Technical and economical optimization of a full-scale poultry manure treatment process: total ammonia nitrogen balance.
Environ Technol
; 37(22): 2865-78, 2016 Nov.
Article
em En
| MEDLINE
| ID: mdl-27020478
ABSTRACT
A full-scale process for the treatment of 80 tons per day of poultry manure was designed and optimized. A total ammonia nitrogen (TAN) balance was performed at steady state, considering the stoichiometry and the kinetic data from the anaerobic digestion and the anaerobic ammonia oxidation. The equipment, reactor design, investment costs, and operational costs were considered. The volume and cost objective functions optimized the process in terms of three variables the water recycle ratio, the protein conversion during AD, and the TAN conversion in the process. The processes were compared with and without water recycle; savings of 70% and 43% in the annual fresh water consumption and the heating costs, respectively, were achieved. The optimal process complies with the Chilean environmental legislation limit of 0.05â
g total nitrogen/L.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Aves Domésticas
/
Eliminação de Resíduos Líquidos
/
Esterco
Tipo de estudo:
Health_economic_evaluation
Limite:
Animals
Idioma:
En
Revista:
Environ Technol
Assunto da revista:
SAUDE AMBIENTAL
/
TOXICOLOGIA
Ano de publicação:
2016
Tipo de documento:
Article
País de afiliação:
Chile