Process Safety Technical Areas

Flammable Vapor Explosion At Dupont Yerkes Facility

AIChE Spring Meeting and Global Congress on Process Safety
Apr 30, 2013
This case study examines a November 9, 2010, explosion at an E.I. duPont de Nemours and Co. Inc., Yerkes chemical plant in Buffalo, New York when a...

Promoting Commitment to Process Safety

AIChE Spring Meeting and Global Congress on Process Safety
Apr 30, 2013
Successful implementation of process safety management (PSM) typically requires the use of a combination of physical and procedural safeguards...

Safety Controls, Alarms, and Interlocks As IPLs

AIChE Spring Meeting and Global Congress on Process Safety
Apr 30, 2013
Layers of Protection Analysis (LOPA) involves the analysis of the sequence of events leading to an identified scenario. This analysis yields an...

Assessing the Hazard of Marginally Explosible Dusts

AIChE Spring Meeting and Global Congress on Process Safety
Apr 30, 2013
With the current focus on combustible dust hazards in industry, an increasing number of dusts are being tested by facilities to determine their...

Troubleshooting a Furnace Emissions Problem

AIChE Spring Meeting and Global Congress on Process Safety
Apr 30, 2013
We had been fighting CO flue gas emissions on our CEMS analyzer for around a year, we had indications that it was a burner problem, fixed the burners...

Explosibility of Nano-Sized Metal Powders

AIChE Spring Meeting and Global Congress on Process Safety
Apr 30, 2013
Industrial accidents in the metal processing industries are not uncommon. Some of these accidents are in the form of dust explosions or flash fires...

Process Safety Management Framework in Japan

AIChE Spring Meeting and Global Congress on Process Safety
Apr 29, 2013
In recent years, accidents of chemical plants are occurring frequently in Japan. One of the reasons is that many Japanese companies do not have a...

Unique Failure Mode for API Seal Plan 76

AIChE Spring Meeting and Global Congress on Process Safety
Apr 29, 2013
Unique Failure Mode for API Seal Plan 76 Double mechanical seals with a pressure alarm in the containment chamber are commonly used in LPG and other...

NFPA 68 New Gas Venting Equations

AIChE Spring Meeting and Global Congress on Process Safety
Apr 29, 2013
The 2013 edition of NFPA 68 Standard on Explosion Protection by Deflagration Venting will replace vent area sizing equations containing the gas...

Near Misses - Private or Public Concern?

AIChE Spring Meeting and Global Congress on Process Safety
Apr 29, 2013
Near miss incidents include those releases and/or fires that do not result in significant employee injury or costs. In many cases there are federal...

Engineering Pellets of Biomass Blends

AIChE Annual Meeting
Oct 30, 2012
Transportation and handling of lignocellulosic biomass are often challenging and expensive due to low bulk density, in the range of 60-80 kg/m 3 for...

Design Challenges in Tankage Modernization

AIChE Spring Meeting and Global Congress on Process Safety
Apr 4, 2012
In order to comply with regulation requirements, a refinery needs to perform major revamps to produce different grades of Diesel, namely ULSD, Off-...

Proven in Use (What's the Quality of Your Data)

Global Congress on Process Safety
Apr 4, 2012
To perform LOPA's, fault tree analysis, SIL verifications and other quantitative likelihood analyses requires data. As much as everyone wants data,...

Societal Risk Criteria and Pipelines

Global Congress on Process Safety
Apr 4, 2012
The discussion of societal risk criteria for the process industry began in the 1970's, led primarily by the Dutch and British governments. Most of...

Flash Fire From a Hot Combustible Liquid

Global Congress on Process Safety
Apr 4, 2012
A truck driver loading a tanker was fatally injured in a flash fire. The accident occurred at the loading rack of a petroleum refinery. The truck...

Emergency Block Valves

AIChE Spring Meeting and Global Congress on Process Safety
Apr 4, 2012
An Emergency Block Valves (EBV) is used as a means of isolating flammable or toxic substances in the event of a leak or fire. The installation, and...

Fire From Iron

Global Congress on Process Safety
Apr 3, 2012
Although the potential consequences of combustible dust explosions are becoming more widely known, the potential consequences of combustible dust...

Using Alarms As a Layer of Protection

Global Congress on Process Safety
Apr 3, 2012
Alarms and operator response are one of the first layers of protection in preventing a plant upset from escalating into a hazardous event. This...

Hydrogen Membrane Technology for Ethylene Production

AIChE Spring Meeting and Global Congress on Process Safety
Apr 3, 2012
HYDROGEN TRANSPORT MEMBRANE TECHNOLOGY FOR ETHYLENE PRODUCTION U. (Balu) Balachandran, T. H. Lee, C. Y. Park, and S. E. Dorris Energy Systems...

Taking a Risk for Safety

Global Congress on Process Safety
Apr 3, 2012
Taking a Risk for Safety Over the last twenty years companies in the process industries have invested heavily in their occupational safety programs...

Tutorial on Combustible Dust

Global Congress on Process Safety
Apr 3, 2012
Recent catastrophic dust explosions, the combustible dust National Emphasis Program (NEP), and OSHA proposed rulemaking, have increased awareness of...
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