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- W3138451799 abstract "AbstractSurface water bodies eutrification problem caused by their pollution by nutrients coming together with wastewater is considered in the article. It is proposed to use a technological scheme at municipal and other sewage treatment plants, which provides for the organization of additional wastewater treatment by using them as a medium for the cultivation of energy microalgae. The use of the absorption process of nutrients by microalgae organisms due to the metabolism of the latter is proposed. To implement the process, the use of closed photoioreactors of ideal displacement is proposed. To design such photobioreactors, nutrients removal efficiency calculating model, namely nitrogen and phosphorus compounds from wastewater during the operation of such a photobioreactor, is proposed. The exponential form of the model is used and equations system for finding the concentration of phosphates, nitrates and nitrites along the length of the working zone of the photobioreactor is derived. Nutrient absorption constants concept is used, which is determined by the activation energy of absorption of each element according to the Arrhenius formula. The proposed model allows determine the required residence time of wastewater in the working area of the reactor to achieve the required degree of nutrients removal, or their desired final concentration in treated wastewater. According to the proposed model, the efficiency of the photobioreactor design previously developed by the authors in specific conditions (for specific input nutrients concentrations in treated wastewater and the use of the microalgae strain Clorella vulgaris) was calculated. Wastewater eutrophication potential concept is used and the level of its reduction due to the use of the proposed method of their additional treatment is calculated.KeywordsTreatmentWastewaterPhosphatesNitratesNitritesMicroalgaeEutrophication potential" @default.
- W3138451799 created "2021-03-29" @default.
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- W3138451799 date "2021-01-01" @default.
- W3138451799 modified "2023-09-24" @default.
- W3138451799 title "Estimated Efficiency of Biogenic Elements Removal from Waste Water in the Ideal Displacement Photobioreactor" @default.
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- W3138451799 doi "https://doi.org/10.1007/978-3-030-69189-9_21" @default.
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