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Risk Management and Mitigation

Explore the purpose of consequence modeling and methods for reducing the risk of release incidents in chemical engineering. Learn preventive and protective actions to mitigate releases and safeguard surroundings. Enhance your understanding with detailed techniques and models.

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Risk Management and Mitigation

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  1. Risk Management and Mitigation Dr. AA Department of Chemical Engineering University Teknology Malaysia

  2. Release Mitigation

  3. Release Mitigation The purpose of the consequence modelling is to provide a tool for performing release mitigation. Release mitigation is defined as “lessening” the risk of a release incident by acting on the source (at the point of release) either - 1. in a preventive way by reducing the likelihood of an event which could generate a hazardous vapour cloud; or 2. in a protective way by reducing the magnitude of the release and/or the exposure of local persons or property.

  4. Preventing release is the best way to prevent accidents Release mitigation involves (see figure 1) Detecting the release as quickly as possible; Stopping the release as quickly as possible; and Invoking a mitigation procedure to reduce the impact of the release on the surroundings. Reduce amount of vapour formed/release Once a release is in vapour form, the resulting cloud is nearly impossible to control. Table 1 provides additional methods and detail on release mitigation techniques. Release Mitigation

  5. Figure 1 – Release Mitigation Procedure Toxic Release Model Design Basis Source Model Dispersion Model Prediction of Release Impact No • Revise • Process or plant • Process operation • Emergency response Is Hazard Acceptable ? yes Operate plant

  6. Table 1 Release mitigation approaches

  7. Table 1 Release mitigation approaches

  8. Table 1 Release mitigation approaches

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