Lautering Flashcards

1
Q

What is the definition of lautering?

A

To clarify or purify (German word ablautern)

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2
Q

Name three factors that influence good lautering performance?

A

Quality malts and adjuncts
Correct malt handling techniques
Correct grind assortment
Mash mixer performance
Mash pump over performance
Earth’s gravity

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3
Q

What does the filter flow rate depend on?

A

Permeability of the bed
Wort viscosity
Pressure drops across filter
Bed depth
Filter particle (grain) size

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4
Q

Describe what underletting (start of the lautering cycle) is.

A

Foundation water pumped up through the bottom to just over false bottom in order to heat lauter tun and push out air (reduce oxygen pick up)

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5
Q

What is mash off?

A

Pumping mash (grains and all) from mash mixer to lauter tun

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