Pilot plant RO-filtration of grape juice

Attila Rektor, Aron Kozak, Gyula Vatai, Erika Bekassy-Molnar

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21 Citations (Scopus)


The aims of this study were to compare the new pilot plant filtration results of grape juice with the laboratory experiments [A. Rektor, N. Pap, Z. Kokai, R. Szabo, Gy. Vatai, E. Bekassy-Molnar, Application of membrane filtration methods for must processing and preservation, Desalination 162 (2004) 271-277], beside that the selective removal of water from grape juice, to increase its sugar content. Experiments were carried out using a pilot size reverse osmosis (RO) apparatus with 0.6 m2 flat sheet membrane area. The membrane was MFT-Köln RO type, the apparatus was built by the Hidrofilt Ltd. Grape juices, originated from different wine-yards, were concentrated. The influence of transmembrane pressure and temperature on the sugar content and concentration time were measured.

Original languageEnglish
Pages (from-to)473-475
Number of pages3
JournalSeparation and Purification Technology
Issue number3
Publication statusPublished - Nov 15 2007


  • Grape juice
  • Pilot plant
  • Reverse osmosis

ASJC Scopus subject areas

  • Analytical Chemistry
  • Filtration and Separation

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