Renewable Energy Powered Membrane Technology: Electrical Energy Storage Options for a Photovoltaic-Powered Brackish Water Desalination System

Li, Sheying; Carvalho, Ana P. S. G. de; Schäfer, A.I.; Richards, Bryce S.

doi:10.3390/app11020856

Cited by 5 publications

(2 citation statements)

References 69 publications

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“…Storing energy in hydrogen is another option, but the conversion efficiency must be improved at both ends. For short-term fluctuations, flywheels [41], supercapacitors [42] or compressed air storage [43] is options to develop. In the case of already-dispatchable CSP, the development of more efficient Brayton cycles that operate with air or supercritical CO 2 is proposed [44].…”

Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

2024 roadmap on membrane desalination technology at the water-energy nexus

Politano,

Al-Juboori,

Alnajdi

et al. 2024

J. Phys. Energy

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Water and energy are two strategic drivers of sustainable development, intimately interlaced and vital for a secure future of humanity. Given that water resources are limited, whereas global population and energy demand are exponentially growing, the competitive balance between these resources, referred to as the water-energy nexus – is receiving renewed focus.The desalination industry alleviates water stress by producing freshwater from saline sources, such as seawater, brackish or groundwater. Since the last decade, the market has been dominated by membrane desalination technology, offering significative advantages over thermal processes, such as lower energy demand, easy process control and scale-up, modularity for flexible productivity, and feasibility of synergic integration of different membrane operations. The exciting new frontier of sustainable mining of seawater concentrates is accelerating the appearance of a plethora of innovative membrane materials and methods for brine dehydration and selective extraction of trace ions, although under the sword of Damocles represented by cost feasibility for reliable commercial application. On the other hand, among several emerging technologies, reverse electrodialysis (SGP-RED) was already proven capable – at least at the kW scale–of turning the chemical potential difference between river water, brackish water, and seawater into electrical energy. Efforts to develop a next generation of Ion Exchange Membranes exhibiting high perm-selectivity (especially toward monovalent ions) and low electrical resistance, to improve system engineering and to optimize operational conditions, pursue the goal of enhancing the low power density so far achievable (in the order of a few W per m2).This Roadmap takes the form of a series of short contributions written independently by worldwide experts in the topic. Collectively, such contributions provide a comprehensive picture of the current state of the art in membrane science and technology at the water-energy nexus, and how it is expected to develop in the future

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Section: Advances In Science and Technology To Meet Challengesmentioning

confidence: 99%

2024 roadmap on membrane desalination technology at the water-energy nexus

Politano,

Al-Juboori,

Alnajdi

et al. 2024

J. Phys. Energy

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“…However, one of the main challenges of a solar-driven system is related to energy storage capacities. The prospective for lithium-ion (Li-ion) batteries and supercapacitors (SCs) on a photo voltaic-powered RO membrane (PV-membrane) system was evaluated, and it was observed that average specific energy consumption (SEC) of 4 kWh/m 3 with fully charged batteries is used to produce clean water [178].…”

Section: Development Of Renewable Energy-driven Membrane Systemmentioning

confidence: 99%

A Review on the Use of Membrane Technology Systems in Developing Countries

et al. 2021

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Fulfilling the demand of clean potable water to the general public has long been a challenging task in most developing countries due to various reasons. Large-scale membrane water treatment systems have proven to be successful in many advanced countries in the past two decades. This paves the way for developing countries to study the feasibility and adopt the utilization of membrane technology in water treatment. There are still many challenges to overcome, particularly on the much higher capital and operational cost of membrane technology compared to the conventional water treatment system. This review aims to delve into the progress of membrane technology for water treatment systems, particularly in developing countries. It first concentrates on membrane classification and its application in water treatment, including membrane technology progress for large-scale water treatment systems. Then, the fouling issue and ways to mitigate the fouling will be discussed. The feasibility of membrane technologies in developing countries was then evaluated, followed by a discussion on the challenges and opportunities of the membrane technology implementation. Finally, the current trend of membrane research was highlighted to address future perspectives of the membrane technologies for clean water production.

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Renewable Energy Powered Membrane Technology: Energy Buffering Control to Reduce Shut‐Down Events and Enhance System Resilience under Different Solar Days

Voigt

Cai

et al. 2023

Advanced Sustainable Systems

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Fluctuating and intermittent solar energy cause shut‐down and reduce resilience of photovoltaic powered membrane (PV‐membrane) systems. A charge controller based on pre‐set voltage thresholds for supercapacitors (SC) is designed and employed on varied solar days to cope with these issues. Several parameters—number of shut‐down events (#SD), shut‐down duration (tSD) and resilience factor in flux (RFflux)—are quantified. The controller reduces tSD by 37% (partly cloudy) and 12% (very cloudy), and #SD by 2 and 13 events, respectively. During the 90 min fluctuations, tSD is shortened to 1–4.5 min and #SD is reduced by 1–4 events for feed water salinities of ≤7.5 g L−1. Increasing the PV power capacity to 600–1000 W, zero #SD occurs and RFflux rises from 0.3 to 0.8, indicating enhanced system resilience.

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Renewable Energy Powered Membrane Technology: Electrical Energy Storage Options for a Photovoltaic-Powered Brackish Water Desalination System

Cited by 5 publications

References 69 publications

2024 roadmap on membrane desalination technology at the water-energy nexus

2024 roadmap on membrane desalination technology at the water-energy nexus

A Review on the Use of Membrane Technology Systems in Developing Countries

Renewable Energy Powered Membrane Technology: Energy Buffering Control to Reduce Shut‐Down Events and Enhance System Resilience under Different Solar Days

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