestabilityofemulsionswithpolymericsurfactantsJ.ColloidSurfaceA1995961/26976.13WangJunHuFenglianLiCuiqin.etal.Synthesisofden-driticpolyethersurfactantsfordemulsificationJ.SepPurifTechnol2010733349354.XXXRDXPSCNAS