Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2008-04-29
2008-04-29
Picard, Leo (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S050000, C700S266000, C706S900000
Reexamination Certificate
active
10579375
ABSTRACT:
The invention is a method for controlling an electrolytic process and plant, utilizing history data collected in the process as well as mathematical and heuristic models created on the basis of empirical knowledge, and by means of said models, there are defined indexes based on real-time process measurement parameters. The method makes use of real-time cell voltage measurements. On the basis of the obtained real-time indexes, there is achieved a correctly focused process control action at the correct point of time.
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Bergh et al. Control Engineering Practice 9 “Review of the art in Copper hydrometallurgic processes control” 2001, pp. 1007-1012.
Rantala Ari
Virtanen Henri
Garland Steven R.
Outotec Oyj
Picard Leo
Smith-Hill and Bedell
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