1. International Iberian Nanotechnology Laboratory (INL); Av. Mestre José Veiga Braga 4715-330 Portugal
2. National Polytechnic School; Environmental Engineering Department, Laboratory of Sciences and Environmental Techniques; 10 Avenue Hacen Badi, BP182 El Harrach 16200 Algiers Algeria
3. Centre for Scientific and Technical Research on, Arid Regions Omar El Bernaoui-CRSTRA, University campus, Med Kheider, BP 1682 R.P; Biskra 07000 Algeria
4. GalChimia, S.L.; Cebreiro, s/n 15823 O Pino A Coruña Spain
5. Ludwig-Maximilians-University Munich (LMU); Butenandtstr. 5-11 D-81377 Munich Germany