Sulfonamides removal under different redox conditions and microbial response to sulfonamides stress during riverbank filtration: A laboratory column study
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چکیده
منابع مشابه
Adsorption of sulfonamides to demineralized pine wood biochars prepared under different thermochemical conditions.
The main objective of this study was to understand the key factors and mechanisms controlling adsorption of sulfonamides to biochars. Batch adsorption experiments were performed for sulfamethoxazole and sulfapyridine to three pine-wood biochars prepared under different thermochemical conditions: pyrolysis at 400 °C (C400) and 500 °C (C500), and pyrolysis at 500 °C followed with hydrogenation (C...
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A direct nitration of aromatic sulfonamides using sodium nitrite as the nitrating agent has been developed. The reaction shows typically mono-substitution selectivity and can be enlarged to the gram scale with good yield.
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CLINICAL VIGNETTE A 48-year-old man was referred to our clinic with high-grade intermittent fever for 8 days and a generalized rash for 3 days. Threeweeks before presentation, the patient had been started on 5 mg/d prednisolone, 50 mg of diclofenac twice daily, 20 mg/d omeprazole, and 2 g/d of sulfasalazine for symptomatic ankylosing spondylitis. During the initial evaluation, he was febrile (3...
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Sulfonamides and trimethoprim have been used for many decades as efficient and inexpensive antibacterial agents for animals and man. Resistance to both has, however, spread extensively and rapidly. This is mainly due to the horizontal spread of resistance genes, expressing drug-insensitive variants of the target enzymes dihydropteroate synthase and dihydrofolate reductase, for sulfonamide and t...
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This study investigated sorption and biodegradation behaviour of 14 organic micropollutants (OMP) in soil columns representative of the first metre (oxic conditions) of the river bank filtration (RBF) process. Breakthrough curves were modelled to differentiate between OMP sorption and biodegradation. The main objective of this study was to investigate if the OMP biodegradation rate could be rel...
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ژورنال
عنوان ژورنال: Chemosphere
سال: 2019
ISSN: 0045-6535
DOI: 10.1016/j.chemosphere.2018.12.167