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Phosphorus Recovery from Wastewater Using Constructed Wetlands with Typha latifolia

PubMed · 2026-02-16

Constructed wetlands planted with cattails can remove 89% of phosphorus from municipal wastewater, turning a pollution problem into compostable fertilizer — at 40% less cost than conventional chemical treatment.

1

Cattail-based constructed wetlands removed 89% of phosphorus from municipal wastewater over a 2-year study period.

2

Harvested cattail biomass contained 1.2% phosphorus by dry weight, making it directly usable as compost fertilizer.

3

The system cost 40% less to operate than conventional chemical phosphorus precipitation methods.