01737naa a2200241 a 450000100080000000500110000800800410001910000240006024502260008426000090031052009060031965000150122565000140124065300220125465300190127665300310129565300210132670000240134770000180137170000220138970000230141177300610143420949162023-01-24       2018    bl uuuu     u00u1 u    #d1 aMENDONÇA, H. V. de  aMicroalgae-mediated bioremediation and valorization of cattle wastewater previously digested in a hybrid anaerobic reactor using a photobioreactorbComparison between batch and continuous operation.h[electronic resource]  c2018  aAbstract Scenedesmus obliquus (ACOI 204/07) microalgae were cultivated in cattle wastewater in vertical alveolar flat panel photobioreactors, operated in batch and continuous mode, after previous digestion in a hybrid anaerobic reactor. In batch operation, removal efficiencies ranges of 65 to 70% of COD, 98 to 99% of NH4+ and 69 to 77.5% of PO4-3 after 12days were recorded. The corresponding figures for continuous flow were from 57 to 61% of COD, 94 to 96% of NH4+ and 65 to 70% of PO4-3 with mean hidraulic retention time of 12days. Higher rates of CO2 fixation (327-547mgL-1d-1) and higher biomass volumetric productivity (213-358mgL-1d-1) were obtained in batch mode. This microalgae-mediated process can be considered promising for bioremediation and valorization of effluents produced by cattle breeding yielding a protein-rich microalgal biomass that could be eventually used as cattle feed.  aMicroalgae  aMicroalga  aCattle wastewater  aCO(2) fixation  aFlat panel photobioreactor  aNutrient removal1 aOMETTO, J. P. H. B.1 aOTENIO, M. H.1 aMARQUES, I. P. R.1 aREIS, A. J. D. dos  tScience of The Total Environmentgv. 633, p. 1-11, 2018.