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Performance Assessment of a UASB Reactor Coupled with Polymeric Filter Media for Nutrient Removal
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Abstract
The aim of this study was to investigate the performance of the UASB reactor coupled with polymeric filter media as a post-treatment unit. The UASB reactor achieved the steady-state condition after 100 days of operation. The COD removal efficiency was 85.54 ± 6.53%, and biogas production (methane 75.5 ± 10.25 and carbon dioxide 25 ± 10.5) at the optimum temperature of 30 ± 5ºC, HRT 6.5 hr, and OLR 0.731 ± 0.163 kg COD/m³/d was observed. The effluent of the UASB reactor contains nutrients (TP and TKN), which require further treatment for their removal. The post-treatment of effluent of the UASB reactor was done at the optimized flow rate of 100 ml/hr and bed height of 20 cm for nutrient removal by polymeric filter media (chitosan-agarose cryogel). It was validated by Thomas Kinetic plot with R² > 0.85.
Springer Science and Business Media LLC
Title: Performance Assessment of a UASB Reactor Coupled with Polymeric Filter Media for Nutrient Removal
Description:
Abstract
The aim of this study was to investigate the performance of the UASB reactor coupled with polymeric filter media as a post-treatment unit.
The UASB reactor achieved the steady-state condition after 100 days of operation.
The COD removal efficiency was 85.
54 ± 6.
53%, and biogas production (methane 75.
5 ± 10.
25 and carbon dioxide 25 ± 10.
5) at the optimum temperature of 30 ± 5ºC, HRT 6.
5 hr, and OLR 0.
731 ± 0.
163 kg COD/m³/d was observed.
The effluent of the UASB reactor contains nutrients (TP and TKN), which require further treatment for their removal.
The post-treatment of effluent of the UASB reactor was done at the optimized flow rate of 100 ml/hr and bed height of 20 cm for nutrient removal by polymeric filter media (chitosan-agarose cryogel).
It was validated by Thomas Kinetic plot with R² > 0.
85.
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