TY - RPRT TI - Simultaneous nitrification and formaldehyde biodegradation in an activated sludge unit. AU - M Eiroa AU - C Kennes AU - M C Veiga PY - 2005 DO - 10.1016/j.biortech.2005.01.041 UR - https://pubmed.ncbi.nlm.nih.gov/16084371/ ID - 16084371 ER -