LICENTIATE THESIS Department of Chemical Engineering and Geosciences Division of Extractive Metallurgy Blast Furnace Coke Properties and the Influence on Off-gas Dust Maria Lundgren ISSN: 1402-1757 ISBN 978-91-7439-102-2 Luleå University of Technology
State of the art: Promotion of early inherently safer design against dust explosions
of petroleum coke as a partial replacement for pulverized coal in the feed to utility boilers. Petroleum coke was found to be an inherently safer fuel than coal from the point of view of explosion pressure and rate of pressure rise. The use of silica beads as
Sustainability | Free Full-Text | An Analysis of Flammability …
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
Effects of pyrolysis upgrading temperature on semi-coke …
The purpose of this work is to understand the semi-coke explosion issues and to improve the safety in semi-coke injection. It shows that the higher pyrolysis upgrading temperature is, the lower explosibility of semi-coke powder has. The effects of pore structure and
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Explosion Venting Data and Modeling Literature Review - NFPA vent areas for dust explosions are 1.19 and 1.28 for the NFPA 68 and EN14491 . TNO Heating Plant Simulation Tests . . Linear (Coal, Av/V^2/3 = 0.086). Get Quote Advanced Tools to Evaluate
Green Petroleum Coke - Outros Sites Petrobras
Green Petroleum Coke Safety Data Sheet according to Regulation (EC) No. 453/2010 15/08/2011 EN (English) 2/6 P501 - Dispose of contents/container to Comply with applicable local, national and international regulation. EUH phrases : EUH210 - Safety
Journal of Loss Prevention in the Process Industries
explosion characteristics by using a 20 L apparatus. Ajrash et al. (2016), reported that for methane (1%)/coal dust (500 g m 3) the explosion is sensitive to chemical ignitors rather than the spark ignitors. The explosion initiated by spark ignitors is 250 ms slower
MATERIAL SAFETY DATA SHEET - Graphite Sales, Inc.
MATERIAL SAFETY DATA SHEET MSDS No.: 450 Petroleum Coke with Coal Tar Pitch Revision No.: Date: 11/23/04 Page 2 of 9 THE RCS COMPANIES Eyes: In dust form, may be abrasive and irritating to the eyes. Skin: Direct contact can be irritating to the skin
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A Dust Explosion Event Primary Deflagration inside process equipment 0 25 50 75 100 125 150 175 200 225 250 300 325 Time, msec. (Timing of actual events may vary) A Dust Explosion Event Shock wave caused by primary deflagration Time, msec.
Deadly Dust - The Chemical Institute of Canada
In January 2012, an explosion at the Babine Forest Products sawmill in Burns Lake, B.C. killed two workers and injured 19. Three months later a second explosion, this one at the Lakeland Mills sawmill in Prince George, B.C., killed two people and injured 22. In both cases, coustible dust from mountain pine beetle-killed wood was
Safety - What is %LEL / %UEL and PID and PPM? - Lower …
Lower and Upper Explosive Limits for Flammable Gases and Vapors Before a fire or explosion can occur, three conditions must be met simultaneously. A fuel (ie. coustible gas) and oxygen (air) must exist in certain proportions, along with an ignition source, such
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The objective of the Delayed Coker Unit is to convert the bottom of the barrel i.e. the vacuum residues, into valuable distillate, of petroleum coke to eliminate the production of low value fuel oil / asphalt. The delayed coking process is a thermal cracking process intended to transform heavy petroleum residues into lighter gaseous and liquid products and into solid coke (green coke).
Safety Data Sheet - Cubis Systems
Incompatibilities: This Graphite/Petroleum coke mixture is incompatible with all oxidizing agents. Dust Explosibility Hazards: Very finely divided graphite powder poses a very slight risk of dust explosion hazard: Dust class ST1, MIE greater that 10 J (very low
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Green Petroleum coke was found to be non-carcinogenic in mice in chronic skin painting studies with coke dust. Green Petroleum coke was found not to be carcinogenic in monkeys and rats in a two-year inhalation study at concentrations up to 30 mg/m3.
Material Safety Data Sheet HEALTH 1 FLAMMABILITY 0 REACTIVITY 0
Calcined Petroleum Coke 64743-05-1 100 Not listed use 2.0 mg/m 3 Respirable dust 3 mg/m 3 for nuisance dust Engineering Measures Use adequate dust collections to maintain dust levels below the control or recommended values. Respiratory Protection
All about chemical engineering : Coustible Dust and …
It is the effect of moving a cloud of dust from one place to another either by mechanical processes (transport, ventilation, vibration) or as the result of a primary explosion. Secondary explosion The coination of the fire elements within an enclosed structure provides the conditions for the flame to quickly spread, creating enough pressure to move any dust from work surfaces.
Coker unit - Wikipedia
There are three types of cokers used in oil refineries: Delayed coker, Fluid coker and Flexicoker. The one that is by far the most commonly used is the delayed coker. The schematic flow diagram below depicts a typical delayed coker: A typical schematic flow diagram of a delayed coking unit See also Delayed coker Shukhov cracking process Burton process Petroleum coke References External links
Since coke is hazardous, there are chances of fire hazard during handling and storage of coke such as dust explosion, Smouldering fires. • Proper safety equipment should be installed in the domes and silo to detect the fire at incipient stage such as CO monitoring system and dust collector should be provided to prevent the possibilities of dust explosion in coke storage.
Ficha de Datos de Seguridad | Calcinated Coke Fines
Calcined Coke Fines FICHA DE DATOS DE SEGURIDAD Nore del producto Otros medios de Calcined Coke Dust, or Petroleum Calcined Coke Fines, or Petroleum Calcined Coke Dust identificación 1.1 Identificador del producto 1.3 Datos del proveedor de la
U.S. DEPARTMENT OF LABOR Occupational Safety and Health …
for Deflagration/Explosion Prevention and Protection Systems Appendix E Low-MIE Coustible Dusts Bituminous, subbituminous, lignite, charcoal, petroleum coke, and carbon black. Other Textiles, biosolids, soap, and pet food. 1 Some of the in . 2
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The History and Future Challenges of Calcined Petroleum …
20/12/2014· Calcined petroleum coke is used for the production of carbon anodes in the Hall-Héroult aluminum smelting process due to a coination of low impurity levels, ready availability, and relatively low cost. This article provides a review of the history and use of calcined petroleum coke for anode production and describes the different calcining technologies used by the industry. The article
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Petroleum coke, abbreviated coke or petcoke, is a final carbon-rich solid material that derives from oil refining, A gigantic explosion of flour dust destroyed a mill in Minnesota on May 2, 1878, killing 14 workers at the Washburn A Mill and another four in
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Risk of dust explosion when loading. Caution should be exercised when walking or landing heavy machinery on the surface of uncompressed Peat Moss. Peat Moss having a moisture content of more than 80% by weight should only be carried on specially fitted or constructed ships Dust may cause eye, nose and respiratory irritation.
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Coustible Dust Control & Removal – MinTech …
For use on carbonaceous dusts such as coal, lignite, cellulose, and petroleum coke as well as chemical dusts, agricultural dusts, metal dusts, and plastic dusts Anti-static properties dissipate electrostatic energy on treated surfaces and anti-oxidant properties scavenge free radicals to help prevent the conditions that lead to explosions in coustible dust areas