1 Special Issue Article Formation of microcapsules by complex coacervation † Delphine Ach a , Stéphanie Briançon a , Guy Broze b , François Puel a , Alain Rivoire a , Jean-Marc Galvan c , Yves Chevalier a* a Université Lyon 1, Laboratoire d'Automatique et de Génie des Procédés, UMR 5007 CNRS, 43 bd du 11 Novembre, 69622 Villeurbanne, France b Prayon, rue J. Wauters 144, 4480 Engis, Belgium c Université Lyon 1, INL UMR5270, CPE-Lyon, 43 bd du 11 Novembre 1918, 69622 Villeurbanne, France * Author to whom correspondence should be addressed. E‐mail address: chevalier@lagep.univ-lyon1.fr † This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: [10.1002/cjce.22086] Received 18 March 2014; Revised 30 April 2014; Accepted 5 May 2014 The Canadian Journal of Chemical Engineering © 2014 Canadian Society for Chemical Engineering DOI 10.1002/cjce.22086