| 摘要 |
<p>Provided is a system for preparing active carbon from fly ash, which comprises a flotation system and a carbonization system, wherein the flotation system comprises at least one flotation device, and the carbonization system comprises a burning device, a double-barrel rotary carbonization furnace and a fuel gas-flue gas loop structure. Also provided is a process for preparing active carbon from fly ash, which comprises floating the fly ash particles and carbonizing the floated carbon powder. Provided is a double-barrel rotary carbonization furnace, which comprises a rotatable inner barrel and a rotatable outer barrel, a heating device located inside the inner barrel, a driving device for driving the rotation of the inner barrel and the outer barrel, and a fuel gas-flue gas loop structure.</p> |
