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Inertization Effects on the Explosion Parameters of Different Mix Ratios of Ethanol and Toluene – Experimental Studies

Flasińska P.

Materiały Wysokoenergetyczne

2016

T. 8

111--117

Each flammable substance has a range in which it can be explosively ignited when mixed with air at given temperatures and pressures. For fire or explosion to occur the appropriate amounts of oxidant and flammable substance are necessary at a concentration at least equal to its lower explosive limit. High potential toxicity and flammability of mixtures used in industry can lead to serious harm to people and the environment. Therefore, preventing accidents which can result in fire and/or explosion, is an important factor in the design of chemical processes. For this purpose, a process called inertization can be applied. In this paper the explosion characteristics of mixtures of two solvents: ethanol-toluene is discussed. Explosion parameters were experimentally determined using a closed vessel of 20 l at 120 °C and ambient pressure. Results are shown graphically as ternary diagrams with the explosion hazard areas highlighted. Results show importance of inertization in process safety.