Process Safety

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Process Safety Boot Camp

Public (classroom) Course
Offered in North America, this intensive and highly interactive 4-day course trains chemical engineers in the fundamentals of Process Safety. Taught...

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.

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...

Process Safety Management in the Energy Sector

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper describes experience of application of the principles of process safety management within Centrica plc, an integrated energy company with...

Ensuring Consistency of Corporate Risk Criteria

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
The recently published CCPS text Guidelines for Developing Quantitative Safety Risk Criteria makes a strong case for corporations developing risk...

Journey towards PSM Excellence

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
This paper describes the experience, learning and major challenges in implementing Process Safety Management at Reliance Industries Limited (RIL)...

Stability Analysis of Safety Valve

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
The stability for a safety valve was investigated by experiments and analysis. It was found that the dynamic instability was caused by the...

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...

Process Safety in the Face of Significant Change

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 22, 2010
Development of an effective process safety culture requires employees to look beyond intended performance, to their own nonconscious assumptions...

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...

Is It Really an Independent Protection Layer?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Layer of Protection Analysis (LOPA) is a simplified chemical process risk assessment tool that is used to determine if sufficient independent...

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...

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...

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...

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...

LOPA – Going Down the Wrong Path

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Layer of Protection Analysis (LOPA) has quickly gained acceptance in the Chemical Processing Industries (CPI), and has risen to be one of the leading...

Training Management of Change Approvers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
Many companies have made great strides in change management systems since OSHA's Process Safety Management Standard 29 CFR 1910.119 was first...

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...

Managing Management of Change

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 21, 2010
The Center for Chemical Process Safety (CCPS) has designated MOC as one of the areas where metrics need to be developed. One of the issues that CCPS...

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...

July 2017 CEP Preview

July 10, 2017
This month features a special section on solar energy, with a look at concentrating solar thermal (CST), solar thermochemical energy storage (CSP), and more.

Making Sense of Laboratory Fire Codes

July
2017
Safety
Richard Palluzi
Laboratory owners are faced with a difficult task when building a new lab or renovating an existing one — two fire-prevention codes specify different restrictions on the quantities of hazardous materials that can be used and stored in that facility.

Process Safety Visions: Enhanced Stakeholder Knowledge

July
2017
Process Safety Visions
As the CCPS Vision 20/20 committee members were envisioning the future, they initially considered tenets that companies with great process safety performance will possess. As they developed the five industry tenets, they recognized that we are all in this together and everyone can make an impact on process safety. It is a joint responsibility of the companies and their stake-holders: academia, regulators, and the community.

Overview of Risk Based Process Safety

Public (classroom) Course
Special 1-day Version Special 1-day version of this course is being offered at the 4th CCPS Global Summit on Process Safety. For more information,...

Sponsored Webinar: Layer of Protection Analysis (LOPA): When and Where?

Live Webinar
Live Wednesday, July 26, 2017 - 2:00pm-3:30pm
When is the best time to do Layer of Protection Analysis? Take this webinar to assess your options. In this 60-minute webinar, you’ll learn many facilitators have a preference about when to do LOPA - during the PHA/HAZOP, at the end of the PHA/HAZOP or independently of the PHA/HAZOP. You’ll...

Prevent the Next Catastrophe

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 28, 2017
With the increasing complex manufacturing processes and environmental regulations, and the challenges to retaining knowledge from retiring employees...

Incorporate Cybersecurity into Your PSM Program

June
2017
Safety
Ursula Malczewski, Amy E. Theis, P.E.
Here are some prevention and mitigation strategies for three common types of industrial incidents — a network breach, an insider attack, and infection via a portable device — and recommendations for incorporating industrial cybersecurity into an existing process safety management (PSM) program.

Industrial Cybersecurity: How Much Is Enough?

June
2017
Safety
Michael Firstenberg
To answer that question, first summarize potential attack scenarios in a matrix. Then identify which combinations of attacks, consequences, and risks require mitigation and which you are willing to accept.

Free Faculty Process Safety Workshops

June 6, 2017
In recognition of the work that academic faculty do to prepare the next generation of chemical engineers, AIChE is partnering with industry leaders to provide free faculty...

Editorial: Keeping Industrial Control Systems Secure

June
2017
Editorial
Cynthia Mascone
Although I would like to take credit for displaying stellar planning skills, it’s actually through serendipity that this issue features two articles on cybersecurity. The articles, which focus specifically on the security of industrial control...

Process Safety Boot Camp

Public (classroom) Course
Offered in North America, this intensive and highly interactive 4-day course trains chemical engineers in the fundamentals of Process Safety. Taught...

OSHA Process Safety Management Review

eLearning (online) Course
Take this fundamental course and gain an introduction to Process Safety Management. In just two short hours, you’ll learn how and when to apply the...

New Products: June 2017

June
2017
New Products
Fluids and Solids Handling Bulk Bag Filler Is Equipped with a Pallet Dispenser This bulk bag filler automatically places an empty pallet under a bulk bag prior to filling. Between 14 and 16 pallets can be loaded into the pallet dispenser. The filler...

June 2017 CEP Preview

June 12, 2017
This month, results of the biennial salary survey of chemical engineers, ways to improve spreadsheet productivity, cybersecurity tips, and more.

Process Safety Beacon: Investigating a Steam Pipe Failure

June
2017
Process Safety Beacon
A 36-in. (~1-m) section of a 12-in.-dia. (30.5-cm), 600-psig (~41-barg) steam pipe in a large chemical plant suddenly ruptured, causing major damage in November 1998. The pipe was located upstream of a decommissioned venturi flowmeter. Steam supply...

Sponsored Webinar: Making Your HAZOP Study Work for You…In Real Time

Archived Webinar
May 3, 2017
Too often, a HAZOP study, despite the investment of human and financial capital, becomes a stand-alone document, securely archived for regulatory purposes. Many disparate processes or in fact even a lack of processes, related to study follow-up activities may not give you the insight you need into...

Guidelines for Combustible Dust Hazard Analysis

May, 2017
This book describes how to conduct Process Hazard Assessments (PHAs) for processes handling combustible solids. The book explains how to do a dust hazard assessment by using either an approach based on compliance with existing consensus standards, or by using a risk based approach. Worked examples...

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