ISSN 2285-1364, ISSN CD-ROM 2285-5521, ISSN ONLINE 2285-1372, ISSN-L 2285-1364
 

SHORT TERM EXPERIMENTS ON SYNTHETIC WASTE WATER TREATMENT IN LABORATORY ACTIVATED SLUDGE SEQUENCING BATCH REACTOR

Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XX
Written by Mirela C. IORDAN, Ioan I. ARDELEAN

This paper presents the short term (5 hours) evolution of ammonium, nitrite, nitrate, total phosphorus and COD of a synthetic wastewater treated in a laboratory activated sludge sequencing batch reactor. In the experiment with 4.33 g/L activated sludge and the initial raport COD:N:P of 154:5.3:1 in about 4 hours 31% of COD and 83% of ammonium were removed, whereas nitrate shows an increase of 89%. In the experiment with 4.71 g/L activated sludge and the initial raport COD:N:P of 195:3.22:1 in about 4.5 hours 26% of COD and 92% of ammonium were removed, whereas nitrate shows an increase of 85%. In the experiment with 4.34 g/L activated sludge and the initial raport COD:N:P of 103:4.45:1 in about 4.5 hours 30% of COD and 48% of ammonium were removed, whereas nitrate shows an increase of 65%.

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