Resumo

FOLETTO, E.L. et al. Production of struvite as an alternative to reduce the content of nitrogen and phosphorus from swine wastewater. Lat. Am. appl. res. [online]. 2013, vol.43, n.1, pp. 77-80. ISSN 1851-8796.

This work is focused on the production of struvite as an alternative to reduce the concentration of phosphorus and nitrogen from swine wastewater. The effect of Mg source (MgO and MgCl₂. 6H₂O) and pH on nitrogen and phosphorus removal was investigated. From the results was seen that N and P were efficiently removed from swine wastewater. Data of X-ray diffraction (XRD) revealed that the production of struvite in the crystalline form is dependent of pH, which was obtained only in the runs carried out at pH 9.5, independent of Mg source employed. The production of struvite showed to be effective for adding value to swine wastewater.

Palavras-chave : Struvite; Wastewater; Nitrogen; Phosphorous.