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Control for Aluminum Production and Other Processing Industries
book

Control for Aluminum Production and Other Processing Industries

by Mark P. Taylor, John J. Chen, Brent Richmond Young
October 2013
Intermediate to advanced content levelIntermediate to advanced
252 pages
8h 17m
English
CRC Press
Content preview from Control for Aluminum Production and Other Processing Industries
191Accelerating Removal of Variation
iMPliCAtionS For SMelter Control
Operational experience at the great majority of smelters over the past
20 years has determined that the optimum efciency and cell life are
obtained if the cells can be maintained within the box marked by solid
lines, as shown in Figure12.7. In fact, there are sound physicochemical
and thermochemical reasons for this related to the process design as
indicated earlier.
10
Figure12.8 shows some of the consequences of being
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46810 12 14 16 18
20
XS AlF3
Temperature
A
B
D
C
FIGURE 12.7
Regions of “overcontrol” and “undercontrol” in the graph of temperature versus XS ...
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Publisher Resources

ISBN: 9781466514690