Improved understanding of Sodium hydroxide concentration role and kinetic model of cryolite reactive extraction in cathode Spent Pot Linings

Improved understanding of Sodium hydroxide concentration role and kinetic model of cryolite reactive extraction in cathode Spent Pot Linings

Spent Pot Lining (SPL) cathode pot, waste from the aluminium smelting process needs detoxification from cyanides, washing out water-soluble salts and extraction of the cryolite (Na3AlF6) decomposition products to be recycled. Revealed cryolite decomposition mechanism with NaOH opens possibilities to...

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Bibliographic Details
Main Authors: Tropenauer Blaž, Klinar Dušan, Golob Janvit
Format: Article
Language:English
Published: Sciendo 2021-03-01
Series:Polish Journal of Chemical Technology
Subjects:
spent pot lining
naoh concentration role
cryolite decomposition
reaction mechanism
kinetic model
Online Access:https://doi.org/10.2478/pjct-2021-0006

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