PROCESS HAZARD IDENTIFICATION

PROCESS HAZARD IDENTIFICATION - PROCESS HAZARD...

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PROCESS HAZARD IDENTIFICATION We need to know what the hazards are and where they exist in the process. Process Information Process Structure Safety Structure Recycle Structure Separation Structure Heat Integration Process Control Structure
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Identify hazards. Evaluate them for risk. Inherently Safer Processes Strategies MINIMIZE Use smaller quantities of hazardous substances. SUBSTITUTE Replace hazardous substances with a less hazardous ones. MODERATE Use less hazardous conditions, a less hazardous forms of a material, or less hazardous facilities. SIMPLIFY Use less complexity. PROCESS HAZARD IDENTIFICATION
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Where to begin?
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Accidents ACCIDENT CAUSES/RATES Frequency of Hardware Failure/100 Events Piping 29 Miscellaneous or Unknown 22 Storage Tanks 17 Reactors Piping Systems 10 Process Holding Tanks 5 Heat Exchangers 4 Valves 4 Process Towers 3 Compressors 2 Pumps 2 Gages 2
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Hazards definitions Hazards are chemical or physical characteristics of the system that have the potential to cause harm to Flammability Toxicity Pressure Temperature
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Hazards definitions Loss prevention is the prevention of accidents by the use of appropriate technologies to identify the hazards of a chemical plant and to eliminate (minimize) them before they occur. Identify Minimize Eliminate Technologies
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Risk is a measure of the safety within the engineering system. It is determined by defining a consequence of an event and then determining the probability of that event will occur. Risk = Probability * Consequence
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PROCESS HAZARD IDENTIFICATION - PROCESS HAZARD...

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