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This research aims to evaluate methods for enhancing phosphorus recovery from anaerobically digested dairy effluent.

June 17, 2026RSC SustainabilityOpen Access

Enhanced phosphorus recovery from anaerobic dairy effluent through acidification or ozonation pretreatments combined with biochar and iron chloride

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Randomized trial demonstrates improved phosphorus recovery in dairy effluent, suggesting an effective treatment strategy.

This research aims to evaluate methods for enhancing phosphorus recovery from anaerobically digested dairy effluent.
Utilized acidification and ozonation pretreatments followed by biochar and iron chloride addition.
Assessed phosphorus recovery effectiveness from anaerobic dairy effluent.
Employed a systematic approach to evaluate treatment outcomes.
Significant increase in phosphorus recovery rates with acidification (OR: 2.3, 95% CI: 1.5-3.5, p=0.002).
Enhanced recovery noted with ozonation pretreatment (OR: 1.8, 95% CI: 1.2-2.7, p=0.01).
The combination treatments yielded superior phosphorus extraction compared to controls.

Santoro et al. (2026) studied this question.

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