Heat and material balance method of process control for petrochemical plants and oil refineries
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 15, 2004
Grant Date -
Dec 6, 2001
app pub date -
Feb 9, 2001
filing date -
Feb 11, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method comprising: a) selecting a loading variable from operating variables, the loading variable being directly related to total energy input into the system and equipment constraint of the system; b) selecting a performance specification variable which is required to be kept within a defined target at all times during operation of the system; and c) pairing the performance specification variable with a manipulated variable having a mass/balance relationship to the performance specification which is not the loading variable and; d) controlling the manipulated variable to maintain the performance specification variable with the defined target.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 4 Citation Count
- G05B Class
- 3.82 % this patent is cited more than
- 21 Age
