Oxidation of antibiotics by ferrate(VI) in water: Evaluation of their removal efficiency and toxicity changes
Antibiotics in water and wastewater have been determined extensively. The treatment of antibiotics in water needs evaluation of possible harmful effects on aquatic ecosystems and human health. This paper presents the toxicity evaluation of antibiotics after their treatment with ferrate (VI) (FeVIO42...
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| Veröffentlicht in: | Chemosphere (Oxford) 2021-08, Vol.277, p.130365-130365, Article 130365 |
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| creator | Kovalakova, Pavla Cizmas, Leslie Feng, Mingbao McDonald, Thomas J. Marsalek, Blahoslav Sharma, Virender K. |
| description | Antibiotics in water and wastewater have been determined extensively. The treatment of antibiotics in water needs evaluation of possible harmful effects on aquatic ecosystems and human health. This paper presents the toxicity evaluation of antibiotics after their treatment with ferrate (VI) (FeVIO42−, Fe(VI)) in water. The antibiotics (sulfamethoxazole (SMX), erythromycin (ERY), ofloxacin (OFL), ciprofloxacin (CIP), tetracycline (TET), oxytetracycline (OXY), and trimethoprim (TMP)) were treated at pH 8.0 by applying two concentrations of Fe(VI) to have molar ratios of 5:1 and 10:1 ([Fe(VI)]:[antibiotic]). Under the studied conditions, incomplete removal of antibiotics was observed, suggesting that the treated solutions contained parent antibiotics and their transformation products. The toxicity of antibiotics without Fe(VI) treatment was tested against freshwater green alga Raphidocelis subcapitata and cyanobacterium Synechococcus elongatus, which were determined to be generally sensitive to antibiotics, with EC50 |
| doi_str_mv | 10.1016/j.chemosphere.2021.130365 |
| format | Article |
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•Studied antibiotics have EC50 < 1.0 mg/L against R. subcapitata and S. elongatus.•Excess Fe(VI) compared to antibiotics has high removal efficiency at pH 8.0•Excess Fe(VI) treatment of antibiotics gave varied decreases in algal toxicity.•OFL, CIP, and OXY lose algal toxicity after excess Fe(VI) treatment.•SMX, ERY, TET, and their degradation byproducts remain toxic after Fe(VI) treatment.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2021.130365</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Algae ; Antibiotics ; Cyanobacteria ; Ecotoxicity ; Ferrate ; Oxidation</subject><ispartof>Chemosphere (Oxford), 2021-08, Vol.277, p.130365-130365, Article 130365</ispartof><rights>2021 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-b676dedfac8282fc4ca85e31b9ffcdc67029613c3a803f9b66d29debb093ebbf3</citedby><cites>FETCH-LOGICAL-c405t-b676dedfac8282fc4ca85e31b9ffcdc67029613c3a803f9b66d29debb093ebbf3</cites><orcidid>0000-0001-8294-5101 ; 0000-0002-5980-8675</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.chemosphere.2021.130365$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Kovalakova, Pavla</creatorcontrib><creatorcontrib>Cizmas, Leslie</creatorcontrib><creatorcontrib>Feng, Mingbao</creatorcontrib><creatorcontrib>McDonald, Thomas J.</creatorcontrib><creatorcontrib>Marsalek, Blahoslav</creatorcontrib><creatorcontrib>Sharma, Virender K.</creatorcontrib><title>Oxidation of antibiotics by ferrate(VI) in water: Evaluation of their removal efficiency and toxicity changes</title><title>Chemosphere (Oxford)</title><description>Antibiotics in water and wastewater have been determined extensively. The treatment of antibiotics in water needs evaluation of possible harmful effects on aquatic ecosystems and human health. This paper presents the toxicity evaluation of antibiotics after their treatment with ferrate (VI) (FeVIO42−, Fe(VI)) in water. The antibiotics (sulfamethoxazole (SMX), erythromycin (ERY), ofloxacin (OFL), ciprofloxacin (CIP), tetracycline (TET), oxytetracycline (OXY), and trimethoprim (TMP)) were treated at pH 8.0 by applying two concentrations of Fe(VI) to have molar ratios of 5:1 and 10:1 ([Fe(VI)]:[antibiotic]). Under the studied conditions, incomplete removal of antibiotics was observed, suggesting that the treated solutions contained parent antibiotics and their transformation products. The toxicity of antibiotics without Fe(VI) treatment was tested against freshwater green alga Raphidocelis subcapitata and cyanobacterium Synechococcus elongatus, which were determined to be generally sensitive to antibiotics, with EC50 < 1.0 mg/L. The toxicity of Fe(VI) treated solution was tested against R. subcapitata. Results found no toxicity for the treated solutions of OFL, CIP, and OXY. However, SMX, ERY, and TET remained toxic after Fe(VI) treatment (i.e., more than 75% growth inhibition of R. subcapitata). Results demonstrated that R. subcapitata may be applied to test the toxicity of antibiotics after oxidative treatments.
[Display omitted]
•Studied antibiotics have EC50 < 1.0 mg/L against R. subcapitata and S. elongatus.•Excess Fe(VI) compared to antibiotics has high removal efficiency at pH 8.0•Excess Fe(VI) treatment of antibiotics gave varied decreases in algal toxicity.•OFL, CIP, and OXY lose algal toxicity after excess Fe(VI) treatment.•SMX, ERY, TET, and their degradation byproducts remain toxic after Fe(VI) treatment.</description><subject>Algae</subject><subject>Antibiotics</subject><subject>Cyanobacteria</subject><subject>Ecotoxicity</subject><subject>Ferrate</subject><subject>Oxidation</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNUE1PAyEUJEYTa_U_4K0etsJS6OLNNH40MfGiXgkLD0vTLhWodv-9aI3x6OV9ZWbyZhA6p2RMCRWXy7FZwDqkzQIijGtS0zFlhAl-gAa0mcqK1rI5RANCJrwSnPFjdJLSkpBC5nKA1o87b3X2ocPBYd1l3_qQvUm47bGDGHWG0cv8AvsOf5Q5XuGbd73a_lLyAnzEsfxQzhic88ZDZ_qiZXEOu7LmHpuF7l4hnaIjp1cJzn76ED3f3jzN7quHx7v57PqhMhPCc9WKqbBgnTZN3dTOTIxuODDaSueMNWJKaikoM0w3hDnZCmFraaFtiWSlOjZEo73uJoa3LaSs1j4ZWK10B2GbVM0FnTSCNLxA5R5qYkgpglOb6Nc69ooS9RWxWqo_EauviNU-4sKd7blQvLx7iCp9mwfrI5isbPD_UPkEmSiNkw</recordid><startdate>202108</startdate><enddate>202108</enddate><creator>Kovalakova, Pavla</creator><creator>Cizmas, Leslie</creator><creator>Feng, Mingbao</creator><creator>McDonald, Thomas J.</creator><creator>Marsalek, Blahoslav</creator><creator>Sharma, Virender K.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-8294-5101</orcidid><orcidid>https://orcid.org/0000-0002-5980-8675</orcidid></search><sort><creationdate>202108</creationdate><title>Oxidation of antibiotics by ferrate(VI) in water: Evaluation of their removal efficiency and toxicity changes</title><author>Kovalakova, Pavla ; Cizmas, Leslie ; Feng, Mingbao ; McDonald, Thomas J. ; Marsalek, Blahoslav ; Sharma, Virender K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-b676dedfac8282fc4ca85e31b9ffcdc67029613c3a803f9b66d29debb093ebbf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Algae</topic><topic>Antibiotics</topic><topic>Cyanobacteria</topic><topic>Ecotoxicity</topic><topic>Ferrate</topic><topic>Oxidation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kovalakova, Pavla</creatorcontrib><creatorcontrib>Cizmas, Leslie</creatorcontrib><creatorcontrib>Feng, Mingbao</creatorcontrib><creatorcontrib>McDonald, Thomas J.</creatorcontrib><creatorcontrib>Marsalek, Blahoslav</creatorcontrib><creatorcontrib>Sharma, Virender K.</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kovalakova, Pavla</au><au>Cizmas, Leslie</au><au>Feng, Mingbao</au><au>McDonald, Thomas J.</au><au>Marsalek, Blahoslav</au><au>Sharma, Virender K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxidation of antibiotics by ferrate(VI) in water: Evaluation of their removal efficiency and toxicity changes</atitle><jtitle>Chemosphere (Oxford)</jtitle><date>2021-08</date><risdate>2021</risdate><volume>277</volume><spage>130365</spage><epage>130365</epage><pages>130365-130365</pages><artnum>130365</artnum><issn>0045-6535</issn><eissn>1879-1298</eissn><abstract>Antibiotics in water and wastewater have been determined extensively. The treatment of antibiotics in water needs evaluation of possible harmful effects on aquatic ecosystems and human health. This paper presents the toxicity evaluation of antibiotics after their treatment with ferrate (VI) (FeVIO42−, Fe(VI)) in water. The antibiotics (sulfamethoxazole (SMX), erythromycin (ERY), ofloxacin (OFL), ciprofloxacin (CIP), tetracycline (TET), oxytetracycline (OXY), and trimethoprim (TMP)) were treated at pH 8.0 by applying two concentrations of Fe(VI) to have molar ratios of 5:1 and 10:1 ([Fe(VI)]:[antibiotic]). Under the studied conditions, incomplete removal of antibiotics was observed, suggesting that the treated solutions contained parent antibiotics and their transformation products. The toxicity of antibiotics without Fe(VI) treatment was tested against freshwater green alga Raphidocelis subcapitata and cyanobacterium Synechococcus elongatus, which were determined to be generally sensitive to antibiotics, with EC50 < 1.0 mg/L. The toxicity of Fe(VI) treated solution was tested against R. subcapitata. Results found no toxicity for the treated solutions of OFL, CIP, and OXY. However, SMX, ERY, and TET remained toxic after Fe(VI) treatment (i.e., more than 75% growth inhibition of R. subcapitata). Results demonstrated that R. subcapitata may be applied to test the toxicity of antibiotics after oxidative treatments.
[Display omitted]
•Studied antibiotics have EC50 < 1.0 mg/L against R. subcapitata and S. elongatus.•Excess Fe(VI) compared to antibiotics has high removal efficiency at pH 8.0•Excess Fe(VI) treatment of antibiotics gave varied decreases in algal toxicity.•OFL, CIP, and OXY lose algal toxicity after excess Fe(VI) treatment.•SMX, ERY, TET, and their degradation byproducts remain toxic after Fe(VI) treatment.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.chemosphere.2021.130365</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-8294-5101</orcidid><orcidid>https://orcid.org/0000-0002-5980-8675</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Algae Antibiotics Cyanobacteria Ecotoxicity Ferrate Oxidation |
| title | Oxidation of antibiotics by ferrate(VI) in water: Evaluation of their removal efficiency and toxicity changes |
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