Drones to control, monitor and treat green algae blooms

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A European consortium will develop a 3.2 million euro project that will see drones used to treat algae blooms.

The water-based drones would be combined with water sensors, which it is hoped will localise algae bloom hotspots and offer required treatment with ultrasound frequencies.

Called the "Dronic Project", the process starts with its ‘Master' drone, which follows a programmed route to localise algae hotspots. In this process several water parameters are measured.

If algae above certain concentrations are found, the drone will map the location and dimension of the bloom. This data is sent to the ‘Slave' drone, which then navigates to the hotspot and treats the algae blooms on location with ultrasonic sound waves. The consortium will see LG Sound joining forces with ACSA France, CNRS France, SEPTENTRIO Belgium, VITO Belgium, UL Slovenia, Ministry of Agriculture Cyprus and Scottish Water from the UK. It is hoped the technology will help provide "effective treatment against algae and cyanobacteria in lakes and inland water reservoirs used for drinking water production".


Desalination to supply a third of Beijing's water

China's largest publicly traded water company – Beijing Enterprises Water Group – is developing a seven billion yuen ($1.1 billion) RO desalination plant in the Caofeidian district of Tangshan in Hebei province that will eventually supply over 30% of the city's water.

Alaskan oil and gas plants resolve water violations

According to settlements with the Environmental Protection Agency (EPA), CPD Alaska and Wrangell Oil have agreed to resolve violations of federal stormwater rules intended to protect surface water and waterways.

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