In this study, the anaerobically treated swine wastewater containing nitrogen and phosphorus is used as culture medium for Chlorella vulgaris. The results of cultivation experiments indicated that Chlorella vulgaris grew well in wastewater containing biofilm and produced a biomass productivity of 1.33 g/m-2 d-1. Biofilm microalgal systems have high nutrient removal efficiency for swine wastewater treatment. The removal ratios of NH4+, PO4-3, and COD are 98.14, 93.70, and 72.16%, respectively. Therefore, it can be concluded that efficient biomass production and nutrients removal in swine wasterwater treatment could be achieved by biofilm attached cultivation of Chlorella vulgaris.
Full text article
. Wang, H., Hu, Z., Xiao, B., Cheng, Q., Li, F. (2013). Ammonium nitrogen removal in batch cultures treating digested piggery wastewater with microalgae Oedogonium sp. Water Science & Technology V. 68.2, 269 - 275.
. Tan, K. A., Morad, N., Harlina, A., Ong, S. L. (2018). Removal of COD, BOD and nutrients in swine manure wastewater using freshwater green microalgae. Malaysian Journal of Microbiology, Vol 14(2) Special Issue 2018, pp. 187 - 194.
. Gross, M. A. (2015). Development and optimization of bioflm based algal cultivation. PhD thesis, Iowa State University, USA.
. Phạm Duy Thanh (2018). Biomass and lipid productivity of scenedesmus deserticola under
heterotrophic cultivation, AGU International Journal of Sciences - 2019, Vol. 7 (4), 39 - 48.
. Blanken, W. (2016). Microalgae production in a biofilm photobioreactor. PhD thesis, Wageningen University, Netherlands.
. Khiewwijit, R., Panyaping, K., Wongpankamol, P. (2015). Nutrient Removal by Suspended and Biofilm Microalgae for Treating the Wastewater of Agro-Industrial Pig Farm. Sci & Tech 2019; 16(10): 791 - 803.
. Ayre, J. (2013). Microalgae culture to treat piggery anaerobic digestion effluent. Msc theis, Murdoch University, Australia.
. Kwon, G., Nam, J-H., Kim, D., Song, C., Jahng, D. (2020). Growth and nutrient removal of Chlorella vulgaris in ammonia-reduced raw and anaerobically-digested piggery wastewaters. Eng. Res. 2020; 25(2): 135 - 146.
. Cheng, P., Wang, Y., Liu, T., Liu, D. (2017). Biofilm Attached Cultivation of Chlorella pyrenoidosa Is a Developed System for Swine Wastewater Treatment and Lipid Production. Frontiers in Plant Science, Volume 8.
. Kesaano, M. (2015). Characterization and performance of algal biofilms for wastewater treatment and industrial applications. PhD thesis, Utah State University, USA.
. Osorio, J. H. M, Pinto, G., Pollio, A., Frunzo, L., Lens, P. N. L., Esposito, G. (2019). Start-up of a nutrient removal system using Scenedesmus vacuolatus and Chlorella vulgaris bioflms. Bioresour - Bioprocess. (2019) 6:27.
. Salama, E., Kurade, M. B., Abou - Shanab, R. A. I., El-Dalatony, M. M., Yang, I., Min, B., Jeon, B. (2017). Recent progress in microalgal biomass production coupled with wastewater treatment for biofuel generation, Renewable and Sustainable Energy Reviews 79 (2017) 1189 - 1211.
. Woolsey, P. A. (2011). Rotating Algal Bioflm Reactors: Mathematical Modeling and Lipid Production. Utah State University, USA.
. Halloum, I. (2016). Microgalgal biofilms for treatment of domestic wastewater and resource recovery. Msc Thesis, Arizona State University, USA.