Sludge Technological Ecological Progress (Acronym STEP) – increasing the quality and reuse of sewage sludge is a collaborative project funded from the Interreg South Baltic Programme.
The project involves 5 entities from 4 Member States countries (PL, DK, LT, SE). The partners represent academic/research sector (universities) and practitioners managing and operating the wastewater treatment plants (WWTPs and municipality).