Effective Emergency Relief System (ERS) design helps companies meet risk-management goals, compliance requirements, and sound business practices. ioMosaic provides a total ERS solution with our comprehensive ERS design services, from reactivity testing for design basis determination to calculations for Z-axis deflection from dynamic loads.
Our team has decades of experience performing PRFS analysis and design.
Our risk-based approach helps mitigate near-unventable scenarios to a tolerable level of risk.
Better evaluate hazards in your facility with an accurate process simulation.
Delivering properly designed pressure relief systems that save both money and time.
Reasonable estimates of the expected time to failure (ettf) or expected time to yield (etty) are required and necessary for effective risk management as well as effective emergency and fire protection and response. Read this paper for a demonstration of calculating ettf or etty in fire exposure scenarios with Process Safety Office® SuperChems®.
Proper characterization of reactive systems is required to ensure the mechanical integrity of processing equipment and to avoid potential hazards such as fires, explosions, and toxic cloud dispersions. As the temperature of the vessel contents deviates from safe operating limits and becomes too high, the rate of heat production by the chemical reaction (i.e., exponential function of temperature) can exceed the processing equipment rate of heat loss and/or cooling capacity (i.e., linear function of temperature) leading to a runaway reaction. However, not all reactive systems present the same thermal risk level, and accordingly, not all of them require the same level of detail for Emergency Relief System design. Figure 1: ARC Approach – Temperature History Illustration The present paper illustrates an easy-to-use screening tool for characterizing any reactive system based on information extracted from basic calorimetric tests. Two parameters have to be estimated for both desired and potential secondary reaction in case of a runaway:
The screening tool is based on the following criteria intended to estimate four (4) key temperature levels which contain the thermodynamic and kinetics information of the runaway reaction:
This PSE module performs efficient tracking of process safety related data and analysis. A customized workflow allows for a specific operating unit or the entire facility to be studied and evaluated for compliance.
A global manufacturer of specialty and intermediate industrial chemicals needed a comprehensive evaluation of the pressure relief system on a chemical reactor to confirm its capacity to safely manage overpressure scenarios. Learn how ioMosaic empowered the client to go beyond baseline adequacy and make informed decisions.
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