The problem with benzotriazole ultraviolet stabilizers in the environment ‐ are the aquatic plants the solution for them?

Polińska, Weronika; Kotowska, Urszula; Karpińska, Joanna

doi:10.1016/j.indcrop.2024.118050

Cited by 1 publication

(2 citation statements)

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“…After 7 days, the degree of concentration reduction is similar to the results obtained during the first experiment (94–96% W. arrhiza ; 84–93% L. minor ). The analysis of literature data indicates that the efficiency of removal of organic micropollutants by floating plants depends significantly on the plant species as well as the structure and properties of the removed compound 45 , 58 , 59 . Studies conducted with W. arrhiza have shown that the removal efficiency of phthalates by this plant ranges from 78 to over 99% 38 .…”

Section: Resultsmentioning

confidence: 99%

“…The concentrations of each compound were 500 µg/L, Hutner's medium was used as the culture medium, and the plant used for phytoremediation was W. arrhiza . Design of experiments (DoE) chemometric approach based on central composite design (CCD) was applied 35 , 36 , 45 , 46 . Effect of three independent parameters: pH (first independent variable, x 1 ), time of exposure to light per day (second independent variable, x 2 ), and mass of plant per 100 ml of purified solution (third independent variable, x 3 ) on the CECs removal efficiency (RE%) has been examined.…”

Section: Methodsmentioning

confidence: 99%

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Removal of contaminants of emerging concern by Wolffia arrhiza and Lemna minor depending on the process conditions, pollutants concentration, and matrix type

Kotowska,

Piekutin,

Polińska

et al. 2024

Sci Rep

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Research was carried out on the removal of a group of six contaminants of emerging concern: bisphenol A, N,N-diethyl-m-toluamide, diethylstilbestrol, triclosan, estrone and estradiol from the water matrix during contact with small floating macrophytes Wolffia arrhiza and Lemna minor. The optimal conditions for the process, such as pH, light exposure per day, and plant mass, were determined using the design of experiments chemometric approach based on central composite design. Experiments conducted under the designated optimal conditions showed that after 7 days, the removal efficiency equals 88–98% in the case of W. arrhiza and 87–97% in the case of L. minor, while after 14 days of the experiment, these values are 93–99.6% and 89–98%, respectively. The primary mechanism responsible for removing CECs is the plant uptake, with the mean uptake rate constant equal to 0.299 day−1 and 0.277 day−1 for W. arrhiza and L. minor, respectively. Experiments conducted using municipal wastewater as a sample matrix showed that the treatment efficiency remains high (the average values 84% and 75%; in the case of raw wastewater, 93% and 89%, and in the case of treated wastewater, for W. arrhiza and L. minor, respectively). Landfill leachate significantly reduces plants' ability to remove pollutants (the average removal efficiency equals 59% and 56%, for W. arrhiza and L. minor, respectively).

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