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Computer Simulation of High Temperature Corrosion Hazard of Anode Steel Stubs in Aluminium Electrolysis Cell

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Abstract:

In the industrial production of primary aluminium process, the high temperature gaseous and the molten cryolite-alumina salt electrolyte will corrosion anode steel stubs. High temperature corrosion products of the stub are analyzed by SEM-EDX. Corrosion products consist of the mixed F, O, Na and Fe, etc. From computer simulation, high temperature corrosion of anode stubs will lead steel stubs current to inconsequence, cell voltage to high, anode consumption to inequality, etc. The current efficiency, current consumption and life of electrolysis cell will change to poor.

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Periodical:

Applied Mechanics and Materials (Volumes 411-414)

Pages:

2969-2974

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.411-414.2969

Citation:

Cite this paper

Online since:

September 2013

Authors:

A Lin Cao, Bin Cao, Xiao Bing Yi, Jie Li

Keywords:

Aluminium Electrolysis, Anode Stub, Computer Simulation, High Temperature Corrosion

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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