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GasI Hana ʻia e ka Pumehana ʻAsphalt|ʻIkepili ʻenehana

Nā Kūlana ʻenehana

Hana ʻia ke kinoea e ka hoʻomehana ʻana i ka asphalt

Hoʻopuka ka asphalt wela i nā kinoea i haku nui ʻia me nā hydrocarbons like ʻole, ʻoi aku ka polycyclic aromatic hydrocarbons.

mehana asphalt
Hoʻokomo ʻia ka asphalt i nā aspaltene, resins, nā hydrocarbons momona a me nā mea ʻala.

Ma muli o ka mālama ʻana i ka wela kiʻekiʻe a i ʻole ka hoʻonui ʻia ʻana o ka evaporation o ke kūlohelohe, ʻaila ʻaila, a me ka asphalt tar lanahu, ke kaʻina hana hoʻomehana e hoʻopuka i nā mea molekala liʻiliʻi, ʻO ke kaulahao lōʻihi a me nā hydrocarbons ʻala, ʻO nā molekala koʻikoʻi e like me ka naphthalene, anthracene, phenanthrene, a me benzo[a]pyrene.

He mea ʻawaʻawa ka polycyclic aromatic hydrocarbons a ua ʻike ʻia kekahi mau mea make kino.

Mamua:

Aʻe:

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