A STUDY ON SWINE WASTEWATER TREATMENT AFTER BIOGAS DIGESTION USING ACTINASTRUM SP.
Main Article Content
Abstract
Currently, algae have been focused on research to apply in different fields. With the desire to contribute to the application of microbiological technology to reduce pollution in organically polluted wastewater per the situation of Vietnam, this study is conducted to apply Actinastrum sp. to treat nitrogen and phosphorus in swine wastewater after biogas digesters. Empirical results suggest that the algae are capable of treating livestock wastewater, meeting the standards of national regulation QCVN 62-MT:2016/BTNMT with maximum COD and TN removal of 84.62% and 81.88%, respectively, when supplemented with an algal density of 2.5x10^6 cells/mL.
Keywords
swine wastewater, post-biogas digestion, Actinastrum sp.
Article Details
References
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Gupta, S. K., & Bux, F. (2019). Application of Microalgae in Wastewater Treatment – Volume 2: Biorefinery Approaches of Wastewater Treatment. Springer International Publishing, 94-95.
Le, H. V., & Nguyen, V. C. N. (2015). Solid waste and organic waste treatment, Can Tho University Publishing House [in Vietnamese].
Nguyen, H. C. (2010). Study on treating pig rearing wastewater after Biogas by trickle biological filtration method, Proceedings of Science Conference 35 years - VietNam Academy Of Science And Technology 10/2010, Hanoi [in Vietnamese].
Nguyen T. T. H. (2016). A research technology of underground filtration yards to plant trees to treat livestock waste water after biogas in Thanh Chuong. Nghe An Journal of Science and Technolofy, (7) [in Vietnamese].
Pham H. L. et al. (2012). Evaluate the effectiveness of wastewater treatment for pig production by household-scale biogas digesters in Thua Thien Hue. Hue University Jounrnal of Science, (4) [in Vietnamese].
VEA (Vietnam Environment Administration) (2011). Water quality − Sampling − Part 1: Guidance on the design of sampling programmes, Hanoi [in Vietnamese].
Vu T. N. et al. (2015). Study on the combination of using water hyacinth and reed to treat COD, nitrogen and phosphorus in pig wastewater after Biogas digestion, Proceedings of the 6th National Scientific Conference on Ecology and Biological Resources [in Vietnamese].