Experimental study of the potential of concentrated NaCl solutions for use in pressure-retarded osmosis process

• Autorzy: Dietrich Fabian , Cieślikiewicz Łukasz , Furmański Piotr , Łapka Piotr

Identyfikatory

DOI

10.24425/ather.2024.150446

• Języki publikacji: EN

Abstrakty

EN

Pressure retarded osmosis is a process that enables useful work generation from the salinity difference of solutions. The literature most often considers using pressure retarded osmosis with natural sodium chloride (NaCl) solutions, such as seawater, dedicated for open systems. To explore the full potential of this process, however, optimized, highly concentrated solutions of various compounds can be used. The presented research is focused on evaluating the impact of increasing draw solution temperature and concentration on the permeate flow in the osmotic process. The permeate flow is directly related to achievable work in this process, therefore, it is important to find feed and draw solution parameters that maximize it. An experimental setup developed in this study provides full control over the process parameters. Furthermore, the performance characteristics of the membrane over process time were investigated, as it became evident during preliminary experiments that the membrane impact is significant. The studies were conducted without back-pressure, in a configuration typical of the forward osmosis process, with solution circulation on both sides of the membrane. The obtained results show a clear positive impact of both the temperature and concentration increase on the potential output of a pressure retarded osmosis system. The membrane behaviour study allowed for correct interpretation of the results, by establishing the dynamics of the membrane degradation process.

Słowa kluczowe

EN

pressure retarded osmosis; renewable energy; experimental investigation; high-concentrated solution; increased temperature effect

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2024
• Tom: Vol. 45, no. 1
• Strony: 137--143
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Dietrich Fabian

• Warsaw University of Technology, Faculty of Power and Aeronautical Engineering, 21/25 Nowowiejska St., 00-665 Warsaw, Poland

autor

Cieślikiewicz Łukasz

• Warsaw University of Technology, Faculty of Power and Aeronautical Engineering, 21/25 Nowowiejska St., 00-665 Warsaw, Poland

autor

Furmański Piotr

• Warsaw University of Technology, Faculty of Power and Aeronautical Engineering, 21/25 Nowowiejska St., 00-665 Warsaw, Poland

autor

Łapka Piotr

• Warsaw University of Technology, Faculty of Power and Aeronautical Engineering, 21/25 Nowowiejska St., 00-665 Warsaw, Poland

Bibliografia

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• [13] Bajraktari, N., Hélix-Nielsen, C., & Madsen, H.T. (2017). Pressure retarded osmosis from hypersaline sources, Desalination, 413, 65–85. doi: 10.1016/j.desal.2017.02.017
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• [15] Jalab, R., Awad, A.M., Nasser, M.S., Minier-Matar, J., & Adham, S. (2020). Pilot-scale investigation of flowrate and temperature influence on the performance of hollow fiber forward osmosis membrane in osmotic concentration process. Journal of Environmental Chemical Engineering, 8(6), 104494. doi: 10.1016/j.jece.2020.104494
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Uwagi

1. This work was financially supported by the National Science Centre (Poland) within project no. 2021/43/B/ST8/02968 enti-tled "Development of the advanced micro-macroscopic model of transport phenomena in the pressure-retarded osmosis (PRO) process", POB Energy of Warsaw University of Technology within the Excellence Initiative: Research University (IDUB) programme within ENERGYTECH-1 project, and the Scientific Council of the Discipline of Environmental Engineering, Min-ing and Energy of the Warsaw University of Technology.

2. Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).