13th International Symposium on "Scientific Bases for the Preparation of Heterogeneous Catalysts" Every four years, the Université Catholique de Louvain and the KU Leuven jointly organise a symposium devoted to the scientific bases for the preparation of heterogeneous catalysts. The meeting brings together researchers from academia and industry and offers a forum for discussions on the chemistry involved in the preparation of industrial heterogeneous catalysts. Find out more here.