Kwi-asphalt e-emulsified, ixabiso le-pH libuye libe nefuthe elithile kwizinga lokuchithwa kwe-demulsification. Ngaphambi kokufunda impembelelo ye-pH kwizinga lokuchithwa kwe-asphalt e-emulsified, iindlela zokuchithwa kwe-asphalt ye-anionic emulsified asphalt kunye ne-cationic emulsified asphalt zichazwe ngokulandelanayo.

I-Cationic emulsified asphalt demulsification ixhomekeke kwintlawulo efanelekileyo ye-athomu ye-nitrogen kwiqela le-amine kwisakhiwo sekhemikhali ye-asphalt emulsifier ukuba ibe nokuhambelana nentlawulo embi ye-aggregate. Ngaloo ndlela, amanzi akwi-asphalt e-emulsified akhutshiwe kwaye aguquke. Ukuchithwa kwe-asphalt e-emulsified kugqityiwe. Ngenxa yokuba ukuqaliswa kwe-pH-adjusting acid kuya kubangela ukunyuka kwentlawulo efanelekileyo, iyancipha indibaniselwano yentlawulo efanelekileyo eyenziwa yi-asphalt emulsifier kunye ne-aggregate. Ngoko ke, i-pH ye-asphalt ye-cationic emulsified iya kuchaphazela izinga lokuchithwa kwe-demulsification.
Umrhumo ongalunganga we-anionic emulsifier ngokwayo kwi-asphalt ye-anionic emulsified ihambelana ngokulinganayo kunye nentlawulo embi ye-aggregate. I-demulsification ye-asphalt ye-anionic emulsified ixhomekeke ekunamatheleni kwe-asphalt ngokwayo kwi-aggregate ukukhupha amanzi. I-Anionic asphalt emulsifiers ngokubanzi ixhomekeke kwiiathom ze-oksijini ukuba zibe yi-hydrophilic, kwaye ii-athomu ze-oksijini zenza iibhondi ze-hydrogen ngamanzi, ezibangela ukuba ukuphuphuma kwamanzi kuthobe. Impembelelo ye-hydrogen bonding iphuculwe phantsi kweemeko ze-acidic kwaye iyancipha phantsi kweemeko ze-alkaline. Ke ngoko, okukhona i-pH iphezulu, kokukhona icotha isantya se-demulsification kwi-asphalt ye-anionic emulsified.