Resumo

ROMERO-GUIZA, Maycoll Stiven; MATA-ALVAREZ, Joan; CHIMENOS RIVERA, Josep María  e  GARCIA, Sergi Astals. Nutrient recovery technologies for anaerobic digestion systems: An overview. Rev. ion [online]. 2016, vol.29, n.1, pp.7-26. ISSN 0120-100X.  https://doi.org/10.18273/revion.v29n1-2016001.

Anaerobic digestion is a worldwide technology to treat organic waste streams, primarily due to its capacity to produce methane as renewable energy. However, there is an increasing interest on nutrient recovery (N and P), which from both environmental and economic reasons have been identified as key feature in anaerobic digestion plants. The manuscript presents a comprehensive overview on recent advances in nutrient recovery technologies applicable for anaerobic digestion systems. The review focus on N and P recovery through the use of digestates as fertilizers, struvite precipitation and biological systems such as phycoremediation (i.e. algae cultivation) and polyphosphates accumulating organisms.

Palavras-chave : Anaerobic digestion; nutrient recovery; struvite; phycoremediation; fertilizer.

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