Khase e Hlahisoa ka Ho futhumatsa Asphalt

Asphalt e chesang e ntša likhase tseo boholo ba tsona li entsoeng ka li-hydrocarbon tse fapaneng, haholo-holo polycyclic e nkhang hamonate hydrocarbons.

Sebopeho sa asphalt se kenyelletsa asphaltenes, resin, li-hydrocarbon tse tletseng le tse nkhang hamonate.

Ka lebaka la phekolo e phahameng ea mocheso kapa mouoane o atolositsoeng oa tlhaho, petroleum, le asphalt ea mashala, mokhoa oa ho futhumatsa o hlahisa lintho tse nyenyane tsa limolek'hule, haholo-holo li-hydrocarbon tse telele le tse nkhang hamonate, limolek'hule tsa bohlokoa joalo ka naphthalene, anthracene, phenanthrene, le benzo[a]pyrene.

Li-hydrocarbon tse nkhang hamonate tsa Polycyclic li chefo haholo 'me tse ling li tsejoa e le li-carcinogens.