Ka asphalt e entsoeng ka emulsified, pH ea boleng le eona e na le tšusumetso e itseng ho sekhahla sa demulsification. Pele u ithuta tšusumetso ea pH ka tekanyo ea demulsification ea asphalt e entsoeng ka emulsified, mekhoa ea demulsification ea asphalt ea anionic emulsified le asphalt ea cationic emulsified e hlalosoa ka ho latellana.

Cationic emulsified asphalt demulsification e itšetlehile ka tefiso e ntle ea athomo ea naetrojene sehlopheng sa amine ka sebopeho sa lik'hemik'hale tsa asphalt emulsifier ho ba kamano le tefiso e mpe ea kakaretso. Ka hona, metsi a sekontiri se entsoeng ka emulsified a hatelloa ka ntle 'me a fetoha mocheso. Ho felisoa ha asphalt e entsoeng ka emulsified ho phethiloe. Hobane ho kenyelletsoa ha pH-adjusting acid ho tla baka keketseho ea tefiso e ntle, e liehisa motsoako oa tefiso e ntle e tsamaisoang ke asphalt emulsifier le aggregate. Ka hona, pH ea asphalt ea cationic emulsified e tla ama sekhahla sa demulsification.
Tefiso e mpe ea emulsifier ea anionic ka boeona ka asphalt ea anionic emulsified e ikhethile ka tefiso e mpe ea kakaretso. The demulsification ea asphalt ea anionic emulsified e itšetlehile ka ho khomarela sekontiri ka boeona ho kopanngoa ho ntša metsi. Li-emulsifiers tsa asphalt tsa anionic hangata li itšetleha ka liathomo tsa oksijene hore e be hydrophilic, 'me liathomo tsa oksijene li theha maqhama a hydrogen le metsi, e leng se etsang hore mouoane oa metsi o fokotsehe. Phello ea bonding ea haedrojene e matlafatsoa tlas'a maemo a asiti 'me ea fokola tlas'a maemo a alkaline. Ka hona, ha pH e phahame, sekhahla sa demulsification se fokotsa butle ho asphalt ea anionic emulsified.