Unification of requirements for the use of reagents for the treatment of sewage sludge from urban sewage treatment plantsGeorgiy Sambursky, Victoria Shkaredo, Alexander Epstein, Angelina Maximova and Margarita EpifanovaE3S Web Conf., 486 (2024) 04008DOI: https://doi.org/10.1051/e3sconf/202448604008