Results 111 to 120 of about 295,308 (168)

Nitrogen Removal Performance and Microbial Community Structure of IMTA Ponds (Apostistius japonicus-Penaeus japonicus-Ulva). [PDF]

Microb Ecol
Chen D, Tian C, Yuan H, Zhai W, Chang Z.
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Stress Responses and Ammonia Nitrogen Removal Efficiency of Oocystis lacustris in Saline Ammonium-Contaminated Wastewater Treatment. [PDF]

Toxics
Zhu Y, Zhang Y, Chen H, Zhang L, Shen C.
europepmc   +1 more source

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Novel microbial nitrogen removal processes

Biotechnology Advances, 2004
The present-day wastewater treatment practices can be significantly improved through the introduction of new microbial treatment technologies. Recently, several new processes for nitrogen removal have been developed. These new nitrogen removal technologies provide practicable options for treating nitrogen-laden wastewaters.
Than, Khin, Ajit P, Annachhatre
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Biological Removal of Nitrogen from Wastewater

2008
This comprehensive review discusses diverse conventional and novel technologies for nitrogen removal from wastewater. Novel technologies have distinct advantages in terms of saving configuration, aeration, and carbon sources. Each novel technology possesses promising features and potential problems. For instance, SND and OLAND processes can achieve 100%
Zhu, Guibing, Peng, Yongzhen, Li, Baikun, Guo, Jianhua, Yang, Qing, Wang, Shuying   +5 more
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Modeling nitrogen removal for a denitrification biofilter

Bioprocess and Biosystems Engineering, 2011
Nitrous oxide (N2O) is a major greenhouse gas, heavily contributing to global warming. N2O is emitted from various sources such as wastewater treatment plants, during the nitrification and denitrification steps. ASM models, which are commonly used in wastewater treatment, usually consider denitrification as a one-step process (NO3- directly reduced to ...
Guillaume, Samie, Jean, Bernier, Vincent, Rocher, Paul, Lessard   +3 more
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Diversity of nitrogen-removing microorganisms

2022
This book chapter aims to address the microbial diversity associated with implementation prospects of nonconventional technologies for nitrogen removal in wastewater treatment plants. Special focus will be placed on the environmental advantages offered by these processes in contrast to conventional ones as heterotrophic denitrification and anammox.
Franchi, O., Toledo-Alarcón, J., Campos, J.L., Jeison Nuñez, D., Vaksmaa, A., Tapia-Venegas, E.   +5 more
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Human Influences on Nitrogen Removal in Lakes

Science, 2013
Unlucky Lakes The negative consequences of increased loading of nitrogen and phosphorus into aquatic ecosystems are well known. Management strategies aimed at reducing the sources of these excess nutrients, such as fertilizer runoff or sewage outflows, can largely mitigate the increases in nitrogen and phosphorus levels; however,
Jacques C, Finlay, Gaston E, Small, Robert W, Sterner   +2 more
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The roles of cyanobacterial bloom in nitrogen removal

Science of The Total Environment, 2017
Annually occurred cyanobacterial bloom aggravated eutrophication situation and changed the lacustrine ecosystem components. Recently, high concentration of bloom cyanobacteria had been found to accelerate total nitrogen (TN) removal. However, the contribution of cyanobacterial bloom to TN removal remained unclear.
Yuke, Peng, Lu, Liu, Lijuan, Jiang, Lin, Xiao   +3 more
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Nitrogen removal in artificial wetlands

Water Research, 1983
Abstract This report describes investigations which have demonstrated the exceptional utility of artificial wetlands for the removal of nitrate from secondary wastewater effluents at relatively high application rates. The artificial wetlands (14 in number) were plastic-lined excavations containing emergent vegetation growing in gravel.
R GERSBERG, B ELKINS, C GOLDMAN
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Nitrogen removal in aerated lagoons

Water Research, 1983
Abstract Rational and empirical models of ammonia nitrogen and total Kjeldahl nitrogen (TKN) removals were evaluated as a means of developing design relationships that can be used to estimate nitrogen removal in aerated wastewater lagoons. Plug flow, complete mix and dispersed flow hydraulic models were evaluated in conjunction with Monod growth ...
E.Joe Middlebrooks, Abraham Pano
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