Degradation of sulfadimethoxine by permanganate in aquatic environment: Influence factors, intermediate products and theoretical study

Zhuang, Jugui; Wang, Siyuan; Tan, Yi; Xiao, Runmin; Chen, Jing; Wang, Xinghao; Jiang, Lijuan; Wang, Zunyao

doi:10.1016/j.scitotenv.2019.03.277

Cited by 41 publications

(14 citation statements)

References 47 publications

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“…The acute and chronic toxicity of DS and its degradation intermediates on three aquatic organisms (fish, Daphnia, and green algae) during the UV/chlorine process were predicted by the ecological structure-activity relationships (ECOSAR, EPA) simulation program (version 1.11) (Li et al 2019;Zhuang et al 2019).…”

Section: Measurement Of Acute Toxicity and Genetic Toxicitymentioning

confidence: 99%

Degradation of Diclofenac Sodium by the UV/Chlorine Process: Reaction Mechanism, Influencing Factors and Toxicity Evaluation

Lai

et al. 2021

Preprint

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This study examined the reaction mechanism, influencing factors and toxicity of diclofenac sodium (DS) degradation by ultraviolet (UV)/chlorine process. The UV/chlorine was capable of eliminating DS from water. The DS degradation during the UV/chlorine process followed a pseudo-first-order kinetic model that was influenced by chlorine dosage, solution pH, humic acid and bicarbonate concentrations. The free chlorine affects not only DS elimination, but the contribution of various active species as well. Increasing free chlorine dosage from 1 to 7 mg·L-1 increased the first-order rate constant of NaClO, ·OH and reactive chlorine species (RCS) from 0.00063, 0.00328 and 0.00203 min−1 to 0.00233, 0.0101 and 0.0974 min−1, respectively, and increased the contribution of RCS from 8.20% to 75.71%, while the contribution of UV, NaClO, and ·OH were declined from 76.02%, 2.54% and 13.24% to 14.63%, 1.81%, and 7.85%, respectively. The contribution of RCS became increasingly prominence with the increment of free chlorine dosage. The kobs,UV/chlorine,DS value decreased from 0.0797 to 0.0445 min-1 as pH increased from 5.0 to 8.0. The presence of bicarbonate and natural organic matter both exerted an inhibitory effect on DS degradation. Eleven intermediate products were identified and the degradation pathway involved C-N cleavage, condensation, hydroxylation, and decarboxylation was proposed. The UV/chlorine process effectively reduced acute toxicity and was superior to chlorination. The genotoxicity induced by a chlorinated solution treated by the UV/chlorine process exhibited negative genotoxicity. These results show that the UV/chlorine process is capable for the degradation and detoxification of DS.

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Section: Measurement Of Acute Toxicity and Genetic Toxicitymentioning

confidence: 99%

Degradation of Diclofenac Sodium by the UV/Chlorine Process: Reaction Mechanism, Influencing Factors and Toxicity Evaluation

Lai

et al. 2021

Preprint

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“…Sulfadimethoxine (SMX -Figure 4) is a broad-spectrum antibiotic used in human therapy, aquaculture, livestock, and veterinary medicine. Although its use is decreasing in humans, its low cost secures its popularity in veterinary medicine [21].…”

Section: Sulfonamidesmentioning

confidence: 99%

“…Traditional removal processes only based on chemical reactions tend to be replaced by the so-called AOPs (advance oxidation processes) but some of them remains in use. For instance, [21] demonstrated that sulfadimethoxine can be removed by potassium permanganate in water. The degradation is affected by the pH of the solution and a higher temperature is also beneficial for the removal [21].…”

Section: Treatment Processesmentioning

confidence: 99%

A Review on the Main Antibiotic Drugs Used in Fish Farming: Ecotoxicity, Characterization and Remediation

2021

Aquac Fish Stud

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Aquaculture is a growing industry with a high demand mainly due to its significant contribution to the food sector. One of the main challenges of aquaculture is the prevention and treatment of fish diseases through the extensive application of antibiotics. However, information on the various consequences of pharmaceuticals in fish farms remains limited to this day. Based on the existing scientific literature, this report aims to give an overview of the most commonly used antibiotics in aquaculture, which belong to the groups of quinolones, sulfonamides, tetracyclines, amphenicols and macrolides. This review paper summarizes the information available on the characterization, ecotoxicology and application of florfenicol, erythromycin, furazolidone, oxolinic acid, ciprofloxacin, ofloxacin, sulfadiazine, sulfadimethoxine, sulfamethoxazole, oxytetracycline and tetracycline.

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“…For example, furacilin enters the human body through food and may cause cancer with long-term consumption ( Hu et al, 2010 ). Similarly, the commonly used sulfonamide antibiotic sulfadimethoxine has tumorigenic effects ( Zhuang et al, 2019 ). According to the classification of chemical structure, antibiotics can be roughly divided into quinolone antibiotics, sulfonamide antibiotics, chloramphenicol antibiotics, aminoglycoside antibiotics, beta-lactam antibiotics and tetracycline antibiotics ( Sharaha et al, 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Graphene-Assisted Sensor for Rapid Detection of Antibiotic Resistance in Escherichia coli

Sun

2021

Front. Chem.

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In recent years, antibiotic-resistant bacteria caused by antibiotic abuse in the medical industry have become a new environmental pollutant that endangers public health. Therefore, it is necessary to establish a detection method for evaluating drug-resistant bacteria. In this work, we used Escherichia coli as a target model and proposed a method to evaluate its drug resistance for three antibiotics. Graphene dispersion was used to co-mix with E. coli cells for the purpose of increasing the current signal. This electrochemical-based sensor allows the evaluation of the activity of E. coli on the electrode surface. When antibiotics were present, the electrocatalytic reduction signal was diminished because of the reduced activity of E. coli. Based on the difference in the electrochemical reduction signal, we can evaluate the antibiotic resistance of different E. coli strains.

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Degradation of sulfadimethoxine by permanganate in aquatic environment: Influence factors, intermediate products and theoretical study

Cited by 41 publications

References 47 publications

Degradation of Diclofenac Sodium by the UV/Chlorine Process: Reaction Mechanism, Influencing Factors and Toxicity Evaluation

Degradation of Diclofenac Sodium by the UV/Chlorine Process: Reaction Mechanism, Influencing Factors and Toxicity Evaluation

A Review on the Main Antibiotic Drugs Used in Fish Farming: Ecotoxicity, Characterization and Remediation

Graphene-Assisted Sensor for Rapid Detection of Antibiotic Resistance in Escherichia coli

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