Articles with "municipal secondary" as a keyword



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Advanced treatment of municipal secondary effluent by catalytic ozonation using Fe3O4-CeO2/MWCNTs as efficient catalyst

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Published in 2017 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-017-8619-z

Abstract: The advanced treatment of municipal secondary effluent was performed by catalytic ozonation using Fe3O4-CeO2/MWCNTs as catalyst. The experimental results showed that in catalytic ozonation system, the removal efficiency of soluble COD was more than 46%… read more here.

Keywords: municipal secondary; advanced treatment; secondary effluent; ozonation ... See more keywords
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Formation of N-nitrosamines during the analysis of municipal secondary biological nutrient removal process effluents by US EPA method 521.

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.01.053

Abstract: US EPA Method 521 employs activated carbon-based solid phase extraction (SPE) cartridges for analyzing N-nitrosamines. The analysis of N-nitrosamines and their chloramine-reactive and ozone-reactive precursors in nitrified municipal secondary effluent revealed the potential for NDMA… read more here.

Keywords: municipal secondary; epa method; analysis; formation ... See more keywords
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Unveiling the transformation of dissolved organic matter during ozonation of municipal secondary effluent based on FT-ICR-MS and spectral analysis.

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Published in 2020 at "Water research"

DOI: 10.1016/j.watres.2020.116484

Abstract: Ozonation is a well-recognized process in advanced treatment of municipal secondary effluent for water reclamation. However, the transformation of dissolved effluent organic matter (dEfOM) during ozonation of real effluents, particularly at molecular level, has been… read more here.

Keywords: municipal secondary; transformation dissolved; secondary effluent; ozonation ... See more keywords