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Study of a sequencing batch reactor performance in soft drink wastewater treatment

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Author(s): Gean Carlos Postingel Garcia | Rafael Brito de Moura | Lênin de Matos Silva | Francisco Javier Cuba Terán

Journal: Engenharia Ambiental : Pesquisa e Tecnologia
ISSN 1678-2178

Volume: 6;
Issue: 2;
Start page: 89;
Date: 2009;
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Keywords: Sequencing batchs | Aerobic treatment | Industrial wastewater

ABSTRACT
A sequencing batch aerobic reactor in pilot scale was constructed and operated with intermittent aeration in Wastewater Treatment Lab of Faculdade de Ciências e Tecnologia de Unesp at Presidente Prudente city. Research was conducted in order to improve reactor’s performance in organic matter and nitrogen removal by means of the application of different aeration times. In 12 and 14 hours long batch tests, with 6 and 8 hours of aeration, more than 96% of organic matter was removed by the third hour in both cases, in the other hand, nitrification showed 50 and 55% of removal at the end of every cycle. Tough showing nitrate removal, denitrification requires more research to be done in order to obtain more accurate data related with best cycle time for both pollutants removal.Key-words: sequencing batchs, aerobic treatment, industrial wastewater.A sequencing batch aerobic reactor in pilot scale was constructed and operated with intermittent aeration in Wastewater Treatment Lab of Faculdade de Ciências e Tecnologia de Unesp at Presidente Prudente city. Research was conducted in order to improve reactor’s performance in organic matter and nitrogen removal by means of the application of different aeration times. In 12 and 14 hours long batch tests, with 6 and 8 hours of aeration, more than 96% of organic matter was removed by the third hour in both cases, in the other hand, nitrification showed 50 and 55% of removal at the end of every cycle. Tough showing nitrate removal, denitrification requires more research to be done in order to obtain more accurate data related with best cycle time for both pollutants removal.Key-words: sequencing batchs, aerobic treatment, industrial wastewater.
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