Process Safety Technical Areas

Inherent Safety In Front End Engineering

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
The best time to apply the principles of inherent safety is during the early stages of a design. In particular it is at the early stages that the ?...

The UK Experience In Managing Risks Arising From Human Error

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Following the Piper Alpha incident in the North Sea, both offshore and onshore Oil and Gas operators in the UK were required under the COMAH (Control...

Using LOPA for Sil Assignment: A Tale of Two Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 13, 2011
Two plants operated by the same company have ?identical? ammonium nitrate (AN) solution pump installations. Yet the LOPA teams concluded that the...

Flame Flashbacks: Causes and Prevention

Archived Webinar
Apr 7, 2010
This webinar addresses the principle of flammability of vapor/air mixtures, including flammability limits, ignition temperatures, the effect of inerts and how to determine the flammability of any particular mixture. It also covers ignition sources and the common methods of avoiding flashbacks,...

Elements of Human Factors Missing from Process Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Process safety is about controlling risk of failures and errors; controlling risk is primarily about reducing the risk of human error. All elements...

Modification of Risk Using Barrier Methodology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Risk assessments use frequency data mostly from generic sources, typically from the North Sea offshore environment or from process facility records...

A Framework for Human Error Analysis of Emergency Situations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 23, 2010
Human factors play an important role in the escape, evacuation and rescue process. Human factors analysis is rooted in the concept that the frequency...

Consequence Modeling of Chlorine Release

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper describes the Consequence Modeling of Chlorine release from a Chlor Alkali plant as a part of Process Hazard Analysis. The objective was...

Modeling Small Releases from Tanks

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
The methodologies in the chapter on “Dispersion Modeling” in the CCPS book Guidelines for Consequence Analysis of Chemical Releases, provide means...

How to Evaluate Process Safety Culture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
At first glance it may seem that organizational culture is subjective and therefore difficult to measure. Indeed, even the definition of culture...

Atmospheric Storage Tank Explosion Modeling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Many flammable products are usually stored in large vessels at atmospheric pressure. Ignition of an hydrocarbon-air mixture in such tanks can lead to...

Assessing the Burning Rate of Solid Oxidizers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
A method for assigning solid oxidizers and products containing oxidizers to an NFPA Class was developed. The method consists of two reaction-to-fire...

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...

Instrumented Protective Systems for Distillation Operations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Distillation is one of the most common unit operations in the chemical processing industry. Using relative volatility as a means of separating...

Consistent Consequence Severity Estimation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
LOPA, as a semi-quantitative analysis, often provides inconsistent results. This can be due to physical differences between units but often it is due...

LOPA and Human Reliability – Human Errors and Human IPLs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Layer of Protection Analysis (LOPA) is a simplified risk assessment method that provides an order of magnitude estimate of the risk of a potential...

HAZOP, LOPA, SIL: Be Careful What You Ask for!

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
In recent years Process Safety Engineers have promoted the use of HAZOP to identify hazards and assess safeguards, followed by LOPA to identify if...

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...

Dust Explosion

Archived Webinar
Jun 24, 2009
Catastrophic dust explosions in 2003 and 2008 have placed an increased emphasis on the prevention and mitigation of dust explosions. In response to these incidents and subsequent CSB recommendations, OSHA has introduced a Combustible Dust National Emphasis Program (NEP) and has greatly increased...

Explosion Prevention and Mitigation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 30, 2009
The analysis, prevention, protection and mitigation of fire, explosion, and reactivity hazards continue to be important to the loss prevention...

LNG Safety - II

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2009
This session presents advancements in LNG safety in LNG baseload and receiving terminals, LNG ships and other related areas. LNG Vapor Dispersion...

Transportation Risk

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
Transportation Risk Assessment (TRA) is an essential aspect of risk management. TRA manages transportation risks by considering hazards, routes, and...

Food and Consumer Products Process Hazards

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
The Food and Consumer Products area has significant hazards and risks from dust and flammable liquid explosions as well as from toxic releases...

Process Safety Metrics and Culture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
This session features presentations focusing on using the new CCPS Process Safety Metrics and other metrics to drive continual improvement in a...

Mechanical Integrity - State of the Art

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2009
This session presents papers on the latest mechanical integrity concepts, practices and programs. All aspects of mechanical integrity are covered,...

Consequence Modeling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 27, 2009
Consequence modeling has evolved as a result of accident investigations, government regulations, and the maturation of process hazards analysis and...

Safety Culture and Operational Discipline

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 27, 2009
This session focuses on the cultural aspects of a successful Process Safety program. Papers that are presented cover new and innovative ideas on...

Fires, Explosions and Reactive Chemicals

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 27, 2009
The analysis, prevention, protection and mitigation of fire, explosion, and reactivity hazards continue to be important to the loss prevention...

Introduction to Flammable Materials

Archived Webinar
Feb 17, 2009
This webinar will provide a basic introduction to flammable materials with the purpose of providing valuable information that a practicing engineer can use to prevent fires and explosions. The presentation will first define the problem using accident statistics and some simple case histories, and...

A Century of Process Safety: Process Safety at OSHA

Conference Presentation
AIChE Annual Meeting
November 17, 2008
This presentation will provide a brief history of OSHA's efforts in process safety management. It will include discussion of the PSM standard and...

Featured Engage Discussions: October 2017

October 24, 2017

Discussion central participants discuss why they become a chemical engineer, the purpose, of the instructional lab, describing the process safety profession to others, and more.

Houston Process Safety Faculty Workshop

November 20, 2017

AIChE’s Center for Chemical Process Safety will present a chemical engineering faculty workshop sponsored by LyondellBasell in Houston on January 8-11, 2018.

Catalyzing Commercialization: Novel Catalysts Enhance Propylene Oxide Production

October
2017
Catalyzing Commercialization
Propylene oxide (PO) is a major commodity chemical used to produce intermediate chemicals, such as propylene glycol, polyether polyols, and polyurethanes, that go into a variety of end products, including coatings, adhesives, furniture foams, and automobiles. A California-based startup has developed a new, drop-in replacement catalyst for PO production.

10 Steps to Protect Workers against Airborne Hazards

October
2017
Safety
Erik W. Johnson
Respiratory safety involves more than properly wearing and maintaining personal protective equipment (PPE). Follow these steps to evaluate hazards and establish effective procedures to mitigate those hazards.

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