Sainmhíniú industrial facility where a combination of mechanical, physical, chemical and biological processes is used to remove pollutants from the incoming wastewater Tagairt "COM-EN, based on: Rainier Hreiz, M. A. Latifi, Nicolas Roche. 'Optimal design and operation of activated sludge processes: State-of-the-art.' (7.5.2019) Chemical Engineering Journal Volume 281, 1 December 2015, Pages 900-920"