Txheej txheem cej luam Ntawm Cov Khoom Siv Hluav Taws Xob

Ib pawg loj ntawm cov roj. Ib qho khoom siv hluav taws xob uas muaj peev xwm ua kom muaj cua sov lossis lub zog. Feem ntau muaj cov pa roj carbon lossis hydrocarbons. Tej yam ntuj tso muaj xws li ntoo, peat, lignite, bituminous thee, anthracite, roj shale, thiab lwm yam. Tom qab ua tiav, muaj charcoal, coke, briquettes, briquettes thiab lwm yam.
Kuj tseem muaj qee yam tshwj xeeb ntawm cov roj, xws li cov dej cawv thiab cov roj foob pob hluav taws. Piv nrog rau cov kua roj los yog cov roj gaseous, cov khoom siv hluav taws xob yog feem ntau nyuaj rau tswj, nrog kev ua haujlwm qis dua thiab cov hmoov tshauv ntau dua.