Nitrogen removal in a Sequencing Batch Biofilm Reactor: effect of carbon availability and intermittent aeration

M. Vieira; A.G. Brito; R. Nogueira

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Nitrogen removal in a Sequencing Batch Biofilm Reactor: effect of carbon availability and intermittent aeration

机译：序列分批生物膜反应器中的脱氮：碳利用率和间歇曝气的影响

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This study aimed to investigate the effects of carbon availability and intermittent aeration on nitrogen removal in a Sequencing Batch Biofilm Reactor (SBBR). The percentage of nitrogen removal in the SBBRs operating with dump fill and slow fill with optimum intermittent aeration was quite similar, 75.7% and 69.2%, respectively, indicating that intermittent aeration allowed a considerable energy saving without compromising significantly nitrogen removal. Accumulation of storage polymers by heterotrophic bacteria was only observed in the dump fill mode of operation. FISH analyses of the biofilm indicated that ammonia-oxidisers belonged to the beta-subclass Proteobacteria and nitrite-oxidisers were affiliated with the genus Nitrospira.

机译：这项研究旨在调查定序分批生物膜反应器（SBBR）中碳的有效性和间歇通气对脱氮的影响。在具有最佳间歇曝气的垃圾填埋场和慢速充填的SBBR中，脱氮百分比非常相似，分别为75.7％和69.2％，这表明间歇曝气可以节省大量能源，而不会显着影响脱氮效果。仅在转储填充操作模式中观察到异养细菌积累的聚合物。对生物膜的FISH分析表明，氨氧化酶属于β亚类的变形杆菌，亚硝酸盐氧化剂与硝化螺菌属相关。

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《World review of science, technology and sustainable development》 |2009年第4期|p.173-185|共13页
作者
M. Vieira; A.G. Brito; R. Nogueira;
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作者单位

IBB-Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal;

IBB-Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal;

IBB-Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal;

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正文语种 eng
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关键词
SBBR; sequencing batch biofilm reactor; nitrification; denitrification; intermittent aeration;

机译：SBBR;测序批生物膜反应器;硝化作用反硝化间歇通气;

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4. NUTRIENT REMOVAL FROM SLAUGHTERHOUSE WASTEWATER IN AN INTERMITTENTLY AERATED SEQUENCING BATCH BIOFILM REACTOR [C] . J.P. LI, XM.ZHAN, M.G. HEAL International Conference on Environmental Science and Technology . 2007

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7. Nitrogen removal in a Sequencing Batch Biofilm Reactor : effect of carbon availability and intermittent aeration [O] . Vieira Maria Madalena Costa, Brito A. G., Nogueira R. 2009

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8. Nitrogen Removal from Wastewater Using Sequencing Batch Reactors [R] . Alleman, J. E. 1978

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Nitrogen removal in a Sequencing Batch Biofilm Reactor: effect of carbon availability and intermittent aeration

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