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New way to get nitrates out of wastewater discovered

Researchers identified two wastewater microbes that reduce nitrates with less carbon and waste, benefiting rural communities where 5% of private bores exceed nitrate guidelines.

Summary by Otago Daily Times
A wastewater treatment plant in Akaroa. Photo: Supplied/Christchurch City Council via RNZ By Kate Green of RNZ University of Auckland researchers have discovered different microbes can be used to reduce the carbon footprint of treating wastewater.

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RNZRNZ
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New way to get nitrates out of wastewater found by Auckland scientists

Nitrates have to be removed before the treated water can be discharged into the environment.

·New Zealand
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Otago Daily TimesOtago Daily Times
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New way to get nitrates out of wastewater discovered

A wastewater treatment plant in Akaroa. Photo: Supplied/Christchurch City Council via RNZ By Kate Green of RNZ University of Auckland researchers have discovered different microbes can be used to reduce the carbon footprint of treating wastewater.

·Otago, New Zealand
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Otago Daily Times broke the news in Otago, New Zealand on Sunday, December 21, 2025.
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