The 257th ACS National meeting was held in Orlando, Florida, from March 31 to April 4. This year more than 14,000 of chemical professionals attended. EWAT group was represented by Asst. Prof. Olivier Lefebvre and Dr. Hugo Olvera, who showed some of our latest research results with the oral presentations: “FTO-TiO2 photoelectrocatalytic degradation of triphenyltin chloride coupled to photoelectro-Fenton”, “Synthesis of a graphene-coated cathode for the electro-Fenton treatment of TMDD” and “Innovative 3D printed materials for electrochemical wastewater treatment”