Must concentration by new zeolite membrane (KonKerTM) technology Matthias Schmitt, Monika Christmann, Nobuhiko Ueno, Tomohiro Kyotani and Hiroyuki Kakiuchi BIO Web of Conferences, 7 (2016) 02009 Published online: 26 October 2016 DOI: 10.1051/bioconf/20160702009