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Technical Presentations

Dust Explosions: Case Study of Dryer Explosions and Poor Explosion Vent Design

Apr 4, 2012
Scott G. Davis
Four recent explosions occurred in a single burner, recirculating solids ring dryer. The dryer was equipped with a recirculating fan, a burner section, a section to introduce the solids, a ring duct, a pre-separator and four cyclones. Seven explosion doors were also used to protect the integrity of...

Modeling of Underground Hydrogen Pipelines

Apr 4, 2012
Elizabeth Lutostansky
Hydrogen is a critical component in the production of cleaner fuels. Underground pipelines provide a safe, reliable supply of hydrogen to refineries and the petroleum industry. Proper assessment of the risks associated with underground hydrogen pipelines requires an accurate model of the jet fire...

Emergency Block Valves

Apr 4, 2012
Joe Viviano
An Emergency Block Valves (EBV) is used as a means of isolating flammable or toxic substances in the event of a leak or fire. The installation, and use, of EBV's in many hydrocarbon services will significantly reduce the potential of fire and explosion damages caused by loss of hydrocarbon...

Beware of the Black Swan

Apr 4, 2012
John Murphy
In 16 th century London, a statement that describes impossibility was referred to as a “black swan” because all historical records of swans up to that time had reported that swans only had white feathers. The Greek philosopher Aristotle first used the term “white swan” as an example of necessary...

Acetylene Converter Safety Systems

Apr 4, 2012
Nelson Shen
Acetylene is produced as a by-product during the pyrolysis cracking of hydrocarbons in ethylene plant furnaces. Typically the acceptable acetylene contaminant level in the polymer grade ethylene product is in the range of 1 ppmv or lower. Since acetylene will fractionate with ethylene, it needs to...

Major Turnaround in An Olefins Plant: A Process Safety Point of View

Apr 4, 2012
Pablo Ricardo Barrera
The process safety management in an industrial plant is a critical success factor for companies integrated in a global market. The equipments should have maximized performance and operational runlenght without compromising process safety. The challenge for excellence performance drives companies to...

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