Technical and economical design of PV system and hydrogen storage including a sodium hypochlorite plant in a small community: Case of study of Paraguay |
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| Affiliation: | 1. Faculty of Mechanical Engineering FEM/UNICAMP, Brazil;2. Faculty of Engineering, National University of Asunción FIUNA, Paraguay;3. Interdisciplinary Center of Energy Planning NIPE/UNICAMP, Brazil;1. Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501 Japan;2. Device Analysis Department, NISSAN ARC Ltd., 1 Natsushima-cho, Yokosuka 237-0061, Japan;3. Green Hydrogen Research Center, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501 Japan;1. Department of Biochemistry, Microbiology and Biotechnology, Faculty of Biology, Yerevan State University, 1 A. Manoogian Str., 0025, Yerevan, Armenia;2. Scientific-Research Institute of Biology, Faculty of Biology, Yerevan State University, 0025, Yerevan, Armenia;3. Microbial Biotechnologies and Biofuel Innovation Center, Yerevan State University, 0025, Yerevan, Armenia;1. Center of Exact and Technological Sciences, State University of West Paraná (UNIOESTE), 2069 Universitária Street, 85.819-210, Cascavel, PR, Brazil;2. Urban Planning and Technology Center, State University of Londrina (UEL), Celso Garcia Cid Highway, km 380 PR 445, 86.057-970, Londrina, PR, Brazil;3. Mauá School of Engineering, Mauá Institute of Technology (EEM/IMT), Praça Mauá 1, 09.580-900, São Caetano do Sul, SP, Brazil;1. Department of Materials Science, Tokai University, Hiratsuka 4-1-1, Kanagawa, 259-1292, Japan;2. Institute for Applied Materials (IAM-WK), Karlsruhe Institute of Technology (KIT), Engelbert-Arnold-Str. 4, D-76131, Karlsruhe, Germany;3. Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, D-76344, Eggenstein-Leopoldshafen, Germany;4. Department of Human Development, Tokai University, Hiratsuka 4-1-1, Kanagawa, 259-1292, Japan |
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| Abstract: | The increasing use of renewable power sources for distributed generation (DG) has made the application of storage systems a necessity to ensure the continuous supply. This paper analyzes technically and economically an autonomous sodium hypochlorite plant using a renewable energy source and a hydrogen storage system in the Western Region of Paraguay. In this region, there is abundant underground brackish water to produce industrial and energetic hydrogen. In addition, an isolated photovoltaic (PV) system feeds with electricity an electrolyzer, used for sodium hypochlorite production, and the brackish water and freshwater pumping systems. The hydrogen and fuel cell are used as backup system in the operation of the electrolyzer. Preliminary results show that hydrogen stored during the day can increase hypochlorite production by up to 31%. The PV solar system surplus can supply the demand of an off-grid community near the plant. The results show that the plant's return on investment (ROI) is 7 years. |
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| Keywords: | Hydrogen Storage Sodium hypochlorite Photovoltaic Fuel cell Distributed generation |
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