[1] Univ Politecn Valencia, EPSA, Dept Ingn Text & Papelera, E-03801 Alcoy, Spain
[2] Univ Jaume 1, Dept Quim Inorgan & Organ, E-12071 Castellon de La Plana, Spain
[3] Univ Politecn Valencia, Dept Quim, E-46071 Valencia, Spain
[4] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, E-46071 Valencia, Spain