Proceedings

Reactive media filled constructed wetland solutions for phosphorus removal from wastewater: PRESENTATION ONLY

Andy Freeman, Research & Development, ARM Group Ltd

(free)

Context

88% reduction in P from STWs since 1995 (EA. 2019).
>900 P removal schemes in AMP 7

but…

45% surface waters fail to achieve a good ecological status due to P. More work to do!

Qu. Can it be done more sustainably ???

NBS – Treatment Wetlands

Long term P removal mostly limited to vegetation uptake. But – seasonal, sometimes P release.

Low removal: 0.1-15g/P/M sq/yr (if reeds are harvested)

And input is >1.0kg P/pe/yr!

 

Need for new approach and innovation!

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