Ihe ngosi dị mkpa maka ịlele ogo nke emunsuon bitumen na-emepụta site na akụrụngwa emunsun bụ nsị nke ụmụ irighiri ihe bitumen. Ya mere, elu mmezi nke ngwaahịa a, ka mma ịrụ ọrụ na nchekwa nkwụsi ike nke emumen. Usoro nke ịzọpịa ma na-agbasa usoro mmiri mmiri bitumen site na iji ihe eji eme mmanu mmanu bu ihe di nkpa. N'ozuzu, ịzọpịa na mgbasa mmiri mmiri mmiri mkpụrụ osisi bisines na-emecha site na ịkpa azụ, ọpụpụ, esemokwu, mmetụta, mgbasa na mgbasa. Anyị kwesịrị ịmatakwu banyere akụrụngwa emumen.

Ngwunye nke ihe eji emeputa ihe site na akụrụngwa emullon na-emetụta emilfier na ihe eji eme imi na-emepụta. Ọ bụ obi nke akwara imi. Yabụ, arụmọrụ nke emulsifier nwere mmetụta dị mkpa na mma na nkwụsi ike nke emulsion. Ugbu a, ngwa a na-eji eme ihe maka emullon bitumen bụ nke ekewaara ụzọ atọ, yabụ, a na-ejikọ mkpụrụ osisi imi na-arụ ọrụ na-emetụta ahịa bitumen. Ya mere, mgbe ịzụrụ emumengwụ osisi bitumen, anyị kwesịrị ịhọrọ emulsifier na ndozi dị elu, iji hụ na mmepụta mmepụta na nkwụsi ike nke emulsion bitumen.