文档介绍：精选优质文档-----倾情为你奉上
精选优质文档-----倾情为你奉上
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精选优质文档-----倾情为你奉上
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英文参考文献翻译de even after it has been emptied. In this fashion the drying-up of beer remnants is avoided, and cleaning is facilitated. Cleaning and filling under sterile conditions are easily
automated. Kegs and fittings are standardized.
Cellar Tanks. For larger distributors stationary draft beer tanks which hold 10 to 30 hL can be installed. The beer is delivered from the brewery in large tank trucks. The cellar tanks are equipped with cooling devices. They are lined with disposable polyethylene bags, which make it possible to store the beer under impeccable sanitary conditions without the need to clean the cellar tank. The excess pressure necessary to dispense the beer is created by gas which is admitted between the inner wall of the tank and the polyethylene bag.
Bottling. Bottles may be made of glass or plastics (PET, PEN). Whereas glass is diffusion proof, not only can carbon dioxide escape from plastic bottles, but also oxygen can diffuse into the beverage, and cause an undesirable oxidation taste. A metal crown with synthetic liner is widely preferred over other means of sealing the
精选优质文档-----倾情为你奉上
精选优质文档-----倾情为你奉上
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精选优质文档-----倾情为你奉上
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bottles. Returnable bottles must be cleaned to a microbiologically impeccable