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Shidaal sidoo kale loo yaqaano Saliida Dhulka (ingiriis: Petroleum) waa dareere ka mid ah kheyraadka dabiiciga ah, ur badan, midab huruud ilaa madoow ah leh, ka samaysan isku dhisyo haydarokaarboon ah, oo laga helo oogada dhulka hoosteeda.
Shidaal
Ereyga shidaal waxaa la isku yidhaadhaa, saliida dabiiciga ee qayriin ee dhulka laga helo (crude oil) iyo betroolka la sifeeyay ee la isticmaalo.
Shidaalku wuxuu ka samaysmay markii tiro badan oo noole dhintay ah - u badan dhir iyo algea - ku aasmeen dhagaxa sedimentary hoostiisa, halkaas oo cadaadis iyo kul badan ku helay malaayiin sano ka hor.
Marka la derso deegaanka iyo qaabdhismeedkiisa jiyooloji, ayaa shidaalka la qodaa, ka dib saliida qaydhiin la warshadeeyaa ayadoo kul badan la isticmaalayo. Waxaana soo baxa shidaalka gasoline (petrol), kerosene, Naafto, Gaaska faysnuska lagu shido, gaamur ilaa laga gaadho asphalt iyo kimikooyink kale oo laga sameeyo bacaha iyo sheyo kale.
Isticmaalka warshadaha, gaadiidka, diyaaradaha, tareennada iwm ka sokoow, Shidaalka waxaa laga sameeyaa sheeyo aad u badan, waxaana lagu qiyaasaa in dunidu cunto 90 milyan oo foosto maalin kasta.
Shidaalku si fudud ayuu ula falgalaa dabka taas oo keenta in qiiq badan oo sun ah ku sii deeyso cirka isla markaana keenta hawo wasakhoow.
Qalinkii: Fadxi Garaad Ciise
Marka la soo saaro saliida shidaalka qaydhiin waxa la geeyaa warshadadaha lagu sifeeyo shidaalka kuwaas oo ku sii daaya kul heerkulkiisu sii kacayo marba marka ka dambeeysa. Nidaamkan oo loo yaqaano Habka Sifeynta Shidaalka (distillation fractions of petroleum) ayaa waxa ku soo baxa noocyo badan oo kala duwan oo shidaal ah. Sida, shidaalka dareere-neefta ah (liquefied petroleum gas) (LPG), Butane, Butane, shidaalka diyaaradah xawaaraha dheer (Jet fuel), Kerosene, saliida shidaalka (fuel oil), iyo Naafto. Intaasi kuma koobna ee waxyaalo kale ayaa ka soo baxa sifaynta shidaalka, sida Gaaska aan faynuuska u isticmaalno, Gaamurka iyo sheeyo kale.
| Sifeeynta iyo Jajabinta Shidaalka | |||
| Noocyada Soo Baxa | Barta Kululeynta oC | ||
|---|---|---|---|
| Shidaalka Dareere-Neefta (PLG) | −40 | ||
| Butane | −12 ilaa −1 | ||
| Betrool | −1 ilaa −110 | ||
| Shidalka Diyaaradaha | 150 ilaa 205 | ||
| Kerosene | 205 ilaa 260 | ||
| Saliida Shidaalka | 205 ilaa 290 | ||
| Naafto | 260 ilaa 315 | ||
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