NDLI: Adaptive process control of an acetic acid reactor

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Adaptive process control of an acetic acid reactor

Content Provider	IEEE Xplore Digital Library
Author	Tobias, D.Z.
Copyright Year	1999
Description	Author affiliation: Adaptive Resources, Pittsburgh, PA, USA (Tobias, D.Z.)
Abstract	This paper describes how QuickStudy/sup TM/, a model based adaptive process controller, was used to solve a key control problem associated with an acetic acid reactor. The operating company had achieved greater production rates and efficiency through the use of an improved catalyst but with the penalty of decreased reactor temperature stability. A PID based control strategy became unstable at high unit throughput resulting in reduced production rates and lower sustained throughput. The search for a suitable control solution was complicated by the fact that the reactor temperature was open loop unstable and therefore could not be "bump tested". QuickStudy/sup TM/ was used successfully to improve controllability without disrupting production. Reactor temperature standard deviation was reduced from 3.6 to 0.8 and sustained throughput was increased by over 5%. Investment payback was less than 2 months. QuickStudy has been performing reliably in this application for over 2 years.
Starting Page	45
Ending Page	49
File Size	301222
Page Count	5
File Format	PDF
DOI	10.1109/APCA.1999.805026
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-04-29
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Programmable control Temperature Stability Three-term control Process control Production Open loop systems Throughput Adaptive control Inductors
Content Type	Text
Resource Type	Article

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