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Effect of Micropollutants in Wastewater on Recovered Struvite

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Abstract:

Struvite precipitation experiments were conducted in digested sludge and digester supernatant samples. Selected organic micropollutants (OM) consisting of ubiquitous pharmaceuticals, personal care products, industrial auxiliary substances and synthetic fragrances were measured in original samples and after the precipitation both in solution and recovery product. Depending on the used medium OM concentrations in recovery product varied explicitly. In precipitates recovered from digester supernatants 4-nonylphenols, carbamazepine, benzophenone, AHTN and HHCB were detected, 4-nonylphenols dominating. In recovery products generated from digested sludge, synthetic fragrances, 4-nonylphenols and organic phosphoric acid esters were noticeable.

Keywords: Nutrient recovery; micropollutants; organic trace compounds; struvite precipitation

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864711802867577

Publication date: January 1, 2011

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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