Precipitation of alumina hydroxide

09/03/2020

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The precipitation equipment at NTNU.

After leaching of the slag in the ENSUREAL process, aluminium hydroxide is precipitated through bubbling of CO₂ through the solution. At NTUA in Athens and NTNU in Trondheim, the groups are working on the precipitation stage of the process. The efficiency of the precipitation is tested as function of the temperatures and CO₂ concentration.

: Athina Preveniou (Admiris), Danai Marinos (NTUA), Thymis Balomenos (Mytilineos) and James Mwase (NTNU)

: Danai Marinos in front of the precipitation equipment.