Inherently safer process design – the elimination or substantial reduction of hazards from a manufacturing process, rather than the application of engineering and procedural controls to manage hazards – has the greatest benefits early in process development. However, there are opportunities for application of inherently safer design principles throughout the process life cycle.
The term “inherently safer design†is relatively recent, but many of its principles have been a part of good engineering design for many years. In this paper we will describe an early example of the application of inherently safer design principles, and then focus on opportunities for enhancing the inherent safety of chemical plants during detailed design. In particular, we will emphasize the relationship between plant reliability and inherent safety. A reliable plant is inherently safer, and
design features, which enhance reliability, will generally also enhance safety.
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Free Chemical Engineering Ebook: Inherent Safety and Reliability in Plant Design