Olefins yog tsim los ntawm cov roj crude refineries thiab petrochemical cov nroj tsuag thiab tsis yog ib txwm tshwm sim ntawm cov roj thiab cov nkev ntuj. Qee zaum hu ua alkenes lossis unsaturated hydrocarbons.
YPuas yog olefin yog cov organic compound?
Olefins belongs rau tsev neeg ntawm cov organic tebchaw hu ua hydrocarbons. Lawv muaj qhov sib txawv molecular ua ke ntawm ob lub ntsiab lus, carbon thiab hydrogen. Lwm lub npe rau olefin yog alkene. Alkenes muaj ib lossis ntau dua ob daim ntawv cog lus ntawm cov pa roj carbon atoms ntawm cov molecule.
Olefin ua li cas?
Cov nroj tsuag tshuaj tsim olefins los ntawm chav tawg ntawm cov kua roj ntsha xws li ethane thiab propane. Aromatics yog tsim los ntawm catalytic hloov kho ntawm naphtha. Olefins thiab aromatics yog lub tsev thaiv rau ntau yam khoom xws li cov kuab tshuaj, tshuaj ntxuav tes, thiab cov nplaum.
Puas olefins muaj nyob rau hauv cov roj crude?
Unsaturated aliphatic hydrocarbons, lossis olefins, tshwm sim hauv ntau cov roj crude thiab condensateslos ntawm ntau lub phiab thoob ntiaj teb. Ntau hom olefins tau pom nyob rau hauv cov roj thiab condensates ntawm North America, Africa, Europe thiab Asia. Cov tebchaw no tshwm sim ua homologous series thiab ua cov yam ntxwv sib txuas.
Puas yog roj av organic lossis inorganic?
Thaum geologists pom zoo tias cov roj crude tuaj yeem los ntawm inorganic txhais tau tias, feem ntau ntawm cov lag luam muag roj av, lawvhais, yog organic.
