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- Title
Study of flow dynamic behavior of electrochemical reactor for treating liquid biomedical wastewater.
- Authors
Sikkandar, Mohamed Yacin; Begum, S. Sabarunisha; Sudharsan, N. M.; Prakash, N. B.
- Abstract
In this paper, the flow dynamic behavior of the filter press electrochemical reactor (FPECR) has been investigated for the treatment of liquid biomedical wastewater. The residence time distribution is utilized as a tool to investigate the flow dynamic behavior of the electrolyte within the reactor. The reactor is operated at different current densities of 2, 4, 6, 8, and 10 A/dm2 with RuO2/ Ti as an electrode by varying flow rates such as 20, 40, 60, 80, and 100 L/h. Impacts of various flow rates on flow dynamics were examined. The outcomes of this study demonstrate the presence of a dead volume and short-circuiting in the reactor were reduced for the lowest flow rate of 20 L/h in the reactor at 10 A/dm2. The potential of the FPECR was experimentally validated by analyzing the chemical oxygen demand (COD) removal efficiency, total dissolved solids, and total suspended solids emanating from the wastewater. Findings of this study reveal that maximum COD reduction of about 94% was achieved with a maximum current efficiency of 18.47% at a flow rate of 20 L/h which has good mixing and less back mixing condition inside the reactor. The experimental findings prove that the FPECR can be used for the treatment of pharmaceutical-based liquid biomedical waste and can achieve the quality of the standards prescribed for reuse of biomedical wastewater.
- Subjects
TOTAL suspended solids; SEWAGE; LIQUID waste; CHEMICAL oxygen demand; REFUSE containers
- Publication
Desalination & Water Treatment, 2020, Vol 197, p67
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2020.25971