Autotrophic Nitrogen Removal from Low Concentrated Effluents

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Publisher : CRC Press
ISBN 13 : 1351652540
Total Pages : 150 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Autotrophic Nitrogen Removal from Low Concentrated Effluents by : Javier Adrián Sánchez Guillén

Download or read book Autotrophic Nitrogen Removal from Low Concentrated Effluents written by Javier Adrián Sánchez Guillén and published by CRC Press. This book was released on 2017-03-16 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: On a global scale, sewage represents the main point-source of water pollution and is also the predominant source of nitrogen contamination in urban regions. The present research is focused on the study of the main challenges that need to be addressed in order to achieve a successful inorganic nitrogen post-treatment of anaerobic effluents in the mainstream. The post-treatment is based on autotrophic nitrogen removal. The challenges are classified in terms of operational features and system configuration, namely: (i) the short-term effects of organic carbon source, the COD/N ratio and the temperature on the autotrophic nitrogen removal; the results from this study confirms that the Anammox activity is strongly influenced by temperature, in spite of the COD source and COD/N ratios applied. (ii) The long-term performance of the Anammox process under low nitrogen sludge loading rate (NSLR) and moderate to low temperatures; it demonstrates that NSLR affects nitrogen removal efficiency, granular size and biomass concentration of the bioreactor. (iii) The Anammox cultivation in a closed sponge-bed trickling filter (CSTF) and (iv) the autotrophic nitrogen removal over nitrite in a sponge-bed trickling filter (STF). Both types of Anammox sponge-bed trickling filters offer a plane technology with good nitrogen removal efficiency.

Autotrophic Nitrogen Removal from Low Concentrated Effluents

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Publisher : CRC Press
ISBN 13 : 9781138474413
Total Pages : pages
Book Rating : 4.4/5 (744 download)

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Book Synopsis Autotrophic Nitrogen Removal from Low Concentrated Effluents by : Crc Pr I Llc

Download or read book Autotrophic Nitrogen Removal from Low Concentrated Effluents written by Crc Pr I Llc and published by CRC Press. This book was released on 2017-09-14 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports the first systematic monitoring and modelling study on water availability, water quality and seawater intrusion of the Shatt al-Arab River (SAR) on the border of Iraq and Iran, where causes and concentration levels of salinity have not yet been fully understood, let alone addressed, leading to conflicting perceptions of its origin (external or internal), the natural conditions and the practices that can explain the current critical conditions. Current scientific knowledge on the SAR salinity problem is deficient, partially due to the complex and dynamic interaction between marine and terrestrial salinity sources, including return flows by water users of the different water sectors in the Euphrates and Tigris rivers upstream of the SAR. The development of a new series of monitoring stations and various modelling approaches helped to better understand the interactions between these different sources. The comprehensive and detailed dataset formed the basis for a validated analytical model that can predict the extent of seawater relative to other salinity sources in an estuary, and for a hydrodynamic model that can predict salinity changes. The adaptability of the models to changing conditions makes them directly applicable by water managers. The procedure can be applied to other comparable systems.

Biological nitrogen removal from low carbon wastewater

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Publisher : Frontiers Media SA
ISBN 13 : 2832519091
Total Pages : 137 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Biological nitrogen removal from low carbon wastewater by : Chongjun Chen

Download or read book Biological nitrogen removal from low carbon wastewater written by Chongjun Chen and published by Frontiers Media SA. This book was released on 2023-03-29 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bioelectrochemical Systems

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Publisher : IWA Publishing
ISBN 13 : 184339233X
Total Pages : 525 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis Bioelectrochemical Systems by : Korneel Rabaey

Download or read book Bioelectrochemical Systems written by Korneel Rabaey and published by IWA Publishing. This book was released on 2009-12-01 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the context of wastewater treatment, Bioelectrochemical Systems (BESs) have gained considerable interest in the past few years, and several BES processes are on the brink of application to this area. This book, written by a large number of world experts in the different sub-topics, describes the different aspects and processes relevant to their development. Bioelectrochemical Systems (BESs) use micro-organisms to catalyze an oxidation and/or reduction reaction at an anodic and cathodic electrode respectively. Briefly, at an anode oxidation of organic and inorganic electron donors can occur. Prime examples of such electron donors are waste organics and sulfides. At the cathode, an electron acceptor such as oxygen or nitrate can be reduced. The anode and the cathode are connected through an electrical circuit. If electrical power is harvested from this circuit, the system is called a Microbial Fuel Cell; if electrical power is invested, the system is called a Microbial Electrolysis Cell. The overall framework of bio-energy and bio-fuels is discussed. A number of chapters discuss the basics – microbiology, microbial ecology, electrochemistry, technology and materials development. The book continues by highlighting the plurality of processes based on BES technology already in existence, going from wastewater based reactors to sediment based bio-batteries. The integration of BESs into existing water or process lines is discussed. Finally, an outlook is provided of how BES will fit within the emerging biorefinery area.

The Combined Sharon/Anammox Process

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Publisher : IWA Publishing
ISBN 13 : 9781843390008
Total Pages : 76 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis The Combined Sharon/Anammox Process by : L. G. J. M. van Dongen

Download or read book The Combined Sharon/Anammox Process written by L. G. J. M. van Dongen and published by IWA Publishing. This book was released on 2001-09-30 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wastewater treatment management, alongside many other industries, is seeking to attain a higher degree of sustainability for its processes by focusing on new technologies which minimise the consumption of resources or even recover them from the wastewater. Conventional removal of ammonium requires usually large amounts of energy for aeration and organic carbon for denitrification. This report focuses on making the nitrogen-removal process more sustainable. This can be achieved by a partial oxidation of ammonium to nitrite, after which the nitrate produced can be converted into nitrogen gas with the rest of ammonium under anoxic conditions. The treatment of nitrogen-rich water can be carried out beneficially by a combination of the Sharon process with the Anammox process. In this combined process less than 50% of the aeration energy is needed, no COD is required and an insignificant amount of sludge is produced. In this Report the potential of using this technology for the treatment of water arising from sludge treatment at a municipal wastewater treatment plant (WWTP) is evaluated and the results of the operation of the system are described in detail. This reject water contains a significant fraction of the N-load towards the wastewater treatment plant. The results are used in an economic evaluation of a potential full scale installation. The Combined Sharon/Anammox Process Report will provide an invaluable source of information for all those concerned with the efficient and sustainable treatment of wastewater including plant managers, process designers, consultants and researchers.

Nitrogen Removal Processes for Wastewater Treatment

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Publisher : Bentham Science Publishers
ISBN 13 : 9811416575
Total Pages : 168 pages
Book Rating : 4.8/5 (114 download)

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Book Synopsis Nitrogen Removal Processes for Wastewater Treatment by : Edris Hoseinzadeh

Download or read book Nitrogen Removal Processes for Wastewater Treatment written by Edris Hoseinzadeh and published by Bentham Science Publishers. This book was released on 2019-07-03 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nitrogen containing compounds produced by industrial processes are pollutants which pose a significant environmental and health hazard. There are a number of processes that have been devised for removing nitrogen compounds from wastewater. This reference book summarizes different denitrification methods for wastewater processing. The book introduces readers to toxic nitrogen compounds responsible for water pollution. This introduction is followed by chapters which explain different nitrogen removal methods including conventional methods, biological methods, food industry wastewater treatment and new approaches towards environmental pollution remediation: Bio Electrochemical Systems (BESs). This book is a handy reference guide for industrial and environmental engineers and students learning about wastewater management and industrial denitrification.

Aerobic Granular Sludge

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Publisher : IWA Publishing
ISBN 13 : 9781843395096
Total Pages : 186 pages
Book Rating : 4.3/5 (95 download)

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Book Synopsis Aerobic Granular Sludge by : S. Bathe

Download or read book Aerobic Granular Sludge written by S. Bathe and published by IWA Publishing. This book was released on 2005-03-31 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerobic Granular Sludge has recently received growing attention by researchers and technology developers, worldwide. Laboratory studies and preliminary field tests led to the conclusion that granular activated sludge can be readily established and profitably used in activated sludge plants, provided 'correct' process conditions are chosen. But what makes process conditions 'correct'? And what makes granules different from activated sludge flocs? Answers to these question are offered in Aerobic Granular Sludge. Major topics covered in this book include: Reasons and mechanism of aerobic granule formation Structure of the microbial population of aerobic granules Role, composition and physical properties of EPS Diffuse limitation and microbial activity within granules Physio-chemical characteristics Operation and application of granule reactors Scale-up aspects of granular sludge reactors, and case studies Aerobic Granular Sludge provides up-to-date information about a rapidly emerging new technology of biological treatment.

Enhanced Nitrogen Removal of Low C/N Ratio Wastewater by Coupling Fe(Ii)-Driven Autotrophic and Heterotrophic Denitrification Using Conductive Carrier

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Enhanced Nitrogen Removal of Low C/N Ratio Wastewater by Coupling Fe(Ii)-Driven Autotrophic and Heterotrophic Denitrification Using Conductive Carrier by : Wenjuan Zhao

Download or read book Enhanced Nitrogen Removal of Low C/N Ratio Wastewater by Coupling Fe(Ii)-Driven Autotrophic and Heterotrophic Denitrification Using Conductive Carrier written by Wenjuan Zhao and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The denitrification of low C/N ratio wastewater usually faces the issues of slow rate and low efficiency. Nitrogen removal rate can be greatly improved through heterotrophic denitrification by adding sufficient carbon source, but would greatly add the treatment cost. In this study, we report enhanced nitrogen removal of low C/N ratio wastewater by coupling Fe(II)-driven autotrophic and heterotrophic bioelectrochemical denitrification using conductive biofilm carrier. The introduction of conductive graphite carrier is proved to be able to enhance the Fe(II)-driven autotrophic denitrification. The bioreactor using graphite plate as biofilm carrier has a denitrification rate constant (kDN) of 0.016 h-1, which is 1.77 and 5 times as that of with non-conductive polypropylene and without carrier, respectively. The presence of Fe(II) and conductive graphite carrier promotes the denitrification of low C/N ratio wastewater. The kDN of the bioreactor for treatment wastewater with low C/N ratio of 0.76 with Fe(II) is 0.095 h-1, which is 5 times as that of without Fe(II). The reasons for the enhancement of the denitrification of low C/N ratio wastewater are probably that, the conductive carrier enhances the direct electron transfer and facilitates the growth of electroactive microorganisms, while the Fe(II) not only serves as electron donor but also plays the role of mediator and facilitate the mediated electron transfer, thus enhances the both Fe(II)-driven autotrophic and heterotrophic bioelectrochemical denitrification. Microbial community analysis show that the addition of Fe(II) changes the biofilm community composition and greatly enhances the enrichment of electroactive bacterium like Comamonas, and denitrifers such as Chryseobacterium and Castellaniella, in the conductive biofilm carrier under heterotrophic conditions. While the autotrophic conditions are beneficial to the enrichment of other microorganisms without denitrification function, such as soil Aquamicrobium Hydrotalea. This study provided a new strategy for enhancement of the denitrification low C/N ratio wastewater.

Post Treatments of Anaerobically Treated Effluents

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Publisher : IWA Publishing
ISBN 13 : 1780409737
Total Pages : 457 pages
Book Rating : 4.7/5 (84 download)

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Book Synopsis Post Treatments of Anaerobically Treated Effluents by : Vinay Kumar Tyagi

Download or read book Post Treatments of Anaerobically Treated Effluents written by Vinay Kumar Tyagi and published by IWA Publishing. This book was released on 2019-06-15 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: The anaerobic process is considered to be a sustainable technology for organic waste treatment mainly due to its lower energy consumption and production of residual solids coupled with the prospect of energy recovery from the biogas generated. However, the anaerobic process cannot be seen as providing the ‘complete’ solution as its treated effluents would typically not meet the desired discharge limits in terms of residual carbon, nutrients and pathogens. This has given impetus to subsequent post treatment in order to meet the environmental legislations and protect the receiving water bodies and environment. This book discusses anaerobic treatment from the perspective of organic wastes and wastewaters (municipal and industrial) followed by various post-treatment options for anaerobic effluent polishing and resource recovery. Coverage will also be from the perspective of future trends and thoughts on anaerobic technologies being able to support meeting the increasingly stringent disposal standards. The resource recovery angle is particularly interesting as this can arguably help achieve the circular economy. It is intended the information can be used to identify appropriate solutions for anaerobic effluent treatment and possible alternative approaches to the commonly applied post-treatment techniques. The succeeding discussion is intended to lead on to identification of opportunities for further research and development. This book can be used as a standard reference book and textbook in universities for Master and Doctoral students. The academic community relevant to the subject, namely faculty, researchers, scientists, and practicing engineers, will find the book both informative and as a useful source of successful case studies.

Microbial Electrochemical Technologies

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Publisher : CRC Press
ISBN 13 : 0429944993
Total Pages : 497 pages
Book Rating : 4.4/5 (299 download)

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Book Synopsis Microbial Electrochemical Technologies by : Sonia M. Tiquia-Arashiro

Download or read book Microbial Electrochemical Technologies written by Sonia M. Tiquia-Arashiro and published by CRC Press. This book was released on 2020-01-06 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book encompasses the most updated and recent account of research and implementation of Microbial Electrochemical Technologies (METs) from pioneers and experienced researchers in the field who have been working on the interface between electrochemistry and microbiology/biotechnology for many years. It provides a holistic view of the METs, detailing the functional mechanisms, operational configurations, influencing factors governing the reaction process and integration strategies. The book not only provides historical perspectives of the technology and its evolution over the years but also the most recent examples of up-scaling and near future commercialization, making it a must-read for researchers, students, industry practitioners and science enthusiasts. Key Features: Introduces novel technologies that can impact the future infrastructure at the water-energy nexus. Outlines methodologies development and application of microbial electrochemical technologies and details out the illustrations of microbial and electrochemical concepts. Reviews applications across a wide variety of scales, from power generation in the laboratory to approaches. Discusses techniques such as molecular biology and mathematical modeling; the future development of this promising technology; and the role of the system components for the implementation of bioelectrochemical technologies for practical utility. Explores key challenges for implementing these systems and compares them to similar renewable energy technologies, including their efficiency, scalability, system lifetimes, and reliability.

Autotrophic nitrogen removal in granular sequencing batch reactors.

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Publisher : Univ Santiago de Compostela
ISBN 13 :
Total Pages : 207 pages
Book Rating : 4./5 ( download)

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Book Synopsis Autotrophic nitrogen removal in granular sequencing batch reactors. by : José Ramón Vázquez Padín

Download or read book Autotrophic nitrogen removal in granular sequencing batch reactors. written by José Ramón Vázquez Padín and published by Univ Santiago de Compostela. This book was released on 2010 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Process Design Manual for Nitrogen Control

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Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Process Design Manual for Nitrogen Control by : United States. Environmental Protection Agency. Office of Technology Transfer

Download or read book Process Design Manual for Nitrogen Control written by United States. Environmental Protection Agency. Office of Technology Transfer and published by . This book was released on 1975 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sustainable nitrogen removal in emerging pollutant contaminated wastewater: Technology, application and risk assessment

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Publisher : Frontiers Media SA
ISBN 13 : 2832543642
Total Pages : 110 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Sustainable nitrogen removal in emerging pollutant contaminated wastewater: Technology, application and risk assessment by : Zhaoming Zheng

Download or read book Sustainable nitrogen removal in emerging pollutant contaminated wastewater: Technology, application and risk assessment written by Zhaoming Zheng and published by Frontiers Media SA. This book was released on 2024-01-29 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Activated Sludge Models

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Publisher : IWA Publishing
ISBN 13 : 9781900222242
Total Pages : 132 pages
Book Rating : 4.2/5 (222 download)

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Book Synopsis Activated Sludge Models by : The IWA Task Group on Mathematical Modelling for Design and Operation of Biological Wastewater Treatment

Download or read book Activated Sludge Models written by The IWA Task Group on Mathematical Modelling for Design and Operation of Biological Wastewater Treatment and published by IWA Publishing. This book was released on 2000-05-31 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been produced to give a total overview of the Activated Sludge Model (ASM) family at the start of 2000 and to give the reader easy access to the different models in their original versions. It thus presents ASM1, ASM2, ASM2d and ASM3 together for the first time. Modelling of activated sludge processes has become a common part of the design and operation of wastewater treatment plants. Today models are being used in design, control, teaching and research. Contents ASM3: Introduction, Comparison of ASM1 and ASM3, ASM3: Definition of compounds in the model, ASM3: Definition of processes in the Model, ASM3: Stoichiometry, ASM3: Kinetics, Limitations of ASM3, Aspects of application of ASM3, ASM3C: A Carbon based model, Conclusion ASM 2d: Introduction, Conceptual Approach, ASM 2d, Typical Wastewater Characteristics and Kinetic and Stoichiometric Constants, Limitations, Conclusion ASM 2: Introduction, ASM 2, Typical Wastewater Characteristics and Kinetic and Stoichiometric Constants, Wastewater Characterization for Activated Sludge Processes, Calibration of the ASM 2, Model Limitations, Conclusion, Bibliography ASM 1: Introduction, Method of Model Presentation, Model Incorporating Carbon Oxidation Nitrification and Denitrification, Characterization of Wastewater and Estimation of Parameter Values, Typical Parameter Ranges, Default Values, and Effects of Environmental Factors, Assumptions, Restrictions and Constraints, Implementation of the Activated Sludge Model Scientific and Technical Report No.9

Autotrophic Nitrogen Removal from Municipal Wastewater Based on Anammox

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Autotrophic Nitrogen Removal from Municipal Wastewater Based on Anammox by : Michele Laureni

Download or read book Autotrophic Nitrogen Removal from Municipal Wastewater Based on Anammox written by Michele Laureni and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nitrogen Removal from Municipal Wastewater

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Publisher : Nordic Council of Ministers
ISBN 13 : 9789291207091
Total Pages : 276 pages
Book Rating : 4.2/5 (7 download)

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Book Synopsis Nitrogen Removal from Municipal Wastewater by : Matti Valve

Download or read book Nitrogen Removal from Municipal Wastewater written by Matti Valve and published by Nordic Council of Ministers. This book was released on 1995 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Technologies for the Treatment and Recovery of Nutrients from Industrial Wastewater

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Publisher : IGI Global
ISBN 13 : 1522510389
Total Pages : 413 pages
Book Rating : 4.5/5 (225 download)

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Book Synopsis Technologies for the Treatment and Recovery of Nutrients from Industrial Wastewater by : Val del Río, Ángeles

Download or read book Technologies for the Treatment and Recovery of Nutrients from Industrial Wastewater written by Val del Río, Ángeles and published by IGI Global. This book was released on 2016-10-21 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of wastewater from various human and industrial activities has a harsh impact on the environment. Without adequate treatment, the disposal of this wastewater poses a threat to the quality of water globally. Technologies for the Treatment and Recovery of Nutrients from Industrial Wastewater investigates emergent research and best practices within the field of wastewater management. Highlighting novel technological tools in wastewater treatment, effective nutrient removal technologies, and innovative solutions to quality water preservation practices, this book is a critical reference source for professionals, scientists, academics, and students.