POLLUTEC 2023 Lyon, France, October 10-13, 2023 Hall 5 / A045 IFAT 2024 Munich, May 13-17, 2024 ACHEMA 2024 Frankfurt, June 10-14, 2024 Hall 9.0 / E11 FILTECH 2024 Cologne, November 12-14, 2024 Hall 8 / A16