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Bowei Zhang, Changsheng Zhao, Ting Liu and Xiaokai Wang
As the problem of eutrophication of water bodies and nitrate pollution of surface and groundwater is becoming more and more prominent, deep denitrification of wastewater can effectively reduce the amount of nitrate nitrogen (NO3--N) discharged into natur...
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Kit-Ling Lam, Yu-Hin Lam, Angie Ying-Sim Ng, Ken Kwok-Yin So, Nora Fung-Yee Tam, Fred Wang-Fat Lee and Wing-Yin Mo
Mangrove wetlands are vulnerable coastal ecosystems that provide critical habitats for aquatic life. Tai O is a popular tourist village on Lantau Island, Hong Kong, which is surrounded by mangrove wetlands with rich biodiversity; and this village is also...
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George F. Antonious, Eric T. Turley, Buddhi R. Gyawali and Angel C. Freeman
Many investigators have focused on the impact of fertilizers on crop yield and ignored fertilizers impact on the plants composition. The impact of seven types of soil treatments (sewage sludge, horse manure, chicken manure, vermicompost, elemental organi...
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Riccardo Bacci di Capaci, Andrea Luca Tasca, Riccardo Gori, Sandra Vitolo, Monica Puccini and Gabriele Pannocchia
Sewage sludge management at wastewater treatment plants is becoming a more and more challenging task. Here, an innovative integrated modeling approach is developed to investigate the optimization of a municipal wastewater treatment plant (MWWTP) by the i...
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Bárbara Santos Soares, Alisson Carraro Borges, Antonio Teixeira de Matos, Rubens Barrichello Gomes Barbosa and Fabyano Fonseca e Silva
Mathematical models have become an excellent tool to evaluate the characteristics and performance of Constructed Wetlands (CWs). They help to characterize the dynamics of pollutant removal in these systems. The aim of this research was to evaluate the ki...
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Ahmad Assi, Fabjola Bilo, Alessandra Zanoletti, Laura Borgese, Laura Eleonora Depero, Mario Nenci and Elza Bontempi
This study presents an innovative stabilization method of fly ash derived from co-combustion of municipal solid waste and sewage sludge. Bottom ash, obtained from the same process, is used as a stabilizing agent. The stabilization method involved the use...
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E. Yu. Shevchenko
Pág. 328 - 332
In the article the author suggests the approaches to estimation of application efficiency of mechanisms of stateprivate partnership in realization of municipal level projects in the sphere of water supply and sewage; some management actions on improving ...
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Baoling Duan, Wuping Zhang, Haixia Zheng, Chunyan Wu, Qiang Zhang and Yushan Bu
Land use of sewage sludge is the primary disposal method in Shanxi, accounting for 42.66% of all. To determine the ecological risk of heavy metals in sewage sludge, contents of seven heavy metals in sewage sludge from 9 municipal waste water treatment pl...
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Moazzam Shahzad, Sher Jamal Khan and Parneet Paul
In this study, the solid retention time (SRT) was varied with the ambient temperature for a full-scale municipal activated sludge plant with capacity of 200,000 PE (Population Equivalent) located in a humid sub-tropical environment. The effects of ambien...
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Moazzam Shahzad, Sher Jamal Khan and Parneet Paul
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Silvia Bonetta, Cristina Pignata, Eugenio Lorenzi, Margherita De Ceglia, Lorenza Meucci, Sara Bonetta, Giorgio Gilli, Elisabetta Carraro
Pág. 1 - 10
Several studies have noted that treated and untreated wastewaters are primary contributors of a variety of pathogenic microorganisms to the aquatic ecosystem. Conventional wastewater treatment may not be sufficient to achieve microbiologically safe efflu...
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Silvia Bonetta, Cristina Pignata, Eugenio Lorenzi, Margherita De Ceglia, Lorenza Meucci, Sara Bonetta, Giorgio Gilli and Elisabetta Carraro
Several studies have noted that treated and untreated wastewaters are primary contributors of a variety of pathogenic microorganisms to the aquatic ecosystem. Conventional wastewater treatment may not be sufficient to achieve microbiologically safe efflu...
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Imke Fricke, Rolf Götz, Ruprecht Schleyer and Wilhelm Püttmann
Mercury (Hg) is still a focus of environmental research, since its levels in fish frequently exceed the Environmental Quality Standard (EQS) of 20 µg/kg for biota defined by the European Water Framework Directive (Directive 2008/105/EC). Current Hg level...
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Luis de Pereda,José Fernández,Hugo Lanao,Marta Durango
Pág. 66 - 80
Underground networks of urban infrastructures channel fluids, water, sewage, air, mechanical and thermal vehicles, store resources of all kinds, and interact with the underground mean, which allows to preserve a moderate rate of intensity and temperature...
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Yunxia Lu, Hao An, Chao Li and Changmin Liu
The potential environmental impact and increased operational costs associated with the upgrading and renovation of sewage treatment plants are acknowledged. This study employs the upgrading and expansion project of a municipal sewage plant in Dongguan Ci...
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Alina Dereszewska and Stanislaw Cytawa
Technologies used in municipal wastewater treatment plants (WWTPs) allow the recovery of energy and valuable elements (phosphorus, nitrogen, and organic carbon) for the soil. This article presents, in schematic form, the carbon, nitrogen, and phosphorus ...
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Franz Mascher, Wolfgang Mascher, Franz Pichler-Semmelrock, Franz F. Reinthaler, Gernot E. Zarfel and Clemens Kittinger
Within the framework of a one-year study the treatment capacity of a municipal wastewater treatment plant (WWTP) was evaluated, with regard to fecal indicator bacteria (FIB) and to their influence on the recipient. The logarithmic reduction rates for fec...
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Shaonan Tian, Zhe Tian, Hong Yang, Min Yang and Yu Zhang
Using sludge obtained from municipal sewage treatment plants, the response of viable bacterial populations during the sludge ozonation process was investigated by a combination of adenosine triphosphate (ATP) assay and propidium monoazide (PMA)-Miseq seq...
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Shaonan Tian, Zhe Tian, Hong Yang, Min Yang, Yu Zhang
Pág. 1 - 12
Using sludge obtained from municipal sewage treatment plants, the response of viable bacterial populations during the sludge ozonation process was investigated by a combination of adenosine triphosphate (ATP) assay and propidium monoazide (PMA)-Miseq seq...
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Thanaya I.N.A.
Pág. 36 - 43
This paper described an investigation and evaluation which was carried out in the United Kingdom-UK, on the properties of masonry building block materials that incorporate waste materials, namely: steel slag, crushed glass, coal fly ash, rice husk ash (R...
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