Explosion indices test (K st value and P max) Dust explosion classes ST1, ST2 & ST3 Kst value and Pmax are explosive properties measured in the laboratory to quantify the severity of a dust explosion. Coke Dust is Combustible and is an Explosion Hazard: When most people think of controlling dust in the workplace, they think of taking steps to avoid inhaling dusts to prevent health problems. The surface area is Do not release runoff from fire control For example, use non-sparking tools and prohibit smoking, flares, sparks or flames in immediate area. 4 . By John Baker, Total Safety Certified Industrial Hygienist. The NFPAs Industrial Fire Hazards Handbook states, any industrial process that reduces a combustible material and some normally non-combustible materials to a finely divided state presents a potential for a serious fire or explosion., Suggested Industrial Vacuums for Recovery of Toxic & Combustible Dust. It shows that the higher pyrolysis upgrading temperature is, the lower explosibility of semi-coke powder has. In some cases, fume A potentially catastrophic hazard which must be controlled in coke handling operations is the possibility of a combustible dust explosion or deflagration. Advertisement "Any organic material can burn," says University of Arizona chemistry professor Dr. Steve Brown. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. This entire process of coke making is associated with various safety hazards like hit / entanglement with mobile equipment, burns, fire and explosion, slip & fall, exposure to dust, noise, heat & gas etc. These cookies do not store any personal information. Petroleum coking is an environmentally responsible recycling process used in some oil refineries to make the most use of hydrocarbon residuals that otherwise would go to waste. Loss: Three Injured Capital Cost: Unknown. Type: Dust Explosion. Coke dust may form combustible mixtures with air. Heat and flames cause emittance of acrid smoke and fumes. handling coke should contain explosion relief vents or explosion suppression systems. However, when aluminium is stored at controlled humidity, Class II Locations: Are those which are hazardous due to the presence of combustible dust. Respiratory protection: None needed under normal use conditions with adequate ventilation. Part 1 of 2 - How to Make a dust explosion experiment. The joint investigation report indicated that a fire initiated in a shell molding machine from an unknown source and then Testing Method: IEST RP-CC034.3. Explosion indices test (K st value and P max) Dust explosion classes ST1, ST2 & ST3 Kst value and Pmax are explosive properties measured in the laboratory to quantify the severity of a dust explosion. Petroleum coke, abbreviated coke or petcoke, is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes.Petcoke is the coke that, in particular, derives from a final cracking processa thermo-based chemical engineering process that splits long chain hydrocarbons of petroleum into shorter chainsthat takes place But opting out of some of these cookies may have an effect on your browsing experience. 2. An explosion of coke dust may spread due to the fact that, under the impact of thermal radiation, dust particles release volatile parts, which allow the formation of a cloud of easily flammable and explosive gas mixture in new areas formed by those volatile parts with air. Excessive concentrations of calcined petroleum coke may reduce visibility, cause unpleasant deposits eye, ears, and nasal passages, or irritate the skin or mucous exposure has not been determined to