Mechanical activation in utilising milling byproducts: a way to improve effectivenessNataliya Lesnikova, Olga Chugunova, Valentina Lapina, Tatiana Kotova and Ekaterina PastushkovaE3S Web Conf., 296 (2021) 07012DOI: https://doi.org/10.1051/e3sconf/202129607012