Cylindrospermopsin is effectively degraded in water by pulsed
corona-like and dielectric barrier discharges

J 2020

Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges

SCHNEIDER, Marcel; Raphael RATAJ; Juergen F. KOLB a Luděk BLÁHA

Základní údaje

Originální název

Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges

Autoři

SCHNEIDER, Marcel; Raphael RATAJ; Juergen F. KOLB a Luděk BLÁHA

Vydání

Environmental Pollution, Oxford, Elsevier, 2020, 0269-7491

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10511 Environmental sciences

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 8.071

Označené pro přenos do RIV

Ano

Kód RIV

RIV/00216224:14310/20:00117216

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Cyanotoxin; CYN; DBD; Drinking water treatment; Non-thermal plasma

Štítky

143180, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 2. 6. 2025 16:00, Mgr. Michaela Hylsová, Ph.D.

Anotace

V originále

Cylindrospermopsin (CYN) is an important cyanobacterial toxin posing a major threat to surface waters during cyanobacterial blooms. Hence, methods for cyanotoxin removal are required to confront seasonal or local incidences to sustain the safety of potable water reservoirs. Non-thermal plasmas provide the possibility for an environmentally benign treatment which can be adapted to specific concentrations and environmental conditions without the need of additional chemicals. We therefore investigated the potential of two different non-thermal plasma approaches for CYN degradation, operated either in a water mist, i.e. in air, or submerged in water. A degradation efficacy of 0.03 +/- 0.00 g kWh(-1) L-1 was found for a dielectric barrier discharge (DBD) operated in air, while a submerged pulsed corona-like discharge resulted in an efficacy of 0.24 +/- 0.02 g kWh(-1) L-1. CYN degradation followed a pseudo zeroth order or pseudo first order reaction kinetic, respectively. Treatment efficacy of the corona-like discharge submerged in water increased with pH values of the initial solution changing from 5.0 to 7.5. Notably, a pH-depending residual oxidative effect was observed for the submerged discharge, resulting in ongoing CYN degradation, even without further plasma treatment. In this case hydroxyl radicals were identified as the dominant oxidants of CYN at acidic pH values. In comparison, degradation by the DBD could be related primarily to the generation of ozone.

Návaznosti

EF17_043/0009632, projekt VaV

Název: CETOCOEN Excellence

722493, interní kód MU

Název: Natural Toxins and Drinking Water Quality - From Source to Tap (Akronym: NaToxAq)

Investor: Evropská unie, Natural Toxins and Drinking Water Quality - From Source to Tap, MSCA Marie Skłodowska-Curie Actions (Excellent Science)

857560, interní kód MU
(Kód CEP: EF17_043/0009632)

Název: CETOCOEN Excellence (Akronym: CETOCOEN Excellence)

Investor: Evropská unie, CETOCOEN Excellence, Spreading excellence and widening participation

90121, velká výzkumná infrastruktura

Název: RECETOX RI

Přiložené soubory

1703377.pdf

Citovat

SCHNEIDER, Marcel; Raphael RATAJ; Juergen F. KOLB a Luděk BLÁHA. Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges. Environmental Pollution. Oxford: Elsevier, 2020, roč. 266, NOV 2020, s. 1-9. ISSN 0269-7491. Dostupné z: https://doi.org/10.1016/j.envpol.2020.115423.

@article{1703377,
   author = {Schneider, Marcel and Rataj, Raphael and Kolb, Juergen F. and Bláha, Luděk},
   article_location = {Oxford},
   article_number = {NOV 2020},
   doi = {https://doi.org/10.1016/j.envpol.2020.115423},
   keywords = {Cyanotoxin; CYN; DBD; Drinking water treatment; Non-thermal plasma},
   language = {eng},
   issn = {0269-7491},
   journal = {Environmental Pollution},
   note = {CZ.02.1.01/0.0/0.0/18_046/0015975 neuplatňovat.},
   title = {Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges},
   url = {https://doi.org/10.1016/j.envpol.2020.115423},
   volume = {266},
   year = {2020}
}

TY  - JOUR
ID  - 1703377
AU  - Schneider, Marcel - Rataj, Raphael - Kolb, Juergen F. - Bláha, Luděk
PY  - 2020
TI  - Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges
JF  - Environmental Pollution
VL  - 266
IS  - NOV 2020
SP  - 1-9
EP  - 1-9
PB  - Elsevier
SN  - 02697491
N1  - CZ.02.1.01/0.0/0.0/18_046/0015975 neuplatňovat.
KW  - Cyanotoxin
KW  - CYN
KW  - DBD
KW  - Drinking water treatment
KW  - Non-thermal plasma
UR  - https://doi.org/10.1016/j.envpol.2020.115423
L2  - https://doi.org/10.1016/j.envpol.2020.115423
N2  - Cylindrospermopsin (CYN) is an important cyanobacterial toxin posing a major threat to surface waters during cyanobacterial blooms. Hence, methods for cyanotoxin removal are required to confront seasonal or local incidences to sustain the safety of potable water reservoirs. Non-thermal plasmas provide the possibility for an environmentally benign treatment which can be adapted to specific concentrations and environmental conditions without the need of additional chemicals. We therefore investigated the potential of two different non-thermal plasma approaches for CYN degradation, operated either in a water mist, i.e. in air, or submerged in water. A degradation efficacy of 0.03 +/- 0.00 g kWh(-1) L-1 was found for a dielectric barrier discharge (DBD) operated in air, while a submerged pulsed corona-like discharge resulted in an efficacy of 0.24 +/- 0.02 g kWh(-1) L-1. CYN degradation followed a pseudo zeroth order or pseudo first order reaction kinetic, respectively. Treatment efficacy of the corona-like discharge submerged in water increased with pH values of the initial solution changing from 5.0 to 7.5. Notably, a pH-depending residual oxidative effect was observed for the submerged discharge, resulting in ongoing CYN degradation, even without further plasma treatment. In this case hydroxyl radicals were identified as the dominant oxidants of CYN at acidic pH values. In comparison, degradation by the DBD could be related primarily to the generation of ozone.
ER  -

SCHNEIDER, Marcel; Raphael RATAJ; Juergen F. KOLB a Luděk BLÁHA. Cylindrospermopsin is effectively degraded in water by pulsed corona-like and dielectric barrier discharges. \textit{Environmental Pollution}. Oxford: Elsevier, 2020, roč.~266, NOV 2020, s.~1-9. ISSN~0269-7491. Dostupné z: https://doi.org/10.1016/j.envpol.2020.115423.

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