, 2019 The accumulation of nitrogen (-N) is a serious problem in aquaculture as it could lead to mass mortality events of the cultivated species. Chemilitotrophic nitrification is the most recognized in nitrogen removal underestimating the role of heterotrophic
Jenny Maribel Risco Cunayque +7 more
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Nitrification rate effect on cumulative nitrous oxide emission from soil
, 2017 Knowledge of the relationship between rate of nitrification and nitrous oxide (N2O) emission, and between cumulative nitrification and N2O emission is important for developing N2O emission mitigation strategies.
Runzika, Mick
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Partida, operação e otimização de um sistema de nitrificação/desnitrificação visando a remoção de nitrogênio de efluente da suinocultura pelo processo Ludzack-Ettinger modificado [PDF]
, 2012 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-graduação em Química, Florianópolis, 2010A produção de suínos tem grande papel sócio-econômico para região oeste do estado de Santa Catarina bem como ...
Bortoli, Marcelo
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Controle operacional de reator em bateladas sequênciais (RBS): ajustes na concentração de oxigênio dissolvido visando a remoção de nutrientes [PDF]
, 2008 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2008.Na última década, o sistema de tratamento de esgotos domésticos por lodos ativados perdeu espaço ...
Thans, Felipe Castellani
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The Scientific World Journal, 2001 Application of fertilizers combined with nitrification inhibitors affects soil microbial biomass and activity. The objective of this research was to determine the effects of fertilizer application combined with the nitrification inhibitor potassium ...
Dilfuza Egamberdiyeva +2 more
doaj +1 more source
Novel studies of the dynamics of mineral N species transformations and their mobilities relevant to assessing risks to drainage water. [PDF]
, 2010 The biogeochemical cycling of nitrogen has been studied in detail at a predominantly acid grassland nature reserve, Hob Moor, just outside the city of York in the UK.
MIAN, ISHAQ AHMAD
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High-Rate Nitrification in a Biological Fluidized Bed
Water Science and Technology, 1990 The use of a Biological Fluidized Bed (BFB) was evaluated in a large demonstration plant for nitrification of a secondary effluent at Horley STW (South of London). The BFB was operated over a range of flows from 250→600 m3/d using effluents containing 25mg NH3-N/ℓ, 18mg BOD/ℓ to define the optimum operating conditions. It was possible to reduce from 27
S. C. Williams, P. F. Cooper
openaire +1 more source
Nitrogen removal from industrial wastewater by hybrid constructed wetland systems
, 2007 The efficiency in nitrogen removal from wastewater generated at CSBP Ltd fertiliser and chemical manufacturer by two hybrid constructed wetland mesocosms was compared.
Dallas, S. +3 more
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Assessment of Nitrification Rate and Factors Controlling Nitrification Rate in Coastal Aquaculture Water of Fujian [PDF]
, 2009 微生物作用下发生的硝化作用是氮的生物地球化学循环的关键过程，在水体富营养化治理、温室气体排放中起着重要的作用，也是近岸养殖系统NH4+-N污染治理的一种有效方法。很大程度上，由于对影响其变化的因素缺乏理解，很难对养殖系统硝化作用做出准确估计。本研究将有助于弥补在这个关键环境过程理解上的不足。 本文采用改进的15N-NH4+氧化法，结合14C-NaHCO3示踪-抑制剂法和MPN计数法，对福建近岸养殖水体的硝化作用进行深入研究。结果表明，硝化作用主要受温度、盐度、pH、DO、悬浮颗粒物等环境参数控制 ...
郑盛华
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BIOLOGICAL AERATED FILTERS (BAFs) FOR CARBON AND NITROGEN REMOVAL: A REVIEW [PDF]
Journal of Engineering Science and Technology, 2012 Biological aerated filters (BAFs) are an emerging wastewater treatment technology designed for a wide range of municipal and industrial applications. This review paper presents and discusses of the influence C/N ratio, nitrification and denitrification ...
ELSHAFIE AHMED +3 more
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