Molten salt bath circulation design for an electrolytic cell
Abstract
An electrolytic cell for reduction of a metal oxide to a metal and oxygen has an inert anode and an upwardly angled roof covering the inert mode. The angled roof diverts oxygen bubbles into an upcomer channel, thereby agitating a molten salt bath in the upcomer channel and improving dissolution of a metal oxide in the molten salt bath. The molten salt bath has a lower velocity adjacent the inert anode in order to minimize corrosion by substances in the bath. A particularly preferred cell produces aluminum by electrolysis of alumina in a molten salt bath containing aluminum fluoride and sodium fluoride.
- Inventors:
-
- Monroeville, PA
- Trafford, PA
- Murrysville, PA
- Sarver, PA
- Issue Date:
- Research Org.:
- Aluminum Co of America
- OSTI Identifier:
- 872452
- Patent Number(s):
- 5938914
- Assignee:
- Aluminum Company of America (Pittsburgh, PA)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25C - PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS
- DOE Contract Number:
- FC07-89ID12848
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- molten; salt; bath; circulation; design; electrolytic; cell; reduction; metal; oxide; oxygen; inert; anode; upwardly; angled; roof; covering; mode; diverts; bubbles; upcomer; channel; agitating; improving; dissolution; velocity; adjacent; minimize; corrosion; substances; particularly; preferred; produces; aluminum; electrolysis; alumina; containing; fluoride; sodium; particularly preferred; salt bath; electrolytic cell; metal oxide; molten salt; inert anode; bath containing; containing aluminum; cell produces; minimize corrosion; improving dissolution; produces aluminum; angled roof; /205/204/
Citation Formats
Dawless, Robert K, LaCamera, Alfred F, Troup, R Lee, Ray, Siba P, and Hosler, Robert B. Molten salt bath circulation design for an electrolytic cell. United States: N. p., 1999.
Web.
Dawless, Robert K, LaCamera, Alfred F, Troup, R Lee, Ray, Siba P, & Hosler, Robert B. Molten salt bath circulation design for an electrolytic cell. United States.
Dawless, Robert K, LaCamera, Alfred F, Troup, R Lee, Ray, Siba P, and Hosler, Robert B. Fri .
"Molten salt bath circulation design for an electrolytic cell". United States. https://www.osti.gov/servlets/purl/872452.
@article{osti_872452,
title = {Molten salt bath circulation design for an electrolytic cell},
author = {Dawless, Robert K and LaCamera, Alfred F and Troup, R Lee and Ray, Siba P and Hosler, Robert B},
abstractNote = {An electrolytic cell for reduction of a metal oxide to a metal and oxygen has an inert anode and an upwardly angled roof covering the inert mode. The angled roof diverts oxygen bubbles into an upcomer channel, thereby agitating a molten salt bath in the upcomer channel and improving dissolution of a metal oxide in the molten salt bath. The molten salt bath has a lower velocity adjacent the inert anode in order to minimize corrosion by substances in the bath. A particularly preferred cell produces aluminum by electrolysis of alumina in a molten salt bath containing aluminum fluoride and sodium fluoride.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Jan 01 00:00:00 EST 1999},
month = {Fri Jan 01 00:00:00 EST 1999}
}
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