1. Investigation of biopipe system performance using numerical model.
- Author
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Jasem, Hayder Mohammed and Khudair, Kifah Mohammed
- Subjects
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SEWAGE , *PIPE flow , *MULTIPHASE flow , *WASTEWATER treatment , *SEDIMENTATION & deposition - Abstract
Biopipe system is the first biological wastewater treatment system in which removal processes of carbonaceous and nitrogenous compounds are supposed to take place entirely inside a pipe. In this study a Biopipe system model, a labeled as BPSM, for investigating Biopipe system performance (in terms of soluble substrate removal) and in treating municipal wastewater has been developed. BPSM is based on solving the one-dimensional advection- dispersion equation for multiphase pipe flow (air-wastewater) under pressure in a pipeline including the representation of all biological processes affecting the concentrations of carbonaceous and nitrogenous compounds by Activated Sludge Model Number3(ASM3). The model was applied on Biopipe system with the inclusive of recirculation with and without the use of final sedimentation unit. The most important findings of BPSM application revealed that the existence of a final sedimentation unit after the Biopipe system is crucial for the effective removal of biodegradable organics. Where, the removal efficiency of readily biodegradable substrate varied on the ranges (43.3-99) and (14.8-21.3) % when final sedimentation unit is used and unused, respectively. In addition, it was found that the removal efficiency of biodegradable organics can be enhanced in case of final sedimentation absent if very long Biopipe system is used. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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