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Process Control in terms of Process Variables

✍ Scribed by PARR, C. ;WEATHERHOGG, G.


Book ID
115299664
Publisher
Wiley (Blackwell Publishing)
Year
2008
Tongue
English
Weight
484 KB
Volume
95
Category
Article
ISSN
0037-9859

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In pH control, the process variable that is very often used is pH itself although use of other alternate variables may provide better performance. In this paper, use of three easily implementable process variables (namely, difference in hydrogen and hydroxyl ion concentration , hydrogen ion concentr