Leachate tank explosion - GIF

[awright]

What is leachate and why does it explode?

[Fluffle-Valve]

What is leachate and why does it explode?

I asked myself the same question and then looked it up on Google. "Google is your friend".

"Leachate" is a new word for me. Had to look it up.

[NortonDommi]

What is leachate and why does it explode?

Leachate in this instance is the liquid from anaerobically decomposed, some of the nastiest, stinking , vomit inducing black goop you will ever encounter. Usually associated with Methane gas. If you ever smell this stuff burn you will wish you hadn't.
In landfills there should be vent tubes deep down right to the base that bleed off the Methane gas as it develops. Usually flared off but some landfills use the gas to burn for heat, supplement incineration and/or power gensets for electricity.

[NeiljohnUK]

Methane, and Hydrogen Sulphide, which is toxic and explosive, one of the 'interesting' gases I work with...