Technical Presentations

Consequence Modeling of Chlorine Release

Mar 22, 2010
Prakash Amulakh Shah
This paper describes the Consequence Modeling of Chlorine release from a Chlor Alkali plant as a part of Process Hazard Analysis. The objective was to carry out a Quantitative Risk Assessment Study of the liquid Chlorine storage area of the Chlor Alkali plant and build up in-house capability to...

Ensuring Consistency of Corporate Risk Criteria

Mar 22, 2010
J. Wayne Chastain
The recently published CCPS text Guidelines for Developing Quantitative Safety Risk Criteria makes a strong case for corporations developing risk criteria. One topic addressed in the text is the development of criteria for use in single cause – consequence risk analysis methodologies such as Layer...

Stability Analysis of Safety Valve

Mar 22, 2010
The stability for a safety valve was investigated by experiments and analysis. It was found that the dynamic instability was caused by the interaction effect between the pressure wave propagation through the inlet pipe and the valve disc motion. This dynamic instability is mitigated by the...

Risk-Based Mechanical Integrity - Beyond Fixed Equipment

Mar 22, 2010
Thomas J. Folk
This paper presents approaches to provide a safer operating plant by extending mechanical integrity to all process equipment using a risk-based approach to better focus resources. Risk-based approaches for inspection and testing of fixed equipment for mechanical integrity (API 580/581) and for the...

Modeling Small Releases from Tanks

Mar 22, 2010
Fredrick H. Knack
The methodologies in the chapter on “Dispersion Modeling” in the CCPS book Guidelines for Consequence Analysis of Chemical Releases, provide means for modeling outdoors releases at relatively long distances from a large source. At times it is necessary to model releases at relatively short...

Combustible Dust: A Practical Approach to Identifying and Mitigating Hazards

Mar 22, 2010
Richard C. Griffin
Combustible dust hazards are prevalent in many facilities throughout industry, including the chemical process industries. Lack of awareness and control of these hazards has led to numerous catastrophic accidents. Chevron Phillips Chemical Company LP has developed a practical approach to identifying...

Materials as Inherent Ignition Sources for Dust Explosions During Spray Drying

Mar 22, 2010
Vincent Van den Hoogenband
During spray drying, a solution is dispersed through a nozzle in small droplets to evaporate the water by means of hot air. In a large number of these processes, organic materials are processed so three out of four factors for dust explosions to occur are already present. The only thing missing for...

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