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Chinese Journal of Biotechnology ; (12): 492-496, 2002.
Artículo en Chino | WPRIM | ID: wpr-256178

RESUMEN

The performance of internal-loop air-lift nitrifying bioreactor was good with strong tolerance to influent ammonia concentration (78.49 mmol/L), high volume converting rate (163.18 mmol/L.d) and obvious working stability (ammonia removal > 94.42%). During operation of internal-loop air-lift bioreactor, the nitrifying activated sludge was granulated. The nitrifying granular activated sludge began to appear on day 45. Its average diameter was 0.83 mm, settling velocity was 55.53 m/h and specific ammonia removal rate was 0.95 mmol (NH4(+)-N)/g (VS).d. The nitrifying granular activated sludge had the activity for anaerobic ammonia oxidation with ammonia oxidation rate of 0.23 mmol (NH4(+)-N)/g(VS).d and nitrite reduction rate of 0.24 mmol (NO2(-)-N)/g(VS).d.


Asunto(s)
Amoníaco , Metabolismo , Anaerobiosis , Reactores Biológicos , Nitritos , Metabolismo , Nitrógeno , Metabolismo , Oxidación-Reducción , Aguas del Alcantarillado
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