Electro-oxidation of ceftazidime in real municipal wastewater using PbO2–Ce and SnO2–Sb electrodes: influence of electrolyte and degradation pathway
Ceftazidime was selected as target pollutant for electrochemical degradation on two most typical dimensional stable anodes Ti/PbO 2 –Ce and Ti/SnO 2 –Sb due to its broad persistence in environment. Degradation experiments were conducted through spiking 5 mg L −1 ceftazidime in real secondary effluen...
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| Veröffentlicht in: | Journal of applied electrochemistry 2021-02, Vol.51 (2), p.183-195 |
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| creator | Duan, Pingzhou Jia, Xiaobo Lin, Jianing Xia, Rui |
| description | Ceftazidime was selected as target pollutant for electrochemical degradation on two most typical dimensional stable anodes Ti/PbO
2
–Ce and Ti/SnO
2
–Sb due to its broad persistence in environment. Degradation experiments were conducted through spiking 5 mg L
−1
ceftazidime in real secondary effluents and evaluating the residual antibiotics or COD after 1 h and 4 h electrolysis, respectively. The morphology, composition and electrochemical characteristics of the anodes were compared and it was demonstrated that Ti/SnO
2
–Sb performed the highest degradation rate because of its superior hydroxyl (·OH) production capability and Ti/PbO
2
–Ce was regarded as the most stable anode proved by stability tests in 0.5 M aqueous H
2
SO
4
with an anodic current density of 1.0 A. As high as 99.37% of ceftazidime degradation and 95.52% COD removal was achieved on Ti/SnO
2
–Sb anode under a current of 4 mA cm
−1
, compared with 75.15% ceftazidime degradation and 83.54% COD removal on Ti/PbO
2
–Ce. The effects of NaCl and humic acid (HA) in electrolyte were mainly investigated because their existence could interfere the electrochemical degradation process. The experiment results showed NaCl concentration can significantly enhance the oxidation rate with 99% removal within 5 min of treatment on Ti/SnO
2
–Sb anode, while humic acid concentration is a parameter that inhibited electrochemical catalyzing. Therefore, the degradation efficiency of spiked ceftazidime in real wastewater was evaluated. The last lead to the identification of intermediates during 150 min degradation process and a pathway scheme of ceftazidime was proposed.
Graphic abstract |
| doi_str_mv | 10.1007/s10800-020-01482-5 |
| format | Article |
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2
–Ce and Ti/SnO
2
–Sb due to its broad persistence in environment. Degradation experiments were conducted through spiking 5 mg L
−1
ceftazidime in real secondary effluents and evaluating the residual antibiotics or COD after 1 h and 4 h electrolysis, respectively. The morphology, composition and electrochemical characteristics of the anodes were compared and it was demonstrated that Ti/SnO
2
–Sb performed the highest degradation rate because of its superior hydroxyl (·OH) production capability and Ti/PbO
2
–Ce was regarded as the most stable anode proved by stability tests in 0.5 M aqueous H
2
SO
4
with an anodic current density of 1.0 A. As high as 99.37% of ceftazidime degradation and 95.52% COD removal was achieved on Ti/SnO
2
–Sb anode under a current of 4 mA cm
−1
, compared with 75.15% ceftazidime degradation and 83.54% COD removal on Ti/PbO
2
–Ce. The effects of NaCl and humic acid (HA) in electrolyte were mainly investigated because their existence could interfere the electrochemical degradation process. The experiment results showed NaCl concentration can significantly enhance the oxidation rate with 99% removal within 5 min of treatment on Ti/SnO
2
–Sb anode, while humic acid concentration is a parameter that inhibited electrochemical catalyzing. Therefore, the degradation efficiency of spiked ceftazidime in real wastewater was evaluated. The last lead to the identification of intermediates during 150 min degradation process and a pathway scheme of ceftazidime was proposed.
Graphic abstract</description><identifier>ISSN: 0021-891X</identifier><identifier>EISSN: 1572-8838</identifier><identifier>DOI: 10.1007/s10800-020-01482-5</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Antibiotics ; Chemistry ; Chemistry and Materials Science ; Corrosion inhibitors ; Degradation ; Dimensionally stable anodes ; Electrochemistry ; Electrolysis ; Electrolytes ; Humic acids ; Industrial Chemistry/Chemical Engineering ; Lead oxides ; Morphology ; Oxidation ; Oxidation rate ; Physical Chemistry ; Pollutants ; Remediation ; Research Article ; Stability tests ; Sulfuric acid ; Tin dioxide ; Wastewater</subject><ispartof>Journal of applied electrochemistry, 2021-02, Vol.51 (2), p.183-195</ispartof><rights>Springer Nature B.V. 2020</rights><rights>Springer Nature B.V. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-3758ee3b3edfca293ca6aacb907cd1df661438ae08d9af2a52492542abd7309f3</citedby><cites>FETCH-LOGICAL-c356t-3758ee3b3edfca293ca6aacb907cd1df661438ae08d9af2a52492542abd7309f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10800-020-01482-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10800-020-01482-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>Duan, Pingzhou</creatorcontrib><creatorcontrib>Jia, Xiaobo</creatorcontrib><creatorcontrib>Lin, Jianing</creatorcontrib><creatorcontrib>Xia, Rui</creatorcontrib><title>Electro-oxidation of ceftazidime in real municipal wastewater using PbO2–Ce and SnO2–Sb electrodes: influence of electrolyte and degradation pathway</title><title>Journal of applied electrochemistry</title><addtitle>J Appl Electrochem</addtitle><description>Ceftazidime was selected as target pollutant for electrochemical degradation on two most typical dimensional stable anodes Ti/PbO
2
–Ce and Ti/SnO
2
–Sb due to its broad persistence in environment. Degradation experiments were conducted through spiking 5 mg L
−1
ceftazidime in real secondary effluents and evaluating the residual antibiotics or COD after 1 h and 4 h electrolysis, respectively. The morphology, composition and electrochemical characteristics of the anodes were compared and it was demonstrated that Ti/SnO
2
–Sb performed the highest degradation rate because of its superior hydroxyl (·OH) production capability and Ti/PbO
2
–Ce was regarded as the most stable anode proved by stability tests in 0.5 M aqueous H
2
SO
4
with an anodic current density of 1.0 A. As high as 99.37% of ceftazidime degradation and 95.52% COD removal was achieved on Ti/SnO
2
–Sb anode under a current of 4 mA cm
−1
, compared with 75.15% ceftazidime degradation and 83.54% COD removal on Ti/PbO
2
–Ce. The effects of NaCl and humic acid (HA) in electrolyte were mainly investigated because their existence could interfere the electrochemical degradation process. The experiment results showed NaCl concentration can significantly enhance the oxidation rate with 99% removal within 5 min of treatment on Ti/SnO
2
–Sb anode, while humic acid concentration is a parameter that inhibited electrochemical catalyzing. Therefore, the degradation efficiency of spiked ceftazidime in real wastewater was evaluated. The last lead to the identification of intermediates during 150 min degradation process and a pathway scheme of ceftazidime was proposed.
Graphic abstract</description><subject>Antibiotics</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Corrosion inhibitors</subject><subject>Degradation</subject><subject>Dimensionally stable anodes</subject><subject>Electrochemistry</subject><subject>Electrolysis</subject><subject>Electrolytes</subject><subject>Humic acids</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Lead oxides</subject><subject>Morphology</subject><subject>Oxidation</subject><subject>Oxidation rate</subject><subject>Physical Chemistry</subject><subject>Pollutants</subject><subject>Remediation</subject><subject>Research Article</subject><subject>Stability tests</subject><subject>Sulfuric acid</subject><subject>Tin dioxide</subject><subject>Wastewater</subject><issn>0021-891X</issn><issn>1572-8838</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kc-KFDEQxoMoOK6-gKeA59ZK0n_S3mRY_8DCCqvgLVQnlTFLT3pM0ozjyXfw4vP5JPZuD3jzUFQV9X2_OnyMPRfwUgB0r7IADVCBXErUWlbNA7YRTScrrZV-yDYAUlS6F18esyc53wJAL9t6w35fjmRLmqrpe3BYwhT55LklX_BHcGFPPESeCEe-n2Ow4bBMR8yFjlgo8TmHuOMfh2v55-evLXGMjt_E--1m4LSyHeXXC8aPM0VLd_zzYTyV1eJol_D8_oDl6xFPT9kjj2OmZ-d-wT6_vfy0fV9dXb_7sH1zVVnVtKVSXaOJ1KDIeYuyVxZbRDv00FknnG9bUSuNBNr16CU2su5lU0scXKeg9-qCvVi5hzR9mykXczvNKS4vjay1Fr0CoRaVXFU2TTkn8uaQwh7TyQgwdwmYNQGzJGDuEzDNYlKrKS_iuKP0D_0f11-vVY4d</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Duan, Pingzhou</creator><creator>Jia, Xiaobo</creator><creator>Lin, Jianing</creator><creator>Xia, Rui</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20210201</creationdate><title>Electro-oxidation of ceftazidime in real municipal wastewater using PbO2–Ce and SnO2–Sb electrodes: influence of electrolyte and degradation pathway</title><author>Duan, Pingzhou ; Jia, Xiaobo ; Lin, Jianing ; Xia, Rui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-3758ee3b3edfca293ca6aacb907cd1df661438ae08d9af2a52492542abd7309f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Antibiotics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Corrosion inhibitors</topic><topic>Degradation</topic><topic>Dimensionally stable anodes</topic><topic>Electrochemistry</topic><topic>Electrolysis</topic><topic>Electrolytes</topic><topic>Humic acids</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Lead oxides</topic><topic>Morphology</topic><topic>Oxidation</topic><topic>Oxidation rate</topic><topic>Physical Chemistry</topic><topic>Pollutants</topic><topic>Remediation</topic><topic>Research Article</topic><topic>Stability tests</topic><topic>Sulfuric acid</topic><topic>Tin dioxide</topic><topic>Wastewater</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Duan, Pingzhou</creatorcontrib><creatorcontrib>Jia, Xiaobo</creatorcontrib><creatorcontrib>Lin, Jianing</creatorcontrib><creatorcontrib>Xia, Rui</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of applied electrochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Duan, Pingzhou</au><au>Jia, Xiaobo</au><au>Lin, Jianing</au><au>Xia, Rui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electro-oxidation of ceftazidime in real municipal wastewater using PbO2–Ce and SnO2–Sb electrodes: influence of electrolyte and degradation pathway</atitle><jtitle>Journal of applied electrochemistry</jtitle><stitle>J Appl Electrochem</stitle><date>2021-02-01</date><risdate>2021</risdate><volume>51</volume><issue>2</issue><spage>183</spage><epage>195</epage><pages>183-195</pages><issn>0021-891X</issn><eissn>1572-8838</eissn><abstract>Ceftazidime was selected as target pollutant for electrochemical degradation on two most typical dimensional stable anodes Ti/PbO
2
–Ce and Ti/SnO
2
–Sb due to its broad persistence in environment. Degradation experiments were conducted through spiking 5 mg L
−1
ceftazidime in real secondary effluents and evaluating the residual antibiotics or COD after 1 h and 4 h electrolysis, respectively. The morphology, composition and electrochemical characteristics of the anodes were compared and it was demonstrated that Ti/SnO
2
–Sb performed the highest degradation rate because of its superior hydroxyl (·OH) production capability and Ti/PbO
2
–Ce was regarded as the most stable anode proved by stability tests in 0.5 M aqueous H
2
SO
4
with an anodic current density of 1.0 A. As high as 99.37% of ceftazidime degradation and 95.52% COD removal was achieved on Ti/SnO
2
–Sb anode under a current of 4 mA cm
−1
, compared with 75.15% ceftazidime degradation and 83.54% COD removal on Ti/PbO
2
–Ce. The effects of NaCl and humic acid (HA) in electrolyte were mainly investigated because their existence could interfere the electrochemical degradation process. The experiment results showed NaCl concentration can significantly enhance the oxidation rate with 99% removal within 5 min of treatment on Ti/SnO
2
–Sb anode, while humic acid concentration is a parameter that inhibited electrochemical catalyzing. Therefore, the degradation efficiency of spiked ceftazidime in real wastewater was evaluated. The last lead to the identification of intermediates during 150 min degradation process and a pathway scheme of ceftazidime was proposed.
Graphic abstract</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10800-020-01482-5</doi><tpages>13</tpages></addata></record> |
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| subjects | Antibiotics Chemistry Chemistry and Materials Science Corrosion inhibitors Degradation Dimensionally stable anodes Electrochemistry Electrolysis Electrolytes Humic acids Industrial Chemistry/Chemical Engineering Lead oxides Morphology Oxidation Oxidation rate Physical Chemistry Pollutants Remediation Research Article Stability tests Sulfuric acid Tin dioxide Wastewater |
| title | Electro-oxidation of ceftazidime in real municipal wastewater using PbO2–Ce and SnO2–Sb electrodes: influence of electrolyte and degradation pathway |
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