Ammonia Waste Treatment Utilizing Catalytic Oxidation of Ammonia to Nitrogen PDF Download
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Author: Nicole N. Becker
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Author: Nicole N. Becker
Publisher:
ISBN:
Category :
Languages : en
Pages : 78
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Author: Lu Gang
Publisher:
ISBN: 9789038626536
Category :
Languages : en
Pages : 135
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Author: Sandra Lenihan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Magdalena Jablonska
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659617270
Category :
Languages : en
Pages : 72
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Book Description
An increasing amount of ammonia slip affects DeNOx technology used to reduce nitrogen oxides emissions from power plants and other stationary sources of NOx emissions, heavy trucks, gasoline and Diesel passenger cars. The control and removal of ammonia emissions in waste streams are required. The process of the selective catalytic oxidation of ammonia into nitrogen and water vapour is one of the most promising methods for elimination of toxic ammonia from flue gases. As catalysts for the process hydrotalcite-derived mixed metal oxides were tested. The studies performed in the frame of the research were presented in four scientific papers (Catalysis Letters, Applied Catalysis B: Environmental, Journal of Thermal Analysis and Calorimetry, Chemik). Mixed metal oxides have been found to be active, selective to nitrogen and stable in ammonia oxidation. Their activity and selectivity strongly depend on chemical and phase composition and their redox properties. Optimum composition of the catalysts guaranteeing high catalytic performance was proposed. The internal SCR (i-SCR) mechanism was investigated for the reaction performed over the studied catalysts.
Author: Esbon Y. Titus
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Author: Arnold Jarvis Gully
Publisher:
ISBN:
Category : Ammonia
Languages : en
Pages : 170
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Author: Finbarr O'Regan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Aaron Akah
Publisher: LAP Lambert Academic Publishing
ISBN: 9783838375465
Category :
Languages : en
Pages : 188
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Book Description
The main objective is to look at ways by which ammonia can be catalytically removed from gaseous waste streams via the selective catalytic oxidation (SCO) of ammonia to nitrogen and water. The book also looks at methods of catalysts preparations (such as impregnation, ion exchange and hydrothermal synthesis) and characterisation techniques (such as TPD, XPS, elemental analysis and nitrogen physisorption. The results of the selective catalytic oxidation of over Fe-ZSM-5 are also presented. Life time study on catalyst performance are also presented.
Author: L. G. J. M. van Dongen
Publisher: IWA Publishing
ISBN: 9781843390008
Category : Science
Languages : en
Pages : 76
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Book Description
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.
Author: Marincic, Ljiljana
Publisher:
ISBN:
Category : Ammonia
Languages : en
Pages : 60
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