Remoção de nitrogenio do esgoto sanitario pelo processo de lodo ativado por batelada
AUTOR(ES)
Rita de Cassia Ogera
DATA DE PUBLICAÇÃO
1995
RESUMO
The excess of nutrients found in domestic or industrial wastewaters, like nitrogen and phosphorus, may lead to a process of eutrofication and originate adverse effects to the environment and to the human health. For this reason it is very important to consider an advanced treatment of those wastewaters when dealing with water resources, including their reuse when water availability is poor.The objective of this work was to remove nitrogen ttom domestic wastewaters in a bench-scale activated sluge sequencing batch reactor, through biological nitrification and denitrification processes. Ali fill periods were performed with mechanical mixing and without aeration. Nitrification above 50% was achieved, and total nitrogen removal was near 38%. Results of nitrogen were obtained in a flow injection analysis (FIA) system. Mean cell residence time appeared to be more important to nitrification than the suspended solids concentration in the reactor
ASSUNTO(S)
aguas residuais - purificação - processo de lodo ativado nitrificação bacterias nitrificantes
ACESSO AO ARTIGO
http://libdigi.unicamp.br/document/?code=vtls000093083Documentos Relacionados
- Tratamento do efluente liquido da industria citrica pelo processo do lodo ativado por batelada (Lab) com aplicação de oxigenio puro
- Estudo do tratamento de agua residuaria avicola por processo de lodo ativado usando reator batelada sequencial
- Redução da toxicidade aguda de lixiviado de aterro sanitário em co-tratamento com esgoto doméstico pelo processo integrado de lodo ativado com biofilme em leito móvel
- Análise comparativa entre o processo de lodo ativado e o reator de biofilme de leite móvel na remoção de nitrogênio de esgoto sanitário.
- Eficiência do reator seqüencial em batelada (RSB) na remoção de nitrogênio no tratamento de esgoto doméstico com DQO baixa