Spatial variation of physicochemical parameters in a constructed wetland for wastewater treatment: An example of the use of the R programming language
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1 juin 2021
- handle: 10670/1.unvi20
Ce document est lié à :
10.22458/urj.v13i1.3294
info:eu-repo/semantics/openAccess
Mots-clés
Pennisetum alopecuroides Artificial Wetland System of subsuperficial Flow oxidation-reduction potential dissolved oxygenSujets proches
Wastewaters Domestic sewage Waste waters Domestic wastewater Industrial wastewater Waste water Wastewater Domestic effluent Effluent (Sewage) Industrial effluent Sewage effluentCiter ce document
Junior Pastor Pérez-Molina et al., « Spatial variation of physicochemical parameters in a constructed wetland for wastewater treatment: An example of the use of the R programming language », Cuadernos de Investigación UNED, ID : 10670/1.unvi20
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. Introduction: The implementation of wastewater treatment systems such as constructed wetlands has a growing interest in the last decade due to its low cost and high effectiveness in treating industrial and residential wastewater. Objective: To evaluate the spatial variation of physicochemical parameters in a constructed wetland system of sub-superficial flow of Pennisetum alopecuroides (Pennisetum) and a Control (unplanted). The purpose is to provide an analysis of spatial dynamic of physicochemical parameters using R programming language. Methods: Each of the cells (Pennisetum and Control) had 12 piezometers, organized in three columns and four rows with a separation distance of 3,25m and 4,35m, respectively. The turbidity, biochemical oxygen demand (BOD), chemical oxygen demand (COD), total Kjeldahl nitrogen (TKN), ammoniacal nitrogen (N-NH4), organic nitrogen (N-org.) and phosphorous (P-PO4-3) were measured in water under in-flow and out-flow of both conditions Control and Pennisetum (n= 8). Additionally, the oxidation-reduction potential (ORP), dissolved oxygen (DO), conductivity, pH and water temperature, were measured (n= 167) in the piezometers. Results: No statistically significant differences between cells for TKN, N-NH4, conductivity, turbidity, BOD, and COD were found; but both Control and Pennisetum cells showed a significant reduction in these parameters (P