As fall approaches, many people begin to turn their attention to cool nights, changing leaves, and bonfires, but others start thinking about Oktoberfest, and as Oktoberfest Celebrations begin, People often associate Oktoberfest with beer and many people wonder, why is beer so popular in Germany? Bee

Indirect cooling method: the refrigerant is a mixture of ethanol or glycol and water, it is cooled in the evaporator box of the ammonia refrigerator, the temperature is generally controlled at around -5°C, the refrigerant flows in from below and out from above.Direct cooling method: The refrigerant

How can craft beer avoid oxidation?Friends who like wine tasting know that the oxidation reaction of beer has an adverse effect on beer. After the beer is over-oxidized, the aroma becomes lighter, the color deepens, and it is bitter and cardboard-like when drinking. The process of craft beer brewing