Organophosphonates: A review on environmental relevance, biodegradability and removal in wastewater treatment plants

The Science of the Total Environment
Eduard RottJörg W Metzger

Abstract

The worldwide increasing consumption of the phosphonates 2-phosphonobutane-1,2,4-tricarboxylic acid [PBTC], 1-hydroxyethane 1,1-diphosphonic acid [HEDP], nitrilotris(methylene phosphonic acid) [NTMP], ethylenediamine tetra(methylene phosphonic acid) [EDTMP] and diethylenetriamine penta(methylene phosphonic acid) [DTPMP] over the past decades put phosphonates into focus of environmental scientists and agencies, as they are increasingly discussed in the context of various environmental problems. The hitherto difficult analysis of phosphonates contributed to the fact that very little is known about their concentrations and behavior in the environment. This work critically reviews the existing literature up to the year 2016 on the potential environmental relevance of phosphonates, their biotic and abiotic degradability, and their removal in wastewater treatment plants (WWTPs). Accordingly, despite their stability against biological degradation, phosphonates can be removed with relatively high efficiency (>80%) in WWTPs operated with chemical phosphate precipitation. In the literature, however, to our knowledge, there is no information as to whether an enhanced biological phosphorus removal alone is sufficient for such high removal ...Continue Reading

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Citations

Jul 6, 2019·Integrated Environmental Assessment and Management·Glaucia PantanoAntonio A Mozeto
Feb 25, 2020·PloS One·Abdelmounaim MouhajirSandrine Giraud
Oct 24, 2019·Analytical and Bioanalytical Chemistry·Dominic ArmbrusterOliver Happel
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Jan 10, 2022·The Science of the Total Environment·Shuting ShenXiwu Lu

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