Dust Hazards

Most solid materials that can be ignited can form an explosive dust cloud if the particle size of the solid is small enough. Special attention should be pay to identification of accumulation of dust and powders in plants and to specified safe operating procedures for handling powders and dusts.

How to Conduct a Dust Hazards Analysis (DHA)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 24, 2018
Abstract: Dust hazards analyses (DHAs) are required to be completed by September 2018 for all existing facilities, per NFPA 652. This presentation...

Dust Explosion Hazards: Housekeeping Quantified

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 29, 2017
DUST-EXPLOSION HAZARDS: HOUSEKEEPING QUANTIFIED Richard W. Prugh, PE, CSP Principal Process Safety Engineer Chilworth Technology, Inc., a Dekra...

Limiting Oxygen Concentration of Hybrid Mixtures

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 28, 2017
An investigation into the limiting oxygen concentration (LOC) of fifteen combustible dusts, one gas, two solvents and their mixtures in the standard...

Flameless Vent Testing

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
Flameless vents were developed and marketed for the first time over 25 years ago. The technology has evolved and been applied effectively in a wide...

NFPA Combustible Dust Standards - 2016 Update

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
Every year, destructive and deadly dust-related fires and explosions affect a wide range of industries around the globe. In the United States alone,...

Prevention of Combustible Dust Explosions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
This tutorial emphasizes the technical understanding of combustible dust phenomena. It will enable attendees to better understand combustible dust...

Combustible Dust Hazard Assessment: A Risk Based Approach

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
A CCPS Concept Book on performing Combustible Dust Hazard Assessments (CDHA) will be published later this year. This book is not meant to duplicate...

Are Unconfined Hydrogen Vapor Cloud Explosions Credible?

Conference Presentation
Southwest Process Technology Conference
October 10, 2014
A question is frequently raised by owner/operators of chemical processing and refinery sites as to whether unconfined hydrogen vapor cloud explosions...

Unknown Aspects of Metal Dust Explosions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 1, 2014
Dust explosions hazards have been addressed in a number of standards and guidelines aiming at supporting industry to work safely (including NFPA 61,...

Chemical Explosion Isolation For Small Contained Vessels

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 1, 2014
Particle size reduction equipment are used in many branches of the process industries, such as food, chemical, pharmaceutical and energy. According...

Lessons Learned From Fire in Air Supply Ducts

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
May 1, 2013
ABSTRACT Submitted for consideration to the 47 th LPS on Oct 31, 2012 Title: Lessons Learned from Fire in Air Supply Ducts Primary author: Al Waller...

Assessing the Hazard of Marginally Explosible Dusts

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 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...

Explosibility of Nano-Sized Metal Powders

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 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...

Fire From Iron

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 3, 2012
Although the potential consequences of combustible dust explosions are becoming more widely known, the potential consequences of combustible dust...

Tutorial on Combustible Dust

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

Ignition of Dust Layers by Mechanical Sparks

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 14, 2011
Dust explosions represent a considerable safety risk in process industry. Statistical records of dust explosions show that 32.7 % of these explosions...

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...

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...

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.

Is Your Dust Collection System An Explosion Hazard?

October
2003
Safety
Vahid Ebadat, Ph.D.
The prevalence of dust explosions in dust collection units may be due to the fact that the hazards posed by the powders handled are not fully understood or that explosion preventive and protective control measures are insufficient or absent. This...

Guidelines for Safe Handling of Powders and Bulk Solids

November, 2004
Powders and bulk solids, handled widely in the chemical, pharmaceutical, agriculture, smelting, and other industries present unique fire, explosion, and toxicity hazards. Indeed, substances which are practically inert in consolidated form may become quite hazardous when converted to powders and...

Addressing Combustible Dust Hazards

May
2011
Back To Basics
Michelle Murphy, Molly R. Myers, Judy Perry
Facilities that handle or generate dusts are at risk for explosions and flash fires. Follow this approach to understand and mitigate your combustible dust hazards.

Addressing the Hazards of Data Omission from MSDSs

April
2005
Safety
James C. Mulligan
If certain chemicals lack physical hazards data, suppliers must be proactive to keep workers safe. Here’s how to determine dust flammability and reactivity data for inclusion on MSDSs.
Subscribe to Dust Hazards