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AspenTech delivers improved performance and rapid implementation at BASF chemicals plant
CAMBRIDGE, Massachusetts (September 24, 2001) – Aspen Technology (aspentech.com) has announced the completion of a project to apply a state-of-the-art production control solution at the BASF (basf.com) steam cracker plant, located in Antwerp, Belgium.
According to the two companies, the project was implemented in 44 weeks and delivered a number of benefits, including increased plant capacity and improved control of unit key operating variables. In addition, AspenTech revealed its production control solution was built on its DMCplus multivariable control technology, an advanced process control system capable of maintaining the plant at its optimal operating point, by driving the manufacturing process consistently against multiple constraints, and holding it there safely. According to AspenTech, the plant’s optimal operating point will be determined by an on-line closed-loop third party optimizer. “We are completely satisfied with the results of this project,” said Philippe Alluyn, Production Director Cracker, BASF Antwerpen. “Not only was the project completed on schedule in a very short time, but the measured benefits have totally met our expectations for increased plant capacity and controller on-stream factors.” In the application at BASF Antwerp, 13 controllers encompass the 10 cracking furnaces, the raw gas compressor and all major downstream units related to ethylene and propylene manufacturing. The largest controller controls the entire ethylene separation train, from the raw gas compressor to the C2 splitter column, including both refrigeration circuits; this single controller adjusts 36 manipulated variables in the process to maintain 82 controlled variables within limits. “The fast implementation and rapid returns achieved in this facility are typical of the many similar projects AspenTech has undertaken in the chemicals industry,” said Mary Palermo, Co-Chief Operating Officer of AspenTech. “Our deep knowledge of the process industries, and our best-in-class production control solutions, make us uniquely qualified to enable companies to become more profitable and competitive.”
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