Demulsifier
| Sezvo mamwe maonda asingasviki mumvura, kana imwe kana yakawanda yeiyi yakasimba iripo muhuwandu hukuru mumushonga wemvura, inogona kunge iripo mumvura mune emulsified state pasi pekukurudzira ne hydraulic kana simba rekunze, kugadzira emulsion. Nechepfungwa iyi sisitimu haina kugadzikana, asi kana paine kuvapo kwevamwe vano surfactants (zvimedu zvevhu, nezvimwewo), zvinozoita kuti emulsification state yanyanya kuoma, kunyangwe zvikamu zviviri izvi zvakaoma kupatsanura, chinonyanya kufanana musanganiswa wemafuta-mvura. mukuparadzaniswa kwemafuta-mvura uye kusanganiswa kwemvura-mafuta mukuchenesa tsvina, zvikamu zviviri zvinoumba imwe yakagadzikana yemafuta-mu-mvura kana mvura-mu-oiri chimiro, nheyo yezvinyorwa ndeye "double electric layer structure". Muchiitiko ichi, vamwe vamiririri vanoiswa kuti vavhiringidze kugadzikana kwemagetsi bilayer chimiro pamwe nekudzikamisa emulsification system kuitira kuti iwane kuparadzaniswa kwezvikamu zviviri. Aya maajenti anoshandiswa kuwana kukanganisa kwe emulsification anonzi emulsion breakers. |
Main Applications
| Demulsifier chinhu chinoputika, chinogona kuita kuti emulsion-senge yemvura inoparadza kuparadzwa, kuitira kuzadzisa chinangwa chemulsion mukuparadzaniswa kwezvikamu zvakasiyana. Crude oiri deemulsification inoreva kushandiswa kwemakemikari emulsion breaking agent kusiya mafuta nemvura mumusanganiswa wemafuta-mvura musanganiswa kuti uwane chinangwa chekupedza mafuta asina kuchena, kuitira kuti ive nechokwadi chechiyero chemafuta asina kuchena emvura yekunze. kutapurirana. Iyo inobudirira kupatsanurwa kwe organic uye aqueous zvikamu, imwe yedzakareruka uye inoshanda nzira ndeye kushandisa demulsifier kubvisa emulsification kuumba emulsified interface ine rimwe simba rekuzadzisa kupatsanurwa kwezvikamu zviviri. Nekudaro, akasiyana demulsifier ane akasiyana emulsion kutyora kugona kweiyo organic chikamu, uye kuita kwayo kunobata zvakananga maitiro maviri-chikamu chekuparadzanisa. Mukugadzirwa kwepenicillin, nzira yakakosha ndeyekubvisa penicillin kubva kupenicillin fermentation broth ine organic solvents (senge butyl acetate). Sezvo muto wekuvirisa uine mapuroteni, shuga, mycelium, nezvimwewo, iyo interface pakati peiyo organic uye aqueous phases haina kujeka panguva yekubvisa, uye emulsification zone ndeyekumwe kusimba, iyo ine simba guru pagoho rezvakapera zvigadzirwa. |
Yakajairwa Demulsifier - Aya anotevera ndiwo makuru asiri-ionic demulsifier anowanzoshandiswa munzvimbo yemafuta.
SP-mhando Demulsifier
| Chinhu chikuru cheSP-type emulsion breaker is polyoxyethylene polyoxypropylene octadecyl ether, theoretical structural formula ndeye R (PO) x (EO)y (PO) zH, apo: EO-polyoxyethylene; PO-polyoxypropylene; R-aliphatic doro; x, y, z-polymerization degree.SP-mhando demulsifier ine chitarisiko chechiedza chero paste, HLB kukosha kwe10 ~ 12, inonyungudika mumvura. SP-mhando isiri-ionic demulsifier ine zvirinani demulsifying mhedzisiro paparafini-based crude oil. Yayo hydrophobic chikamu chine kabhoni 12 ~ 18 hydrocarbon cheni, uye iro hydrophilic boka iri hydrophilic kuburikidza nekuita kwehydroxyl (-OH) uye ether (-O-) mapoka mumorekuru uye mvura kuumba hydrogen zvisungo. Sezvo hydroxyl nemapoka ether asina simba hydrophilic, chete kana maviri hydroxyl kana ether mapoka haakwanise kudhonza boka rehydrophobic rekabhoni 12 ~ 18 hydrocarbon cheni mumvura, panofanira kunge paine boka rinopfuura rimwe rakadaro re hydrophilic kuti riite chinangwa chekunyungudika kwemvura. Iyo yakakura kurema kwemamorekuru eiyo isiri-ionic demulsifier, iyo yakareba iyo molecular cheni, iyo yakawanda hydroxyl uye ether mapoka airi, kukura kwayo kwesimba rekudhonza, ndiko kusimba kwekugona kwe demulsifying ye crude emulsion yemafuta. Chimwe chikonzero nei SP demulsifier yakakodzera paraffin-based crude oil ndeyekuti parafini-based crude oil haina kana kuti ishoma chingamu uye asphaltene, shoma lipophilic surfactant zvinhu uye kushomeka kwehama. Pamafuta asina kukora ane chingamu uye asphaltene yemukati (kana yemukati memvura yakakura kupfuura 20%), kugona kwe demulsifying yeSP-mhando demulsifier haina kusimba nekuda kweiyo imwe chete molecular chimiro, hapana branched cheni chimiro uye inonhuhwirira chimiro. |
AP-mhando Demulsifier
| AP-type demulsifier is polyoxyethylene polyoxypropylene polyether ine polyethylene polyamine semutangi, a multi-branch type nonionic surfactant ine molecular structure formula: D(PO) x(EO)y(PO)zH, apo: EO - polyoxyethylene; PO - polyoxypropylene; R - mafuta doro; D - polyethylene amine: x, y, z - dhigirii repolymerization. AP-mhando yechimiro demulsifier yeparafini-yakavakirwa crude oiri demulsification, mhedzisiro yacho iri nani pane SP-mhando demulsifier, inonyanya kukodzera kune isina mafuta emvura inokwira kupfuura 20% yemafuta asina kuomeswa demulsifier, uye inokwanisa kukurumidza kudhiza mhedzisiro pasi pekupisa kwakadzika. mamiriro. Kana iyo SP-mhando yedemulsifier yakagadzika nekubvisa emulsion mukati me55 ~ 60 ℃ uye 2h, iyo AP-mhando demulsifier inongoda kugadzika nekubvisa emulsion mukati me45 ~ 50 ℃ uye 1.5h. Izvi zvinokonzerwa nemaitiro eiyo AP-mhando demulsifier molecule. Iyo initiator polyethylene polyamine inosarudza chimiro chechimiro chemorekuru: iyo molecular chain yakareba uye ine matavi, uye iyo hydrophilic kugona kwakakwira kupfuura iyo yeSP-mhando demulsifier ine imwechete molecular chimiro. Hunhu hweakawanda-mapazi ketani anoona iyo AP-mhando demulsifier ine yakanyanya kunyorova uye kupera, kana mafuta asina kuchena achibvisa, AP-mhando demulsifier mamorekuru anogona kukurumidza kupinda mumafuta-mvura interface firimu, kupfuura SP-mhando demulsifier mamorekuru eiyo yakatwasuka. single molecule firimu kurongeka inogara yakawanda pamusoro penzvimbo, nokudaro kushoma dosi, emulsion breaking effect iri pachena. Parizvino, iyi mhando yedemulsifier ndiyo iri nani isiri-ionic demulsifier inoshandiswa muDaqing oilfield. |
AE-mhando Demulsifier
| AE-mhando demulsifier ndeye polyoxyethylene polyoxypropylene polyether ine polyethylene polyamine semutangi, inova yakawanda-mapazi mhando yenonionic surfactant. Kuenzaniswa neAP-mhando demulsifier, mutsauko ndewekuti AE-mhando demulsifier idanho-mbiri polima ine mamorekuru madiki uye mapfupi cheni ane matavi. Molecular structure formula ndeye: D(PO) x(EO)yH, apo: EO - polyoxyethylene: PO - polyoxypropylene: D - polyethylene polyamine; x, y - dhigirii repolymerization. Kunyangwe iwo ma molecular phases eAE-type demulsifier uye AP-mhando demulsifier akasiyana zvakanyanya, asi kuumbwa kwema molecular kwakafanana, chete mumonomer dosage uye polymerization order misiyano. (1) maviri asiri-ionic demulsifier mukugadzira synthesis, musoro nemuswe wehuwandu hwezvinhu zvinoshandiswa zvakasiyana, zvichikonzera kureba kwemapolymerization mamorekuru zvakare akasiyana. (2) AP-mhando yedemulsifier molecule ndeye bipartite, ine polyethylene polyamine semutangi, uye polyoxyethylene, polyoxypropylene polymerization kuumba block copolymers: AE-mhando demulsifier molecule is bipartite, ine polyethylene polyamine sekutanga, uye polyoxyethylene polymerization yepolypolypropylemer , saka, dhizaini yeAP-type demulsifier molecule inofanira kureba kupfuura AE-type demulsifier molecule. AE-mhando ndeye-matanho maviri-akawanda-mabazi chimiro crude mafuta demulsifier, iyo zvakare yakagadziridzwa kune demulsification yeasphaltene crude mafuta emulsions. Izvo zvakanyanya zviri mukati me lipophilic surfactant mu bituminous crude oil, iyo yakasimba iyo viscous simba, idiki mutsauko pakati pemafuta nemvura density, hazvisi nyore demulsify emulsion. Iyo AE-mhando demulsifier inoshandiswa kubvisa emulsion nekukurumidza, uye panguva imwe chete, AE-mhando demulsifier iri nani anti-wax viscosity reducer. Nekuda kwechimiro chayo chine matavi mazhinji emamorekuru, zviri nyore kwazvo kuumba matinji madiki, kuitira kuti makristasi eparafini atoumbwa mumafuta asina kuchena awire mumatiweki aya, anokanganisa kufamba kwemahara kwemakristasi eparafini uye haakwanise kubatana neimwe. zvimwe, kugadzira mambure eparafini, kuderedza viscosity uye kutonhora kwemafuta asina kuchena uye kudzivirira kuunganidzwa kwewakisi makristasi, nokudaro kuzadzisa chinangwa cheanti-wax. |
AR-mhando demulsifier
| AR-mhando demulsifier yakagadzirwa nealkyl phenolic resin (AR resin) uye polyoxyethylene, polyoxypropylene uye rudzi rutsva rweoiri-soluble isiri-ionic demulsifier, HLB kukosha kwe4 ~ 8, yakaderera demulsifying tembiricha ye35 ~ 45 ℃. Iyo molecular structure formula ndeye: AR(PO) x(EO)yH, apo: EO-polyoxyethylene; PO-polyoxypropylene; AR-resin; x, y, z-dhigirii repolymerization.Mukuita kwekugadzira demulsifier, AR resin inoshanda seyekutanga uye inopinda mumorekuru we demulsifier kuita lipophilic boka. Hunhu hweAR-mhando demulsifier ndeiyi: mamorekuru haana hombe, kana iri crude oil solidification point yakakwira kupfuura 5 ℃ ine yakanaka kunyungudika, diffusion, penetration effect, kukurumidza emulsified mvura madonhwe kuyerera, agglomeration. Inogona kubvisa zvinopfuura 80% yemvura kubva mumafuta asina kuchena ane mvura ye50% ~ 70% pazasi pe45 ℃ uye 45 min kubvisa zvinopfuura 80% yemvura kubva mumafuta asina kuchena nemvura ye50% kusvika 70%, iyo haienzaniswi neSP-mhando uye AP-mhando demulsifier. |
Nguva yekutumira: Mar-22-2022