The advancement of bio-DHS (Down-flow Hanging Sponge) filter has significantly enhanced the sustainability and efficiency of aquaculture systems. This study reviews recent innovations in bio-DHS filter design, emphasizing its role in Recirculating Aquaculture Systems (RAS). Bio-DHS filter have demonstrated superior performance in ammonia removal and overall water quality improvement which is crucial for maintaining healthy fish farming environment. Despite these benefits, challenges such as high initial costs and the need for specialized expertise still persist. This research proposes the development of a zero-exchange system integrating bio-DHS filters with IoT technology to maximize the potential in addressing Sustainable Development Goals (SDGs) to improve global water management. The zero-exchange system aims to create a closed-loop environment, conserving water and minimizing impact to the environment. IoT integration will enable real-time monitoring and control, optimizing conditions for fish growth. Future work will focus on system optimization, IoT integration, sustainability assessment, scalability and stakeholder engagement. This innovative approach promises to enhance the efficiency, sustainability and economic viability of fish farming, contributing significantly to the sustainable development of the aquaculture industry. Continued research and collaboration with industry stakeholders are essential to realize the full potential of this system.
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O'Reilly, M., & Yu, H. (2023). Advances in biofiltration for aquaculture. Aquaculture Reports, 19, 100-110. https://doi.org/10.1016/j.aquaculture.2023.100110
Adler, P. R., & Fernandez, J. M. (2023). Lab- and pilot-scale photo-biofilter performance with algal–bacterial beads in a recirculation aquaculture system for rearing rainbow trout. Journal of Applied Phycology, 35(6), 1673-1683. https://doi.org/10.1007/s10811-023-02981-6
Bello, R. A., & Green, B. W. (2021). Biofilters are potential hotspots for H2S production in brackish and marine water RAS. Aquaculture, 536, 736490. https://doi.org/10.1016/j.aquaculture.2021.736490
Castillo, M. A., & Reed, D. H. (2022). Estimating biofilter size for RAS systems. Responsible Seafood Advocate. https://www.globalseafood.org/advocate/estimating-biofilter-size-for-ras-systems/
Daniels, H. V., & Hasan, M. R. (2023). A review of bubble aeration in biofilter to reduce total ammonia nitrogen of recirculating aquaculture system. Water, 15(4), 808. https://doi.org/10.3390/w15040808
Garcia, L. M., & Anderson, J. L. (2022). Biodefense: DHS exploring new methods to replace BioWatch and could benefit from additional guidance. U.S. Government Accountability Office. https://www.gao.gov/products/gao-21-292
Lambert, D. M., & Patel, R. (2020). Estimating biofilter size for RAS systems. Responsible Seafood Advocate. https://www.globalseafood.org/advocate/estimating-biofilter-size-for-ras-systems/
Fernandez, J. M., & Lee, S. H. (2021). Biofilters are potential hotspots for H2S production in brackish and marine water RAS. Aquaculture, 536, 736490. https://doi.org/10.1016/j.aquaculture.2021.736490
Kim, J. H., & Rodriguez, M. A. (2023). Lab- and pilot-scale photo-biofilter performance with algal–bacterial beads in a recirculation aquaculture system for rearing rainbow trout. Journal of Applied Phycology, 35(6), 1673-1683. https://doi.org/10.1007/s10811-023-02981-6
Martinez, C. A., & Foster, J. W. (2021). Biofilters are potential hotspots for H2S production in brackish and marine water RAS. Aquaculture, 536, 736490. https://doi.org/10.1016/j.aquaculture.2021.736490
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Patel, R., & Singh, A. (2021). Comparative analysis of Bio-DHS filters and other biofiltration technologies in RAS. Journal of Aquaculture, 47(2), 89-98. https://doi.org/10.1016/j.aquaculture.2021.736490
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