Brewing is the production of beer by steeping a starch source (commonly cereal grains) in water and fermenting the resulting sweet liquid with yeast. It may be done in a brewery by a commercial brewer, at home by a homebrewer, or by a variety of traditional methods such as communally by the indigenous peoples in […]
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After the whirlpool, the wort must be brought down to fermentation temperatures (20–26°Celsius) before yeast is added. In modern breweries this is achieved through a plate heat exchanger. A plate heat exchanger has many ridged plates, which form two separate paths.