June 2000

Special Report: Process Optimization

Improve startup of an olefins complex

The operations team performed early dryout of plant systems before mechanical completion of the entire plant, thus enabling a trouble-free commissioning of new equipment

Bush, K., Stone & Webster Engineers and Constructors, Inc.; Duarte, G., Pohlmann, A., Co Petroquimica do Sul

How do you plan the successful construction of a major HPI facility? What are the critical elements affecting an olefins unit startup - engineering / design techniques, licensed technologies, construction activities, training of operators, composing precommissioning / operating procedures, operator involvement, management commitment, site support / involvement from equipment vendors, etc.? All of these listed factors - in varying degrees - will influence the design, construction, precommissioning, and startup of a new plant. Successful startup. In early July 1999, COPESUL produced specification ethylene from their new

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