Matos, M. P. de; Matos, A. T. de; Batista, A. P. da S.; Ribeiro, I. C. A.; Silva, E. F. da. TECHNICAL NOTE: SEWAGE TREATMENT IN AN ORGANIC FILTER FOLLOWED BY COAGULATION WITH MORINGA SEED EXTRACT - DOI: 10.13083/1414-3984.V22n03a07. Reveng 2014, 22, 246-253.