What is "sparging"

vb. (present participle of sparge English)

Sparging may refer to:

• A step in lautering, a process used in brewing beer
• Sparging, a process in the processing of edible oils
• Sparging (chemistry), a process used in chemistry whereby a chemically inert gas is bubbled through a liquid

In chemistry, sparging, also known as gas flushing in metallurgy, is a technique which involves bubbling a chemically inert gas, such as nitrogen, argon, helium, through a liquid. This can be used to remove dissolved gases (e.g. oxygen) from the liquid.