Device for Treating Wastewater Comprising Nitrogen and Phosphorus and a Method for the Same
a technology of wastewater and nitrogen, applied in the direction of membranes, filtration separation, separation processes, etc., can solve the problems of difficult control of treatment efficiency, low treatment efficiency of nitrogen and phosphorus, and inability to provide stable treatment of wastewater, so as to improve the removal efficiency of pollutants nitrogen, save the cost of microalgae culture medium preparation, and improve the effect of nitrogen removal efficiency
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[0058]The examples (and experiments) will now be described. The following examples (and experiments) are for illustrative purposes only and not intended to limit the scope of this disclosure.
[Example] Growth of Algae Using Device for Culturing Microalgae and Change in Water Quality
[0059]Experiment was carried out as follows in order to confirm the effect of culturing microalgae at high concentrations and improving water quality of the device for treating nitrogen and phosphorus from wastewater shown in FIG. 1. Ankistrodesmus gracilis [SAG278-2: KCTC AG20745; acquired from Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB)] and actual wastewater were used. Culturing was carried out under the condition: illumination intensity=580-600 Lx, temperature=25±5° C., air supply rate=10 L / min, HRT=12 hours, and SRT=25 days.
[0060]FIGS. 5 and 6 show changes of concentration of suspended solids (SS) and chlorophyll-a in the algal culture tank, and FIGS. 7...
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