Aquaculture Wastewater Treatment by Constructed Wetlands Planted with Anthurium Plants (Anthurium andraeanum)
Main Article Content
Abstract
Aquaculture wastewater often has high content of organic matter and nutrients (nitrogen, phosphorus). Along with the rapid development of the aquaculture industry is the problem of water pollution, eutrophication... because of untreated wastewater. Among current wastewater treatment methods, constructed wetland technology is an environmentally friendly wastewater treatment solution, providing high treatment efficiency and low cost. In this study, constructed wetland systems planted with anthurium plants (Anthurium andraeanum) at laboratory-scale were established to treat shrimp farming wastewater in Quang Ninh. The results showed that after 15 experimental days, the wetland system planted with anthurium plants on gravel and coconut fiber materials had organic matter (COD) removal efficiency, ammonium (NH4+-N) and phosphate (PO43--P) removal efficiency of 87.5%, 76% and 44.1%, respectively. The wetland system planted with anthurium plants on gravel had organic matter (COD) removal efficiency, NH4+-N and PO43--P removal efficiency of 75.7%, 46.7%, and 40.6%, respectively. Meanwhile, the COD removal efficiency, NH4+-N and PO43--P removal efficiencies in the control system were only 15.8%, 12.6% and 19.4%, respectively. The research results show the ability of constructed wetland systems planted with anthurium plants to treat aquaculture wastewater.
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