Milk Concentration (IMAGE) Technical University of Munich (TUM) Caption Preliminary concentration: Ceramic hollow fiber membranes are used to remove proteins from milk. Credit A. Eckert / TUM Usage Restrictions Free for use for coverage on the Technische Universität München License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.