A new method to measure fine particle circulation rates in draft tube conical spouted beds Authors: I. Estiati, H. Altzibar, M. Tellabide, M. Olazar Year: 2017 Publication medium: Powder Technology Volume: 316 Initial page - Ending page: 87 - 91 More information http://ac.els-cdn.com/S0032591017300517/1-s2.0-S0032591017300517-main.pdf?_tid=164dd6c4-9226-11e7-ab79-00000aacb362&acdnat=1504607975_d0165e07533318ecc879915fbba72aa7