Costantino Cau PhD student Short bio He obtained his Bachelor’s and Master’s degrees in Chemistry at the University of Sassari. He is currently pursuing a PhD focused on the recovery of waste materials from extractive or industrial processes, with the aim of reusing for green hydrogen production and CO₂ capture. The project is part of a broader effort toward environmental sustainability and circular economy. He speaks English and Spanish, and has developed skills in material characterization using XRD (Rietveld method) and XPS. Research activities Research products by Costantino Cau on IRIS UNISS Contacts Costantino Cauc.cau1@phd.uniss.it