Nitrogen removal from agro-industrial wastewater using bioreactors

被引：0

作者：

Teixeira, Roberta Miranda ^{[2
]}

Reginatto, Valeria ^{[1
]}

Pereira, Franciny Fontanella ^{[2
]}

Soares, Hugo Moreira ^{[2
]}

Furigo, Agenor, Jr. ^{[2
]}

机构：

[1] Univ Fed Santa Catarina, Dept Ciencia & Tecnol Alimentos, BR-88034001 Florianopolis, SC, Brazil

[2] Univ Fed Santa Catarina, Dept Engn Quim & Engn Alimentos, BR-88034001 Florianopolis, SC, Brazil

来源：

ACTA SCIENTIARUM-TECHNOLOGY | 2008年 / 30卷 / 02期

关键词：

nitrification; denitrification; nitrogen removal;

D O I：

10.4025/actascitechnol.v30i2.5495

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Nitrogen removal from agro-industrial wastewater using bioreactors. This work evaluates the process of nitrogen removal from wastewater at a meat processing plant, using nitrification and denitrification in bioreactors. The system was composed of two reactors with continuous flow operated in series: a hybrid reactor (anaerobic/anoxic) connected to an ascending flow biological filter with aeration, which recycled into the hybrid reactor. Feeding was accomplished with wastewater from the treatment station of a poultry and swine processing plant. The process was monitored by periodic analysis of the concentrations of ammonia, nitrate, nitrite, alkalinity, chemical oxygen demand (COD) and pH. The nitrogen removal efficiency of the system was compared with the maximum theoretical efficiency for the recycle rate used.

引用

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页码：209 / 213

页数：5

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