Ku-asphalt e-emulsified, inani le-pH liphinde libe nomthelela othile kuzinga lokususa ama-demulsification. Ngaphambi kokutadisha umthelela we-pH ngezinga le-demulsification ye-asphalt e-emulsified, izindlela zokususa i-anionic emulsified asphalt kanye ne-cationic emulsified asphalt zichazwa ngokulandelana.

I-Cationic emulsified asphalt demulsification incike enkokhelweni enhle ye-athomu ye-nitrogen eqenjini le-amine esakhiweni samakhemikhali se-asphalt emulsifier ukuze ihambisane nokushajwa okungekuhle kwe-aggregate. Ngakho-ke, amanzi ku-asphalt e-emulsified ayakhama futhi aguquguquke. Ukukhishwa kwe-asphalt emulsified sekuqediwe. Ngenxa yokuthi ukwethulwa kwe-asidi elungisa i-pH kuzodala ukukhuphuka kokushaja okuhle, kunciphisa inhlanganisela yenkokhiso enhle ethwalwa i-asphalt emulsifier kanye ne-aggregate. Ngakho-ke, i-pH ye-cationic emulsified asphalt izothinta izinga lokuqeda amandla.
Inkokhelo engeyinhle ye-anionic emulsifier ngokwayo ku-anionic emulsified asphalt ikhethekile ngokuhlanganyela nenkokhiso engalungile ye-aggregate. Ukususwa kwe-asphalt ye-anionic emulsified kuncike ekunamatheleni kwe-asphalt ngokwayo ekuhlanganisweni ukuze kukhishwe amanzi. Ama-anionic asphalt emulsifiers ngokuvamile ancike kuma-athomu omoya-mpilo ukuze abe yi-hydrophilic, futhi ama-athomu omoya-mpilo akha amabhondi e-hydrogen namanzi, okubangela ukuhwamuka kwamanzi ukuthi kwehle ijubane. Umphumela wokubopha i-hydrogen uyathuthukiswa ngaphansi kwezimo ezine-asidi futhi ube buthaka ngaphansi kwezimo ze-alkali. Ngakho-ke, uma i-pH iphakeme, izinga lokususa amandla liyancipha ku-anionic emulsified asphalt.