Use of two artificial sweeteners, cyclamate and acesulfame, to identify and quantify wastewater contributions in a karst spring

The Science of the Total Environment
Johannes ZirlewagenTraugott Scheytt

Abstract

The identification and differentiation of different sources of contamination are crucial aspects of risk assessment in water resource protection. This is especially challenging in karst environments due to their highly heterogeneous flow fields. We have investigated the use of two artificial sweeteners, cyclamate and acesulfame, as an indicator set for contamination by wastewater within the rural catchment of a karst spring. The catchment was investigated in detail to identify the sources of artificial sweeteners and quantify their impact. Spring water was analysed following two different but typical recharge events: (1) a rain-on-snow event in winter, when no wastewater overflow from the sewer system was observed, and (2) an intense rainfall event in summer triggering an overflow from a stormwater detention basin. Acesulfame, which is known to be persistent, was quantified in all spring water samples. Its concentrations decreased after the winter event with no associated wastewater spillage but increased during the summer event following a recent input of untreated wastewater. Cyclamate, which is known to be degradable, was only detected following the wastewater inflow incident. The cyclamate signal matched very well the break...Continue Reading

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Feb 18, 2015·The Science of the Total Environment·Hang Thuy Thi NhamTobias Licha
Jun 18, 2015·The Science of the Total Environment·Ferry SchiperskiTraugott Scheytt

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Citations

Jun 28, 2016·Environmental Science & Technology·Ferry SchiperskiTraugott Scheytt
Jan 3, 2018·Journal of Environmental Quality·John SpoelstraSherry L Schiff
Jan 16, 2021·Integrated Environmental Assessment and Management·Rong MaBing Zhang
Feb 26, 2021·The Science of the Total Environment·Huanfang HuangWei Chen
Apr 18, 2021·Journal of Environmental Management·Priscilla da Costa Cunha AlvesSusanne Rath
Aug 28, 2021·International Journal of Environmental Research and Public Health·Henghua ZhuYunde Liu

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