Removal of COD and nitrogen from animal food plant wastewater in an intermittently-aerated structured-bed reactor - Wosiack, Priscila Arcoverde; Lopes, Deize Dias; Damianovic, Márcia Helena Rissato Zamariolli; Foresti, Eugenio; Granato, Daniel; Barana, Ana Claudia (Journal of Environmental Management, 2015)