Process Safety

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Process Safety Boot Camp

Instructor-led (classroom) Course
CCPS
This intensive 4-day course is also offered periodically throughout the year to the broader chemical engineering public. Taught jointly by process...

Center for Chemical Process Safety (CCPS)

CCPS was established in 1985 to focus on engineering and management practices that can prevent and mitigate catastrophic accidents involving release of hazardous materials. CCPS is supported by sponsors in the chemical and hydrocarbon process industries and active worldwide via conferences, books, databases, education, research, and more.

Controlling Risk During Major Capital Projects

April
2009
Safety
William Bridges
Think of process safety management (PSM) as a project deliverable, and follow these best practices for scheduling and performing process hazard analyses (PHAs) and completing other PSM requirements during key phases of a major project.

Use Logic Diagrams to Analyze Failure Mechanisms

June
2005
Safety
Thiago Tinoco Pires
Here’s how to construct and apply continuous-value and single-value network diagrams, which can better represent system failure mechanisms than other logic diagrams.

Reliability for Safety Instrumented Systems

September
2004
Instrumentation
J. Patrick Williams
This article offers a detailed reliability-based methodology for determining the safety integrity level of instrumented systems by providing overpressure protection where arrangements of multiple pressure-relief valves are impractical to implement.

Will IST Stall CFATS Reauthorization?

August
2010
News Feature
Matthew McKeon-Slattery
Debate over the Chemical Facility Anti-Terrorism Standards continues to revolve around whether manufacturers and processors will be required to incorporate inherently safer technology into their security plans.

Disinfect with Sodium Hypochlorite

March
2003
Safety
Anton G. Callery
Sodium hypochlorite is an effective alternative to chlorine gas. Follow these guidelines for its safe use.

Conduct an Effective Incident Investigation

September
2004
Safety
Frederick T. Dyke
Information that can reveal the root cause of an incident resides in many places — within the plant or process unit, in control rooms and offices, and even in witnesses’ minds. Here’s how to find the data and conduct effective witness interviews.

Reduce Thermal Risk in Industrial Synthesis

October
2001
Safety
Richard C. Wedlich 
Knowing the safe operating conditions for a reaction allows us to select appropriate safety measures and thereby lower both the likelihood and the severity of a thermal runaway.

Properly Purge and Inert Storage Vessels

February
2001
Safety
George R. Kinsley Jr.
Inert gases are used to prevent fires and explosions in the vapor spaces of equipment. Correct selection of oxygen concentration and inert gas flow rate are critical to ensuring safety.

Tackling the Human Challenges of Facility Security

February
2006
Safety
Bill Effron, Dennis A. Attwood
The increased complexity of security systems may come at the expense of the user. Thus, they must be designed to match their operators' capabilities and limitations.

Consider Natural Hazards in Process Safety Management

July
2008
Safety
Frank F. Liserio Jr.
Incorporating hurricanes, earthquakes and other forces of nature into an integrated process safety management (PSM) program can enable you to effectively identify these hazards and manage the risks.

Remember Hand Protection

January
2005
Safety
Laura Randall
Setting up a hand-protection program involves understanding the hazards, choosing the appropriate glove, training personnel on glove use, and ensuring that employees use their gloves properly.

What Pressure Relief Really Means

September
2010
Back To Basics
Brian D. Kelly
Poor design, inadequate maintenance, and improper operation can all lead to mechanical failure. The basic concepts of pressure relief, when understood and applied properly, can help prevent this failure

Designing Multiple-Diameter Relief Piping

July
2007
Safety
John Garvin
Most design methods consider a single pipe diameter. Here's how to evaluate multiple-diameter systems and to calculate conservative single-pipe representations.

PSM Metrics Impact on Process Safety Culture

Global Congress on Process Safety
Mar 15, 2011
Several years ago our facility recognized the need to expand from a PSM Program managed by a small group to a PSM Culture owned by the full facility...

Acid Release From Catalyst Tanks

Global Congress on Process Safety
Mar 15, 2011
This is the story of how the cumulative effects of several seemingly innocent changes to a catalyst system resulted in a near miss Process Safety...

What to Do When Nothing Has Happened?

Global Congress on Process Safety
Mar 15, 2011
Often during a Layer of Protection Analysis (LOPA) or a Quantitative Risk Analysis (QRA) study, historical information indicates no occurrences of a...

An Update on OSHA's PSM National Emphasis Programs

Global Congress on Process Safety
Mar 15, 2011
Since 2007, OSHA has initiated two major National Emphasis Programs (NEPs) in process safety. The Petroleum Refinery Process Safety Management NEP (...

Portfolio Risk Management for Process Safety

Global Congress on Process Safety
Mar 14, 2011
A majority of PSM tools and risk methodologies are focused on risks at individual sites or process units. For example, PHA risk ranking matrices are...

Making Existing Process Plants Inherently Safer

Global Congress on Process Safety
Mar 14, 2011
Making process plants inherently safer has obvious advantages and is easiest to do when designing a new plant. Modification of existing plants to...

Ignition of Dust Layers by Mechanical Sparks

Global Congress on Process Safety
Mar 14, 2011
Dust explosions represent a considerable safety risk in process industry. Statistical records of dust explosions show that 32.7 % of these explosions...

Implementation of PSM In Capital Projects

Global Congress on Process Safety
Mar 14, 2011
It is critical to embed Process Safety Management in the capital project system to help achieve a safe start-up. This is the foundation for assuring...

LOPA – Validating Human IPLs and Ies

Global Congress on Process Safety
Mar 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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