Lima, A.N. de Gomes, B.M. Gomes, S.D. Carvalho, K.Q. de Christ, D. Application of response surface methodology to study the biological removal of nitrogen from effluent of cattle slaughterhouse in a sequencing batch reactor Subjects--Topical Terms: BOVINOCULTURAABATEDOUROINSTALACAO AGRICOLARESIDUONITRIFICACAODESNITRIFICACAO