Simple properties of chemicals and process safety

The newspapers are full of reports of a dry ice explosion in a restroom in LA international airport. Dry ice or solid CO2 has a property of directly changing into gas from its solid state as it's temperature increases. If the dry ice is kept in an enclosed container, then it exerts immense pressure and can explode the container. The discovery channel has a video in this link which demonstrates vividly what can happen. Worth a see by all plant operators to realise the hazards of chemicals.


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