Abstract
Abstract Common yeast cell filtration systems are based on diatomaceous earth. An alternative yeast cell filtration system has been tested using high flux microsieves made with silicon micromachining. The microsieves have been tested in a cross-flow filtration system with back-pulse techniques. The flux observed during the filtration of beer after maturation was at least 12,000 Vm%ar/hour without significant fiux decline. For cost saving high volume filtration a number of microsieves can be stacked to a compact micro filtration system. The developed system is chemical inert to most cleaning agents and therefore suitable for in-line cleaning.
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