Classification Of Roj

1. Raws li daim ntawv
Raws li cov duab tuaj yeem muab faib ua 3 hom:
Khoom siv roj (xws li thee, charcoal, wood, shale)
Liquid fuels (xws li roj av, kerosene, roj hnyav)
Cov roj av (xws li cov pa roj carbon monoxide, thee gas, biogas, liquefied petroleum gas): cov roj roj feem ntau muaj xws li cov pa roj carbon monoxide, coal bed methane, landfill gas, shale gas and other light gas fuels. Cov roj no muaj ntau thiab huv si.
2. Los ntawm hom
Muaj peev xwm muab faib ua 3 hom los ntawm hom
Fossil fuels (xws li roj, thee, roj shale, methane, roj sands, natural gas, thiab lwm yam)
Biofuels (xws li ethanol [cawv], biodiesel, thiab lwm yam)
Nuclear roj (xws li uranium 235, uranium 233, uranium 238, plutonium 239, thorium 232, thiab lwm yam).
3. Nuclear zog ntau lawm
Hais txog cov khoom uas tuaj yeem tsim hluav taws xob nuclear, xws li uranium, plutonium, thiab lwm yam.
Qee cov roj gaseous tuaj yeem muab tso rau hauv cov kua, xws li roj av liquefied.