noun
wort filtration; lautering; sparging
Technical term in brewing: the process of separating the liquid wort from the grain husks after mashing. ろ過 is the common simplified spelling; 濾過 is more formal.
ビール醸造では、麦汁ろ過の工程が重要です。
In beer brewing, the wort filtration step is important.
麦汁ろ過槽を使って、麦芽かすを取り除きます。
Using a lauter tun, the spent grains are removed.
Standard spelling using ろ過 (common simplification of 濾過).
Formal or technical spelling with the full kanji 濾.
Compound of 麦汁 (wort) and ろ過 (filtration). The kanji 濾 is often replaced by the simpler ろ in modern usage.