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Chemical Process Safety: Fundamentals with Applications, Second Edition by Joseph F. Louvar - Wayne State University, Daniel A. Crowl - Michigan Technological University

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Chapter 4 Source Models

Most accidents in chemical plants result in spills of toxic, flammable, and explosive materials.

Source models are an important part of the consequence modeling procedure shown in Figure 4-1. More details are provided elsewhere.1 Accidents begin with an incident, which usually results in the loss of containment of material from the process. The material has hazardous properties, which might include toxic properties and energy content. Typical incidents might include the rupture or break of a pipeline, a hole in a tank or pipe, runaway reaction, or fire external to the vessel. Once the incident is known, source models are selected to describe how materials are discharged from the process. The source model provides a description ...

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