October 2020

Special Focus: Plant Safety and Environment

Reboiler pinch: An approach to optimize flare system design during FEED

A process plant’s pressure relief and flare systems are critical safety elements.

Amin, H., Saudi Aramco; Dhote, P., Kanade, S., Siemens

A process plant’s pressure relief and flare systems are critical safety elements. Efficient design, management and maintenance of suitable pressure relief and flare systems are vital to operations throughout the lifecycle of a plant. This article focuses on estimating the relief requirements from the distillation columns, using steady-state methodology during the front-end engineering design (FEED) project phase. Using dynamic simulation during FEED is not practical due to the lack of critical data and the high cost or complexity of the software used. Dynamic simulations also require accurate information about plant equipment and operational experience, which is not available during the earl

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