Habka cayriinsaliid dabayshawaxay ku salaysantahay aragtida leexinta-reverse deformation. Ka dib marka lagu daro demulsifier-ga, wejiga rogrogis ayaa dhacaya, soona saaraya surfactants kuwaas oo soo saara nooc ka soo horjeeda emulsion-ka kaas oo uu sameeyay emulsifier (dimulsifier roga). Demulsifiers-yadani waxay la falgalaan emulsifiers hydrophobic si ay u sameeyaan dhismooyin, si ay uga takhalusaan sifooyinka emulsifiers. Hab kale ayaa ah filimka dhexda ah oo ka dillaaca shil. Kuleylinta ama kicinta hoosteeda, demulsifiers waxay had iyo jeer isku dhacaan filimka wajiga dhexda ah ee emulsion-ka ah ku dhejinta ama meesha ka saaraya qaar ka mid ah unugyadu surfactant-kuwaas oo khalkhal geliya filimka, taasoo keenta qulqulid, dhuxusha, iyo ugu dambeyntii demulsification.
Emulsyada saliidda cayriin waxay caadi ahaan dhacaan inta lagu jiro soo saarista saliidda iyo sifaynta. Inta badan saliidda cayriin ee adduunka waxaa loo soo saaraa qaab emulsified ah. Emulsion-ku wuxuu ka kooban yahay ugu yaraan laba dareere ah oo aan la qarin karin, halkaas oo mid lagu kala firdhiyey sida dhibco aad u fiican (qiyaastii 1 mm dhexroorka) oo ku xiran kan kale.
Caadi ahaan, mid ka mid ah cabitaannadaas waa biyo, ka kalena waa saliid. Saliidda si fiican ayaa loogu kala firdhi karaa biyaha, iyadoo la samaynayo emulsion saliid ku jirta biyaha (O/W), halkaas oo biyuhu yihiin wejiga joogtada ah iyo saliiddu waa wejiga kala firdhiyey. Taa beddelkeeda, haddii saliiddu tahay wejiga joogtada ah oo biyuhu kala firdhaan, waxay samaysaa emulsion-ka-saliid (W/O). Inta badan emulsyada saliidda ceyriin waxay ka tirsan yihiin nooca dambe.
Sanadihii ugu dambeeyay, cilmi baaris ku saabsan hababka nadiifinta saliida ceyriinka ayaa diiradda saarey indho-indheyn faahfaahsan oo ku saabsan isbahaysiga dhibcaha iyo saameynta demulsifiers ee rheology-ga labada waji. Si kastaba ha ahaatee, sababtoo ah kakanaanta isdhexgalka demulsifier-emulsion, inkastoo cilmi baaris ballaaran, weli ma jirto aragti midaysan oo ku saabsan habka demulsification.
Habab dhowr ah oo si weyn loo aqbalay waxaa ka mid ah:
1.Molecule barokaca: Unugyada Demulsifier waxay beddelaan emulsifiers-ka interface-ka, waxay dejiyaan emulsion-ka.
2. Curyaaminta laalaabka: Daraasadaha aan la arki karin waxay muujinayaan W/O emulsions waxay leeyihiin laba-laab ama dhowr lakab oo biyo ah oo ay kala soocaan siddooyin saliid ah. Marka la eego kuleylinta, kicinta, iyo ficilka dab-demiska, lakabyadan ayaa isku xira, taasoo keenaysa isku-dhafka dhibcaha.
Intaa waxaa dheer, cilmi-baarista gudaha ee nidaamyada emulsion O/W waxay soo jeedinaysaa in demuliyeyaasha ugu habboon ay tahay inay buuxiyaan shuruudaha soo socda: dhaqdhaqaaqa dusha sare ee xooggan, qoyaanka wanaagsan, kartida qulqulka ku filan, iyo waxqabadka isku-duubni ee waxtarka leh.
Demulsifiers waxaa loo kala saari karaa iyadoo lagu salaynayo noocyada surfactant:
•Demulsifiers Anionic: Waxaa ku jira karboxylates, sulfonates, iyo polyoxyethylene fatty sulfates. Waxtarkoodu aad buu u yar yahay, waxay u baahan yihiin qiyaaso badan, waxayna u nugul yihiin korantada.
•Demulsifiers cationic: Inta badan milixyada ammonium quaternary, waxtar u leh saliid fudud laakiin aan ku habboonayn saliid culus ama duug ah.
•Demulsifiers Nonionic: Ku dar polyeter-yada xannibaya ee ay bilaabeen amines ama alkohols, alkylphenol resin block polyeter, phenol-amine resin block polyethers, demulsifiers silicone-based, demulsifiers ultra-high molecular weight demulsifiers, polyphosphates, block polyethers oo la beddelay, iyo zwitteriegmuls-ku salaysan. demulsifiers).
Waqtiga boostada: Agoosto-22-2025