June 2000


Systematic procedure for reengineering process equipment

A refinery air-cooled heat exchanger problem illustrates the method

Karimi, I. A., Rangaiah, G. P., Shastri, S. S., Yap, C., National University of Singapore

Reengineering process equipment in the face of changing process requirements and state of process technology is important, especially in plants that have been operating for several years or even decades. Usually, the goal of reengineering is to enhance equipment performance as well as to better understand its design and operation. Here's a systematic methodology to carry out this reengineering. The proposed procedure is based on our recent experience in improving performance of an existing air-cooled heat exchanger in a petroleum refinery. Overview. Many chemical process plants have been operating for years or even decades. Process equipment in these facilities may have undergone several o

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