Effluent stream treatment in a nitrogenous fertilizer factory: An exergy analysis for process integration |
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| Institution: | 1. Department of Environmental Engineering, Clean Technologies Network of Bahia (TECLIM), UFBA – Federal University of Bahia, Rua Aristides Novis, 2, 4° andar, Polytechnic School, Salvador, BA 40210-630, Brazil;2. Fábrica de Fertilizantes Nitrogenados – FAFEN-BA/OT, Rua Eteno 2198, Polo Petroquímico de Camaçari, BA 42810-000, Brazil;3. Department of Physical Chemistry, Chemistry Institute, Federal University of Bahia, IQ/UFBA Campus Universitário de Ondina, Salvador, BA 40170-290, Brazil;1. Service d’urologie, hôpital européen Georges-Pompidou, 20 rue Leblanc, 75015 Paris, France;2. Université Paris-Descartes, Sorbonne Paris Cité, faculté de Médecine, 15 rue de l’École de Médecine, 75006 Paris, France;3. Unité INSERM U765, 20 rue Leblanc, 75015, Paris, France;4. Service d’Urologie et de Transplantation Rénale, CHU Besançon, 3 bd A. Fleming, Besançon, France;5. Université de Franche-Comté, 1 Rue Claude Goudimel, 25030 Besançon Cedex, France;6. Unité INSERM UMR 1098, 1 bd A. Fleming, Besançon, France;7. Comité de Transplantation de l’Association Française d’Urologie;1. Engineering Technological Center of Mushroom Industry, Minnan Normal University, Zhangzhou, Fujian, 363000, China;2. Collaborative Innovation Center of Mushroom Health Industry, Minnan Normal University, Zhangzhou, Fujian, 363000, China;3. School of Life Sciences & Biotechnology College, Minnan Normal University, Zhangzhou, Fujian, 363000, China;4. Zhangzhou No.3 Middle School, Zhangzhou, Fujian, 363000, China;1. Nuclear Engineering Department, Technical University of Madrid, José Gutiérrez Abascal 2, 28006 Madrid, Spain;2. Modeling and Simulation Department, Nuclear Safety Council (MOSI CSN), Justo Dorado 11, 28040 Madrid, Spain;1. Department of Energy Science and Engineering, Indian Institute of Technology, Bombay, Powai, Mumbai 400076, India;2. Department of Chemical and Environmental Engineering/Centre of Excellence for Green Technologies University of Nottingham Malaysia, Broga Road, 43500 Semenyih, Selangor, Malaysia;3. Chemical Engineering Department, De La Salle University, Manila, 2401 Taft Avenue, 1004 Manila, Philippines |
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| Abstract: | The industrial processes used for the production of nitrogenous fertilizers are the main generators of reactive nitrogen compounds, chemicals and effluents that ultimately impact the biosphere. Exergy analysis has been performed to a nitrogen fertilizer factory in the State of Bahia, Brazil, where the Anaerobic Ammonium Oxidation (Anammox) and other physical–chemical processes are used to partially or totally handle the feed streams normally sent to a stripping tower.The results showed that the combined use of physical–chemical and biological process can improve the overall exergetic efficiency and avoid the emission of reactive compounds to the atmosphere allowing the recovery of the condensate lost as effluent, so that it can be reincorporated in the production of steam network, increasing energy efficiency and environmental performance of the process. |
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| Keywords: | Nitrogen Ammonia Fertilizer plant Exergy analysis |
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