May 2012 | AIChE

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May 2012

A Conceptual Approach to the Evaluation of Layers of Protection for Inherently Safer System Design

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
First order inherently safer technology (IST) involves the elimination of a hazard through one of four traditional approaches. While these methods...

Using the HAZOP Study and LOPA to Generate Ideas for Inherently Safer Designs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Fundamental changes in a chemical process are most cost-effective at early stages of a design, and specific Inherently Safer Design evaluations are...

Use and Misuse of Enabling Conditions and Conditional Modifiers in Layers of Protection Analysis

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Enabling conditions and conditional modifiers are some of the most contentious factors used in Layer of Protection Analysis. Enabling conditions are...

Improvement of BLEVE Overpressure Method Using Historical Data

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
The current CCPS/TNO's BLEVE (Boiling Liquid Expanding Vapor Explosion) overpressure methodology is derived from that published by Baker in 1975...

Fire Study of Melting Fiberglass Using FLUENT CFD Software

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Thermal insulation is used in chemical plants primarily as a tool to prevent energy loss. However, if installed properly, an added benefit is that of...

High-Fidelity Dynamic Modeling of Depressurizing Vessels and Flare Networks to Improve Safety and Reduce CAPEX

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The use of dynamic modeling for relief system design can result in a considerable reduction in capital expenditure while simultaneously improving...

Gas Piping and Equipment Commissioning Risks "10 Key Things Everyone Should Know"

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
There have been a number of devastating incidents related to natural gas piping system and the start-up and commissioning of equipment. It's very...

Ignition of Dust Layers by Mechanical Sparks

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Dust explosions represent a considerable safety risk in process industry. Statistical records of dust explosions show that 32.7 % of these explosions...

Effect of Physical Properties of Particulates on Fires and Dust Explosions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
There has been a dramatic approach in the way we are implementing process safety guidelines and standards for combustible. This is particularly true...

Secondary Dust Explosions: How to Prevent Them or Mitigate Their Effects?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Dust explosions are frequent and particularly devastating in the process industries, and secondary dust explosions are the most severe ones. A...

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