May 2012 | AIChE

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May 2012

Methods for Precluding the Existence of a Dust-Explosion Hazard

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The "generic" standard for preventing fires and explosions involving combustible dusts is the National Fire Protection Association publication NFPA...

Practical Issues with Marginally Explosible Dusts - Evaluating the Real Hazard

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
A combustible dust can be non-explosible, marginally explosible or severely explosible. With the exception of a few standards with a quantitative...

Materials as Inherent Ignition Sources for Dust Explosions During Spray Drying

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
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...

Combustible Dust: A Practical Approach to Identifying and Mitigating Hazards

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Combustible dust hazards are prevalent in many facilities throughout industry, including the chemical process industries. Lack of awareness and...

Comparison of Deflagration to Detonation Transition (DDT) Criteria with Test Data From Unconfined Ethylene-Air Vapor Cloud Explosion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Deflagration to detonation transitions (DDT) were previously observed in a set of large-scale unconfined vapor cloud explosion (VCE) tests involving...

Lifecycle Physical Hazards of Polystyrene Foam Board

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
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...

Thermal Stability of Chemicals Based on Kinetics and Vessel Parameters

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Thermal stability of a chemical mixture or pure material can be evaluated using adiabatic calorimetry. Several calorimetry testing instruments and...

Burn Injury Caused by Mixing Incompatible Chemicals with Sodium Permanganate

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
This paper discusses the investigation of an accident caused by the mixing of incompatible chemicals, a strong oxidizing agent with a reducing agent...

How to Efficiently Perform the Hazard Evaluation Required for Non-Routine Modes of Operation (Startup, Shutdown, Online Maintenance)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Process safety is about controlling risk of failures and errors; controlling risk is primarily about reducing the risk of human error. All elements...

LOPA – Validating Human IPLs and Ies

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Layer of Protection Analysis (LOPA) is a simplified risk assessment method that provides an order of magnitude estimate of the risk of a potential...

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