Utilization of sulphidic mine tailings in alkali-activated materials Jenni Kiventerä, Juho Yliniemi, Lukasz Golek, Jan Deja, Victor Ferreira and Mirja Illikainen MATEC Web Conf., 274 (2019) 01001 Published online: 22 February 2019 DOI: 10.1051/matecconf/201927401001