**About the Editors**

**Andrea Petrella**, an assistant professor, was born in Bari in 1976. He graduated with an MSc in Chemistry at the University of Bari in July 2001, and gained his Ph.D. in Chemical Sciences in 2005 from the University of Bari. From 2007, he has been an assistant professor of Materials Science and Technology at the Polytechnic University of Bari. His research fields are summarized as follows: use of recycling organic and inorganic materials in the building trade and/or in the removal of heavy metals present in wastewater; photocatalytic materials for the degradation of bio-persistent pollutants in water and wastewater; nanocomposites for energy conversion and for novel optical devices. He has co-authored more than 50 papers published in international journals and indexed on Scopus.

**Marco Race**, an assistant professor, was born in Napoli; he graduated with an MSc in Environmental Engineering at Universita degli Studi di Napoli Federico II in May 2012, and gained ` his Ph.D. in Environmental Systems Analysis at UNINA in 2016, according to the European Label. From 2018, he has been an assistant professor at University of Cassino. His main research fields concern the treatment of waste or wastewater treatment, the remediation of soil and groundwater, novel contaminant (bio)monitoring and risk assessment approaches, and trace metals and organics in biogeochemical cycles. He is the author of more than 50 papers published in international journals, conference proceedings and books chapters. He gained the international award on soil reclamation.

**Danilo Spasiano**, Assistant Professor, was born in Naples in 1984. He graduated as MSc in Environmental Engineering at Universita degli Studi di Napoli Federico II in October 2009, and ` obtained his Ph.D. in Chemical Engineering at the same university in 2013. From 2015, Danilo Spasiano has been an assistant professor in Sanitary Engineering at Polytechnic of Bari. His main research fields concern the treatment of asbestos, containing wastes and wastewater treatment by means of advanced oxidation process. He has coauthored more than 40 papers published in international journals and indexed on Scopus.
