o Two computational investigations of ion adsorption addressed the adsorption of metal cations like Pb 2+ (CMS2021) and of inorganic anions like AsO4 3- (JML2022). A representative quote from the conclusions of JML2022 reads: "According to the molecular simulation results, the CLO zeolite has proved to be the best zeolite for adsorption of anions (PO4 3-, NO3 -, CrO4 2-, AsO4 3-)."