Residue Carbon Capture Delivers Double
Alcoa scientists in Australia have developed a process that locks
up carbon dioxide by mixing it with bauxite residue, a waste from the alumina
The residue carbon capture process not only captures
large amounts of a greenhouse gas, it also reduces the alkalinity of the residue
and opens the way for it to be reused.
The project has set a new
benchmark for the global alumina industry. The first carbon capture plant is now
fully operational at Kwinana, and similar plants are planned for our other
refineries in Australia and around the world.
The Kwinana residue carbon
capture plant is locking up almost 70,000 tons of carbon dioxide a year, the
equivalent of taking 17,500 cars off the