Nitrogen Removal from an Aerobically Digested Domestic Wastewater using Anoxic/Oxic (A/O) Reactor Packed with Non-woven Filter Materials
This study examined the removal of nitrogen from domestic wastewater through the application of anoxic/oxic (A/O) bio-reactor system. Influent and effluent samples were collected from the system and tested. Chemical oxygen demand (COD), NH4 +-N and NO3 - -N were analyzed. Different hydraulic retenti...
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| Veröffentlicht in: | Oriental journal of chemistry 2013, Vol.29 (1), p.23-32 |
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| container_title | Oriental journal of chemistry |
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| creator | Celestino LADU, John Leju WEI, Ting Ting LU, Xiwu ZHANG, Meiling |
| description | This study examined the removal of nitrogen from domestic wastewater through the application of anoxic/oxic (A/O) bio-reactor system. Influent and effluent samples were collected from the system and tested. Chemical oxygen demand (COD), NH4 +-N and NO3 - -N were analyzed. Different hydraulic retention time (HRT) and recycle ratios were applied to assess its influence on removal efficiency of the reactor. The temperature was controlled between 20 to 24o C and pH was 7.7 – 8.2. The result revealed average COD removal efficiencies of 72.1%, average removal of NH4 +-N and NO3 - -N was 92% and 54% respectively. The result obtained reflects that, the A/O reactor is suitable and efficient in nitrogen removal. |
| doi_str_mv | 10.13005/ojc/290104 |
| format | Article |
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Influent and effluent samples were collected from the system and tested. Chemical oxygen demand (COD), NH4 +-N and NO3 - -N were analyzed. Different hydraulic retention time (HRT) and recycle ratios were applied to assess its influence on removal efficiency of the reactor. The temperature was controlled between 20 to 24o C and pH was 7.7 – 8.2. The result revealed average COD removal efficiencies of 72.1%, average removal of NH4 +-N and NO3 - -N was 92% and 54% respectively. 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| ispartof | Oriental journal of chemistry, 2013, Vol.29 (1), p.23-32 |
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| subjects | Biofilms Chemical oxygen demand Effluents Hydraulic retention time Nitrogen Nitrogen removal Organic chemistry Recycling Urban areas Wastewater treatment Water treatment |
| title | Nitrogen Removal from an Aerobically Digested Domestic Wastewater using Anoxic/Oxic (A/O) Reactor Packed with Non-woven Filter Materials |
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