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Ceramic Based Membranes for Gas, Liquid and Crystallisation Processing
Joe da Costa
FIM2Lab – Functional and Interfacial Materials and Membrane Laboratory
School of Chemical Engineering, The University of Queensland, Brisbane Qld 4072, Australia
Joe da Costa is an Emeritus Professor at the School of Chemical Engineering, the University of Queensland, Australia. He was an Australian Research Council (ARC) Future Fellow. He founded and was the Director of the FIM2Lab – Functional Interfacial Materials and Membranes Laboratory. Joe has over 30 years working experience in industrial, consultancy and academic roles in Brazil, England and Australia. His research work covered inorganic membranes for the separation of H2, CO2, O2, ethanol, desalination and percrystallisation, membrane reactors in addition to catalysts for wastewater processing, and adsorbents for CO2 capture. Upon his retirement, Joe was a member of the Institute of Engineers Australia in the colleges of Chemical Engineering and Mechanical Engineering. Joe has over 320 international publications. His work has been cited over 11500 times, and his h-index is 57 (google scholar citations). Currently Joe is an Invited Professor at the Faculty of Science and Technology at the University Nova de Lisboa in Portugal.
Integrating ceramic based membranes into industrial separation processes has many advantages including high temperature operation, thus reducing the need to cool down gases and improving overall process efficiency. In the gas separation field, ceramic membranes can process gas streams containing hydrogen or oxygen, which are two major world commodities for petrochemical and energy applications. Hydrogen can be separated by metal oxide silica derived membranes, a molecular diffusion-controlled process. Oxygen can be separated by dense perovskite membranes, where the diffusion of oxygen ions increases by doping the ceramic crystal cubic structure. Ceramic-carbon based membranes are now closing the performance gap in desalination applications, whilst vacuum can be used to tailor the pore size of carbon embedded into the ceramic pores. In addition, novel percrystallisation membranes can be prepared by using bio-inspired carbon precursors coated on porous alumina substrates to process mineral salts, food and pharmaceutical compounds. This work presents the latest development in ceramic based membranes including a discussion on future challenges.