Nitrification inhibition in landfill leachate treatment and impact of activated carbon addition |
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Authors: | Özgür Aktas Ferhan Çeçen |
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Institution: | (1) Institute of Environmental Sciences, Boaziçi University, 80815, Bebek, Istanbul, Turkey |
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Abstract: | Leachate from a municipal landfill was combined with domestic wastewater and treated in batch, semi-continuously fed-batch (SCFB) and continuous-flow (CF) activated sludge systems with and without powdered activated carbon (PAC) addition. In the absence of PAC, nitrification was severely inhibited and nitrite accumulated to about 85–100% of the total NOx-N. Addition of PAC to activated sludge reactors enhanced nitrification. In continuous-flow operation, nitrite accumulation could be completely prevented by PAC addition. |
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Keywords: | activated carbon inhibition leachate nitrification nitrite build-up |
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