Somerset invention 'successfully filters harmful phosphates' (www.bbc.co.uk)

submitted 4 days ago by GreyShuck@feddit.uk to c/nature@feddit.uk

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A start-up hopes its invention to remove a harmful pollutant from waterways can "go global" following a successful trial in a key reservoir - and help farmers cut costs at the same time.

Rookwood Operations, based in Wells, Somerset, has pioneered a system to filter out phosphates, which in high concentrations can drive harmful algal blooms that choke water courses of oxygen.

It binds phosphates to a sponge-like organic material deployed in permeable cartridges, and a trial conducted in Chew Valley Reservoir found it can remove the chemical even at very low concentrations.

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this post was submitted on 13 Jul 2026

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UK Nature and Environment

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