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Desalination

Solar revitalizes abandoned desalination plant in Spain

A new €99 million solar project will help the Rambla Morales desalination plant, which shut down in 2011, to resume operations by fall 2022.

PV-powered desalination system for rural areas

Italian start-up Genius Watter has developed a solar desalination solution that is claimed to be particularly suitable for remote areas with no connection to grid electricity. The system is able to produce up to 1,000 cubic meters of potable water per day at an opex of €0.20 per cubic meter.

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African green hydrogen could feed German and Japanese industry and water drought-stricken nations

Trade bodies the Africa Solar Industry Association and the African Hydrogen Partnership hosted a two-day virtual conference to discuss the role green hydrogen can play in economic growth across the continent–and how it could drive desalination in freshwater-starved coastal countries.

Floating PV for desalination

Spanish water-treatment specialist Emalsa has teamed up with Instituto Tecnologico de Canarias ITC and Universidad Europea de Canarias to study the feasibility of a 1.53 MW floating solar plant that could potentially power the Piedra Santa desalination plant in Gran Canaria.

Pumped hydro with desalination, powered by renewables

EDF and Oceanus plan to build a pumped hydro storage station and a desalination system powered by wind and solar. The system will use saltwater to produce hydropower during periods of high demand, while producing affordable freshwater.

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French startups develop PV-powered desalination solution

Two French companies have collaborated on the development of the Osmo-Watt system, which is powered by solar panels. They claim that the technology can produce up to 100 cubic meters of drinking water per day.

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PV powered desalination is “the most competitive design”

Scientists in France conducted an analysis on the competitiveness of water desalination, taking a large scale project planned for Morocco as a case study. The research concludes that PV without storage is the cheapest option to power desalinators, and will likely remain so until at least 2030.

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Solar driving efficient electrochemical water treatment

Researchers from the United States have investigated how solar could help electrochemical methods for water treatment become more competitive. The scientists analyzed how electrochemical technologies such as electrocoagulation, capacitive deionization, electrodialysis, and electrodeionization may be combined with solar power generation.

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Solar can drive down levelized cost of desalinated water

A study from Finland’s Lappeenranta University of Technology states decarbonization of desalination could help achieve a levelized cost of water of €0.32-1.66 per cubic meter. Solar and storage are expected to play a decisive role.

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The life of brine

Solar remains an interesting option to power water desalination despite obstacles to its widespread adoption. A recent study has highlighted the processing or dumping of brine waste as an important factor to consider.

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