January 2000

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HP Control: Closed-loop optimization update – a step closer to fulfilling the dream

Closed-loop economic optimization of refineries and chemical units has been a dream in our industry for over four decades. There have been at least three waves of attack on this problem, but optimizat..

Friedman, Y. Z., Petrocontrol

Closed-loop economic optimization of refineries and chemical units has been a dream in our industry for over four decades. There have been at least three waves of attack on this problem, but optimization has resisted the onslaught and remained a dream. Having witnessed a number of unsuccessful online optimization projects, I wrote several papers 1, 2, 5, 6, 8, 10 suggesting that closed-loop optimization needs certain technological breakthroughs to be viable. However, recently there have been some refreshing new developments. This editorial tones down the negative language and expresses hope that, while there are still many difficulties, we are now a step closer to fulfilling the dream.

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