Industrial symbiosis marketplace concept for waste valorization pathways Chrysanthi Akrivou, Lucyna Łękawska-Andrinopoulou, Charalampos Manousiadis, Georgios Tsimiklis, Vasiliki Oikonomopoulou, Sofia Papadaki, Magdalini Krokida and Angelos Amditis E3S Web Conf., 349 (2022) 11005 Published online: 20 May 2022 DOI: 10.1051/e3sconf/202234911005