CHAPTER FIVEREFINERY SAFETY

DANGEROUS DAN & SAFETY SALLY

Don’t worry! I always operate this way! Nothing has ever happened yet! I’m basically lucky! Life’s a lottery!

Anything that can go wrong, will eventually go wrong! I like to analyze operating procedures! Maybe I worry too much?

AUTO-IGNITION OF HYDROCARBONS

Gasoline has a low auto-ignition temperature! It’s really dangerous to get a hot sample of light naphtha! Heavy products are safer to sample! Even if they’re really hot!

Auto-ignition of hydrocarbons

Safety first! But diesel has a lower auto-ignition temperature than gasoline! It’s more dangerous to sample diesel at a high temperature than naphtha!

What, Sally? Everyone knows that gasoline catches fire more easily than heavier hydrocarbons – like diesel!

Sorry, Big Dan! You’re getting confused between flash point and auto-ignition! Flash means the temperature at ...

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