Conference Presentations - 2010 Global Congress on Process Safety

Geographical Societal Risk: A Useful Method for Understanding Societal Risk

Mar 22, 2010
Hans Boot
Dutch legislation on safety and land use planning: Being a densely populated country, the Netherlands has extensive experience using safety regulations in land-use planning. Risk criteria have to be verified in urban development planning. Individual (Locational) Risk (IR) is easy to illustrate...

Results of Root Cause Analyses of Spring Operated Pressure Relief Valve Failures

Mar 22, 2010
Julia V. Bukowski
A subset of 44 failed spring operated pressure relief valves (SORV) from a set of over 5600 Process Equipment Reliability Database (PERD) proof tests was subjected to root cause of failure analysis (RCA). This paper reports on the findings of those 44 analyses and includes specific examples of root...

Thermal Stability of Chemicals Based on Kinetics and Vessel Parameters

Mar 21, 2010
Amy Theis
Thermal stability of a chemical mixture or pure material can be evaluated using adiabatic calorimetry. Several calorimetry testing instruments and techniques will be used and compared for a comprehensive evaluation. Results from these tests can be used to determine kinetic parameters which can be...

LOPA – Going Down the Wrong Path

Mar 21, 2010
Robert F. Wasileski
Layer of Protection Analysis (LOPA) has quickly gained acceptance in the Chemical Processing Industries (CPI), and has risen to be one of the leading risk assessment techniques used for process safety studies. LOPA generally employs more rigor and science than what is encountered with qualitative...

Training Management of Change Approvers

Mar 21, 2010
Karen Study
Many companies have made great strides in change management systems since OSHA's Process Safety Management Standard 29 CFR 1910.119 was first promulgated in 1992. This standard required “implementation of written procedures to manage changes… that affect a covered process”i. Although significant...

Lifecycle Physical Hazards of Polystyrene Foam Board

Mar 21, 2010
Atsumi Miyake
Polymer Foam Boards have been widely used for individual home and general building, from roofs and/or walls down to foundation, for example. On the other hand, these Boards have significant physical hazards, because flammable blowing agent has come to be used, replacing nonflammable CFC chemicals...

Instrumented Protective Systems for Distillation Operations

Mar 21, 2010
Jennifer Mize
Distillation is one of the most common unit operations in the chemical processing industry. Using relative volatility as a means of separating chemicals involves adding large amounts of energy to the system at the base of the column, typically through the use of a reboiler, and then removing that...

Is It Really an Independent Protection Layer?

Mar 21, 2010
Arthur M. Dowell
Layer of Protection Analysis (LOPA) is a simplified chemical process risk assessment tool that is used to determine if sufficient independent protection layers are in place to meet an organization's risk tolerance criteria for a particular hazardous scenario. LOPA can determine how much additional...

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