Effect of UV-A-assisted iron-based and UV-C-driven oxidation processes on organic matter and antibiotic resistance removal in tertiary treated urban wastewater

Arslan-Alaton, İdil; Karataş, Ayten Yazgan; Pehlivan, Öznur; Ucun, Olga Koba; Ölmez-Hancı, Tuğba

doi:10.1016/j.cattod.2020.02.037

Cited by 31 publications

(22 citation statements)

References 56 publications

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“…UV-C driven SR-AOPs have been studied for the degradation of different contaminants and for the inactivation of several pathogens, but only few studies involve the use of complex matrices [ 14 , 15 , 31 , 32 , 33 ]. Mahdi-Ahmed et al (2014) reported Ciprofloxacin (CIP) oxidation by UV-based AOPs, comparing the performances of three oxidants, PMS, PS, and H 2 O 2 in DW and UWW.…”

Section: Resultsmentioning

confidence: 99%

“…in UWW by PMS (1 mmol/L)/UV-C radiation. The high oxidant concentration used in the present work was selected considering previous studies [ 32 , 35 , 36 ]. Arslan-Alanton et al (2021) could not detect quantifiable DNA for the genes 16S rRNA , aphA and tetA as a result of the application of PMS/UV-C treatment at a concentration of 2 mmol/L of oxidant in tertiary treated UWW [ 32 ].…”

Section: Resultsmentioning

confidence: 99%

“…The high oxidant concentration used in the present work was selected considering previous studies [ 32 , 35 , 36 ]. Arslan-Alanton et al (2021) could not detect quantifiable DNA for the genes 16S rRNA , aphA and tetA as a result of the application of PMS/UV-C treatment at a concentration of 2 mmol/L of oxidant in tertiary treated UWW [ 32 ]. In addition, a review by Michael-Kordatou et al (2018) determined that the necessary concentration of oxidant for the removal of ARGs in wastewater effluents using different advanced chemical oxidation processes is higher than the corresponding concentration to inactivate ARB [ 35 ].…”

Section: Resultsmentioning

confidence: 99%

“…Likewise, Arslon-Alanton et al (2021) reported the LOQ for genes 16S rRNA , aphA, and tetA after the treatment of 500 mL of tertiary UWW with UV-C (0.45 W/m 2 ) and the oxidant PMS (2 mmol/L) at a contact time of 80 min. The authors also compared the application of the treatment UV-C alone, obtaining only a removal rate of 3.27 ± 0.07 log for 16S rRNA and 2.99 ± 0.44 log for aphA , concluding that the addition of strong oxidation agents such as PMS enhances the removal of ARGs in tertiary UWW [ 32 ].…”

Section: Resultsmentioning

confidence: 99%

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UV-C Peroxymonosulfate Activation for Wastewater Regeneration: Simultaneous Inactivation of Pathogens and Degradation of Contaminants of Emerging Concern

et al. 2021

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This study explores the capability of Sulfate Radical-based Advanced Oxidation Processes (SR-AOPs) for the simultaneous disinfection and decontamination of urban wastewater. Sulfate and hydroxyl radicals in solution were generated activating peroxymonosulfate (PMS) under UV-C irradiation at pilot plant scale. The efficiency of the process was assessed toward the removal of three CECs (Trimethoprim (TMP), Sulfamethoxazole (SMX), and Diclofenac (DCF)) and three bacteria (Escherichia coli, Enterococcus spp., and Pseudomonas spp.) in actual urban wastewater (UWW), obtaining the optimal value of PMS at 0.5 mmol/L. Under such experimental conditions, bacterial concentration ≤ 10 CFU/100 mL was reached after 15 min of UV-C treatment (0.03 kJ/L of accumulative UV-C radiation) for natural occurring bacteria, no bacterial regrowth was observed after 24 and 48 h, and 80 % removal of total CECs was achieved after 12 min (0.03 kJ/L), with a release of sulfate ions far from the limit established in wastewater discharge. Moreover, the inactivation of Ampicillin (AMP), Ciprofloxacin (CPX), and Trimethoprim (TMP) antibiotic-resistant bacteria (ARB) and reduction of target genes (ARGs) were successfully achieved. Finally, a harmful effect toward the receiving aquatic environment was not observed according to Aliivibrio fischeri toxicity tests, while a slightly toxic effect toward plant growth (phytotoxicity tests) was detected. As a conclusion, a cost analysis demonstrated that the process could be feasible and a promising alternative to successfully address wastewater reuse challenges.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

UV-C Peroxymonosulfate Activation for Wastewater Regeneration: Simultaneous Inactivation of Pathogens and Degradation of Contaminants of Emerging Concern

et al. 2021

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“…130 A recent article reported that using UVC-driven PC can effectively inactivate ampicillin-, kanamycin-, and tetracycline-resistant multi-drug-resistant E. coli (>6.5 log) (an initial concentration of 8 log) within 80 min, and can effectively remove aphA (kanamycin resistance gene) and tetA (tetracycline resistance gene) (>3.0 log) (an initial concentration of 8 log) within 80 min. 92 PEC is an improved advanced oxidation processes based on PC; it applies a potential bias to timely remove the photogenerated electrons, suppressing the recombination of photoelectrons with photoholes. 131,132 This leads to a longer lifetime of the charge and therefore improves the photocatalytic activity.…”

Section: Advances In Water Disinfection Technologies In Removing Arb ...mentioning

confidence: 99%

Traditional and Emerging Water Disinfection Technologies Challenging the Control of Antibiotic-Resistant Bacteria and Antibiotic Resistance Genes

Cai

Sun

et al. 2021

ACS EST Eng.

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The emergence of antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs) in the environment has created obstacles when treating infectious diseases with antibiotics. Wastewater treatment plants (WWTPs) serve as reservoirs for ARB and ARGs and can disseminate them into the environment. It is important to understand and address these risks. Generally, professional disinfection processes have been used in WWTPs to disinfect the target water body, with the goal of eliminating pathogenic microorganisms in the water. However, ARGs are not generally considered, and antibiotic resistance has spread and developed through horizontal gene transfer (HGT). This Review provides a detailed overview of the application progress of different traditional and new disinfection technologies in removing ARB and ARGs, mainly focusing on the bacterial inactivation mechanisms of chlorination, ozonation, ultraviolet (UV) (including UVA, UVB, and UVC), sunlight, sunlight-dissolved organic matter (DOM), and photocatalysis (PC)/photoelectrocatalysis (PEC). In addition, this Review also focuses on the disinfection technology involved in the transfer of ARGs and clarifies the underlying transfer mechanisms in water environments. Furthermore, by linking the mechanisms of bacterial inactivation, the Review describes how SOS response and cell membrane permeability may be the key step in the conjugation, transformation, and transduction of ARGs. Finally, given the applications and current problems associated with traditional water disinfection technologies and light-based disinfection technologies in removing and controlling ARB and ARGs, this Review describes the current challenges and opportunities to facilitate the development of future disinfection technologies. The Review also highlights future research directions related to ARG transmission control.

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Preparation of a Bi₂MoO₆/Bi₂Sn₂O₇ Composite Photocatalyst and Its Photocatalytic Performance and Toxicity Test

Zhang

Huang

et al. 2022

ChemistrySelect

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In this study, a three-dimensional(3D) hierarchical Bi 2 MoO 6 / Bi 2 Sn 2 O 7 composite photocatalytic material was synthesized by a solvothermal method. It was proved that the photocatalytic activity of Bi 2 MoO 6 /Bi 2 Sn 2 O 7 composites for the degradation of Rhodamine B(RhB) and Tetracycline (TC) was much higher than that of pure Bi 2 MoO 6 and pure Bi 2 Sn 2 O 7 under LED irradiation. Among them, Bi 2 MoO 6 /Bi 2 Sn 2 O 7 had the best photocatalytic activity, and the photodegradation efficiency of RhB and TC reached 95.28 % and 87.45 %, respectively. After five cycles of degradation of RHB and TC solutions, the composite still maintained good photocatalytic activity. Through the free radical trapping experiment, it was concluded that O 2 À and h + were the main active substances for the degradation of organic compounds by composite photocatalyst. Through the plant toxicity test, it was proved that the composite didn't affect the normal growth of the plant. Therefore, this study provides a new material for the treatment of organic wastewater in production and life, which has important environmental protection significance.

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Effect of UV-A-assisted iron-based and UV-C-driven oxidation processes on organic matter and antibiotic resistance removal in tertiary treated urban wastewater

Cited by 31 publications

References 56 publications

UV-C Peroxymonosulfate Activation for Wastewater Regeneration: Simultaneous Inactivation of Pathogens and Degradation of Contaminants of Emerging Concern

UV-C Peroxymonosulfate Activation for Wastewater Regeneration: Simultaneous Inactivation of Pathogens and Degradation of Contaminants of Emerging Concern

Traditional and Emerging Water Disinfection Technologies Challenging the Control of Antibiotic-Resistant Bacteria and Antibiotic Resistance Genes

Preparation of a Bi₂MoO₆/Bi₂Sn₂O₇ Composite Photocatalyst and Its Photocatalytic Performance and Toxicity Test

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Effect of UV-A-assisted iron-based and UV-C-driven oxidation processes on organic matter and antibiotic resistance removal in tertiary treated urban wastewater

Cited by 31 publications

References 56 publications

UV-C Peroxymonosulfate Activation for Wastewater Regeneration: Simultaneous Inactivation of Pathogens and Degradation of Contaminants of Emerging Concern

UV-C Peroxymonosulfate Activation for Wastewater Regeneration: Simultaneous Inactivation of Pathogens and Degradation of Contaminants of Emerging Concern

Traditional and Emerging Water Disinfection Technologies Challenging the Control of Antibiotic-Resistant Bacteria and Antibiotic Resistance Genes

Preparation of a Bi2MoO6/Bi2Sn2O7 Composite Photocatalyst and Its Photocatalytic Performance and Toxicity Test

Contact Info

Product

Resources

About

Preparation of a Bi₂MoO₆/Bi₂Sn₂O₇ Composite Photocatalyst and Its Photocatalytic Performance and Toxicity Test