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Membrane Beer Filtration—An Alternative Way of Beer Filtration

MBAA TQ vol. 40, no. 3, 2003, pp. 189-192  |  VIEW ARTICLE

Rik Schuurman, Lute Broens, and André Mepschen. NORIT Process Technology B.V., P.O. Box 741, 7500 AS Enschede, The Netherlands. Based on a paper presented at the Master Brewers Association of the Americas Convention in Austin, TX, October 2002.

Abstract
NORIT Process Technology and Heineken Technical Services, in a joint research project, have succeeded in progressing cross-flow microfiltration to the point in which it is becoming a technical and economic alternative to kieselguhr (diatomaceous earth) filtration in breweries. The team has solved the persistent problems of high membrane-fouling rates, short run times, and inadequate cleaning procedures. The key to this progression has been the development of a new cleaning strategy as well as the excellent properties of the cross-flow membranes themselves, which are discussed in this paper.
Keywords: beer filtration, cross-flow filtration, diatomaceous earth, kieselguhr, membrane filtration

 

Síntesis
En un proyecto conjunto de NORIT Process Technology y Heineken Technical Services, se ha logrado mejorar la microfiltración en flujo transversal (“cross-flow”) a tal punto que se está convirtiendo en una alternativa técnica y económica a la filtración de cerveza con tierra diatomácea. Estos equipos han resuelto los problemas más persistentes: alta frecuencia de “embarramiento” de las membranas, corridas cortas y procedimientos de limpieza inadecuados. Este avance se debe a las excelentes propiedades de las nuevas membranas de flujo transversal y al desarrollo de una nueva estrategia de limpieza.
Palabras claves: filtración de cerveza, filtración de flujo transversal, tierra diatomácea, kieselguhr, filtración por membranas

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