Low temperature membrane filtrating is the key step the filtration membrane was often blocked during daft beer production on account of raw materials, technique and staff, etc, resulting in increase of cost.

• 纯生啤酒在生产过程中低温膜过滤是关键环节,由于原料、艺、员等的因素,常常会导致过滤膜发生堵塞,增加生产成本。