Combustible Dust Testing Schema Offers Data for DHAs

March 12, 2020

1 Min Read
Combustible Dust Testing Schema Offers Data for DHAs
Dr. Ashok Ghose Dastidar, vice president, dust & flammability testing and consulting services, Fauske & Associates LLC

On March 31, 2020 at 2 p.m. Eastern/11 a.m. Pacific, Dr. Ashok Ghose Dastidar, Vice President, Dust & Flammability Testing and Consulting Services, Fauske & Associates LLC will present "Schema for Combustible Dust Testing to Provide Data for a Dust Hazards Analysis (DHA)" as part of Powder & Bulk Solids' DryPro webinar series.

Assessing the combustible nature of dusts and powders is very different that gases and vapors. For gases and vapors the chemical reaction is based solely on molecular level interactions. However, for dusts and powders the reactivity is based on additional factors such as particle size distribution, particle morphology, and moisture content. As such, test data becomes crucial when assessing process hazards at a facility; resorting to literature values for combustibility information is not prudent. This presentation will discuss a schema to be used to generate explosion severity, ignition sensitivity, and burning potential data to be used in a DHA, as well as fire/explosion mitigation strategies. The schema is a two-fork four-stage model that will cover testing for both deflagration and fire potential assessments for DHAs.

Dr. Dastidar specializes in chemical process hazards analysis, flammable dusts, liquids and vapors explosion and combustion hazards analysis, and testing and electrostatic hazards analysis. He has extensive technical experience performing tests and analyzing data to determine electrostatic hazards, dust explosibility hazards, flammability hazards, thermal stability and reactivity hazards, and hazard analysis and risk mitigation. Dr. Dastidar has published 12 articles and presented at more than 23 conferences. He has a Ph.D., Chemical Engineering, Dalhousie University, an M.A.Sc., Chemical Engineering, Technical University of Nova Scotia, M.B.A, Management Science, Saint Mary's University, and a B.S., Honors in Chemistry,

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