Issue 3/2022 33 INNOVATIVE SOLUTIONS FOR THE PRODUCTION OF BRICKS FROM WASTEWATER TREATMENT SLUDGE Gabriel POPESCU 1 , Nicoleta-Raluca JIANU 2 , Ioana-Corina MOGA 3 , Mădălina-Teodora ANDREI 4 , Aneta CHIVOIU 5 , Laurențiu CIORNEI 6 , Mirela SIMION 7 1 Romanian Academy, National Institute for Economic Research, Center for Study and Research for AgroForestry Biodiversity “Acad. David Davidescu”, 13 Calea 13 Septembrie, Bucharest, 050711, Romania, Tel: +4021.318.81.06, Email: popescug2004@yahoo.co.uk 2 Bucharest University of Economic Studies, 6 Piata Romana str., Bucharest, 010374, Romania, Tel: +40246210994, Email: raluca56@yahoo.com 3 Romanian Academy, National Institute for Economic Research, Center for Study and Research for AgroForestry Biodiversity “Acad. David Davidescu”, 13 Calea 13 Septembrie, Bucharest, 050711, Romania, Tel: +4021.318.81.06, Email: corinamoga@yahoo.com 4 Romanian Academy, National Institute for Economic Research, Center for Study and Research for AgroForestry Biodiversity “Acad. David Davidescu”, 13 Calea 13 Septembrie, Bucharest, 050711, Romania, Tel: +4021.318.81.06, Email:madalina.teodora.andrei@gmail.com 5 North Giurgiu Technological and Industrial Park, 351-352 București str., Giurgiu, 080304, Romania, Tel: +40246210994, Email: anetachivoiu@yahoo.com 6 Romanian Academy, National Institute for Economic Research, Center for Study and Research for AgroForestry Biodiversity “Acad. David 1 Gabriel POPESCU, Romanian Academy, National Institute for Economic Research, Center for Study and Research for AgroForestry Biodiversity “Acad. David Davidescu”, 13 Calea 13 Septembrie, Bucharest, 050711, Romania, Tel: +4021.318.81.06, Email: popescug2004@yahoo.co.uk