Improved degradation of metronidazole in a heterogeneous photo-Fenton oxidation system with PAC/Fe3O4 magnetic catalyst: biodegradability, catalyst specifications, process optimization, and degradation pathway
A UV-assisted heterogeneous photo-Fenton process based on powder activated carbon (PAC)/Fe 3 O 4 catalyst was investigated to degrade metronidazole (MTZ). Successful uniform synthesis of PAC/Fe 3 O 4 has confirmed by X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), ener...
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| Veröffentlicht in: | Biomass conversion and biorefinery 2023-07, Vol.13 (10), p.9057-9073 |
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| creator | Seidmohammadi, Abdolmotaleb Vaziri, Yaser Dargahi, Abdollah Nasab, Hassan Zolghadr |
| description | A UV-assisted heterogeneous photo-Fenton process based on powder activated carbon (PAC)/Fe
3
O
4
catalyst was investigated to degrade metronidazole (MTZ). Successful uniform synthesis of PAC/Fe
3
O
4
has confirmed by X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), energy dispersive X-Ray spectroscopy mapping (EDX-mapping), vibrating sample magnetometer (VSM), and Fourier transform infrared spectroscopy (FTIR) techniques. The interaction of five independent variables in the MTZ degradation in the UV +
P
A
C
/
Fe
3
O
4
+
H
2
O
2
photo-Fenton system was optimized by a three-level full-face-centered central composite design (CCD). Proposed model proved to have adequacy and validity in prediction of MTZ degradation (P value 0.95). High stability, reusability, and separation capability of PAC/Fe
3
O
4
were confirmed by EDX and VSM analyses and iron leach investigation. This process could represent the MTZ degradation, DOC, and COD removal efficiencies of 96.12%, 93.67, and 94.87%, respectively. Also, increasing of the AOS value from -0.422 to 0.437 and increasing of the COS value from -0.422 to 3.773 indicate that the MTZ has been highly mineralized and the solution biodegradability has been improved. MTZ degradation intermediates, mechanism, and pathways were proposed. The abundancy of intermediates with m/z |
| doi_str_mv | 10.1007/s13399-021-01668-7 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2829811930</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2829811930</sourcerecordid><originalsourceid>FETCH-LOGICAL-c319t-f97a73b166c51197c198a1f830bb12c2738f13ca9fc984d0458b3b05f41dd03f3</originalsourceid><addsrcrecordid>eNp9UU1PAjEU3BhNNMof8NTEKyv9AHbrjRBREhI96Lnpdl-hhm3XtojwL_1HViAYL55e8zozbzKTZdcE3xKMi14gjHGeY0pyTIbDMi9OsgtKOM6HJWWnxzcZnGedEN4wxpQVrGT4IvuaNq13H1CjGuZe1jIaZ5HTqIHonTW13LolIGORRAuI4N0cLLhVQO3CRZdPwMYfwqc5UMMmRGjQ2sQFeh6NexNgT33UyLmFaBRSMsplgtyhyrjDycosTdx0j38otKCMNmqnGLooOVQQAnJtNI3Z7tZdJO1f062Mi7XcXGVnWi4DdA7zMnud3L-MH_PZ08N0PJrlihEec80LWbAq5aUGhPBCEV5KolMoVUWooikfTZiSXCte9mvcH5QVq_BA90ldY6bZZXaz103u3lcQonhzK2_TSUFLysskynBC0T1KeReCBy1abxrpN4Jg8dOe2LcnUnti154oEontSSGB7Rz8r_Q_rG8nMaKZ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2829811930</pqid></control><display><type>article</type><title>Improved degradation of metronidazole in a heterogeneous photo-Fenton oxidation system with PAC/Fe3O4 magnetic catalyst: biodegradability, catalyst specifications, process optimization, and degradation pathway</title><source>SpringerLink Journals - AutoHoldings</source><creator>Seidmohammadi, Abdolmotaleb ; Vaziri, Yaser ; Dargahi, Abdollah ; Nasab, Hassan Zolghadr</creator><creatorcontrib>Seidmohammadi, Abdolmotaleb ; Vaziri, Yaser ; Dargahi, Abdollah ; Nasab, Hassan Zolghadr</creatorcontrib><description>A UV-assisted heterogeneous photo-Fenton process based on powder activated carbon (PAC)/Fe
3
O
4
catalyst was investigated to degrade metronidazole (MTZ). Successful uniform synthesis of PAC/Fe
3
O
4
has confirmed by X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), energy dispersive X-Ray spectroscopy mapping (EDX-mapping), vibrating sample magnetometer (VSM), and Fourier transform infrared spectroscopy (FTIR) techniques. The interaction of five independent variables in the MTZ degradation in the UV +
P
A
C
/
Fe
3
O
4
+
H
2
O
2
photo-Fenton system was optimized by a three-level full-face-centered central composite design (CCD). Proposed model proved to have adequacy and validity in prediction of MTZ degradation (P value < 0.0001 and R
2
= 0.9512). Although the desirable pH for MTZ degradation was 3, Fenton-like reaction was ongoing over a wide range of pH. However, at alkaline pH, the process efficiency was more affected by MTZ concentration than acidic pH. MTZ degradation by UV+
P
A
C
/
Fe
3
O
4
+
H
2
O
2
heterogeneous Fenton system followed the pseudo-first-order model (R
2
> 0.95). High stability, reusability, and separation capability of PAC/Fe
3
O
4
were confirmed by EDX and VSM analyses and iron leach investigation. This process could represent the MTZ degradation, DOC, and COD removal efficiencies of 96.12%, 93.67, and 94.87%, respectively. Also, increasing of the AOS value from -0.422 to 0.437 and increasing of the COS value from -0.422 to 3.773 indicate that the MTZ has been highly mineralized and the solution biodegradability has been improved. MTZ degradation intermediates, mechanism, and pathways were proposed. The abundancy of intermediates with m/z < 70 confirmed the strong degradation of MTZ in the photo-Fenton system.
Graphical abstract</description><identifier>ISSN: 2190-6815</identifier><identifier>EISSN: 2190-6823</identifier><identifier>DOI: 10.1007/s13399-021-01668-7</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Activated carbon ; Adequacy ; Biotechnology ; Catalysts ; Degradation ; Electron microscopes ; Energy ; Energy dispersive X ray spectroscopy ; Field emission microscopy ; Fourier transforms ; Hydrogen peroxide ; Independent variables ; Infrared spectroscopy ; Iron oxides ; Magnetometers ; Mapping ; Optimization ; Original Article ; Oxidation ; Renewable and Green Energy ; Spectrum analysis</subject><ispartof>Biomass conversion and biorefinery, 2023-07, Vol.13 (10), p.9057-9073</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021</rights><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021.</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-f97a73b166c51197c198a1f830bb12c2738f13ca9fc984d0458b3b05f41dd03f3</citedby><cites>FETCH-LOGICAL-c319t-f97a73b166c51197c198a1f830bb12c2738f13ca9fc984d0458b3b05f41dd03f3</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/s13399-021-01668-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13399-021-01668-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Seidmohammadi, Abdolmotaleb</creatorcontrib><creatorcontrib>Vaziri, Yaser</creatorcontrib><creatorcontrib>Dargahi, Abdollah</creatorcontrib><creatorcontrib>Nasab, Hassan Zolghadr</creatorcontrib><title>Improved degradation of metronidazole in a heterogeneous photo-Fenton oxidation system with PAC/Fe3O4 magnetic catalyst: biodegradability, catalyst specifications, process optimization, and degradation pathway</title><title>Biomass conversion and biorefinery</title><addtitle>Biomass Conv. Bioref</addtitle><description>A UV-assisted heterogeneous photo-Fenton process based on powder activated carbon (PAC)/Fe
3
O
4
catalyst was investigated to degrade metronidazole (MTZ). Successful uniform synthesis of PAC/Fe
3
O
4
has confirmed by X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), energy dispersive X-Ray spectroscopy mapping (EDX-mapping), vibrating sample magnetometer (VSM), and Fourier transform infrared spectroscopy (FTIR) techniques. The interaction of five independent variables in the MTZ degradation in the UV +
P
A
C
/
Fe
3
O
4
+
H
2
O
2
photo-Fenton system was optimized by a three-level full-face-centered central composite design (CCD). Proposed model proved to have adequacy and validity in prediction of MTZ degradation (P value < 0.0001 and R
2
= 0.9512). Although the desirable pH for MTZ degradation was 3, Fenton-like reaction was ongoing over a wide range of pH. However, at alkaline pH, the process efficiency was more affected by MTZ concentration than acidic pH. MTZ degradation by UV+
P
A
C
/
Fe
3
O
4
+
H
2
O
2
heterogeneous Fenton system followed the pseudo-first-order model (R
2
> 0.95). High stability, reusability, and separation capability of PAC/Fe
3
O
4
were confirmed by EDX and VSM analyses and iron leach investigation. This process could represent the MTZ degradation, DOC, and COD removal efficiencies of 96.12%, 93.67, and 94.87%, respectively. Also, increasing of the AOS value from -0.422 to 0.437 and increasing of the COS value from -0.422 to 3.773 indicate that the MTZ has been highly mineralized and the solution biodegradability has been improved. MTZ degradation intermediates, mechanism, and pathways were proposed. The abundancy of intermediates with m/z < 70 confirmed the strong degradation of MTZ in the photo-Fenton system.
Graphical abstract</description><subject>Activated carbon</subject><subject>Adequacy</subject><subject>Biotechnology</subject><subject>Catalysts</subject><subject>Degradation</subject><subject>Electron microscopes</subject><subject>Energy</subject><subject>Energy dispersive X ray spectroscopy</subject><subject>Field emission microscopy</subject><subject>Fourier transforms</subject><subject>Hydrogen peroxide</subject><subject>Independent variables</subject><subject>Infrared spectroscopy</subject><subject>Iron oxides</subject><subject>Magnetometers</subject><subject>Mapping</subject><subject>Optimization</subject><subject>Original Article</subject><subject>Oxidation</subject><subject>Renewable and Green Energy</subject><subject>Spectrum analysis</subject><issn>2190-6815</issn><issn>2190-6823</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9UU1PAjEU3BhNNMof8NTEKyv9AHbrjRBREhI96Lnpdl-hhm3XtojwL_1HViAYL55e8zozbzKTZdcE3xKMi14gjHGeY0pyTIbDMi9OsgtKOM6HJWWnxzcZnGedEN4wxpQVrGT4IvuaNq13H1CjGuZe1jIaZ5HTqIHonTW13LolIGORRAuI4N0cLLhVQO3CRZdPwMYfwqc5UMMmRGjQ2sQFeh6NexNgT33UyLmFaBRSMsplgtyhyrjDycosTdx0j38otKCMNmqnGLooOVQQAnJtNI3Z7tZdJO1f062Mi7XcXGVnWi4DdA7zMnud3L-MH_PZ08N0PJrlihEec80LWbAq5aUGhPBCEV5KolMoVUWooikfTZiSXCte9mvcH5QVq_BA90ldY6bZZXaz103u3lcQonhzK2_TSUFLysskynBC0T1KeReCBy1abxrpN4Jg8dOe2LcnUnti154oEontSSGB7Rz8r_Q_rG8nMaKZ</recordid><startdate>20230701</startdate><enddate>20230701</enddate><creator>Seidmohammadi, Abdolmotaleb</creator><creator>Vaziri, Yaser</creator><creator>Dargahi, Abdollah</creator><creator>Nasab, Hassan Zolghadr</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20230701</creationdate><title>Improved degradation of metronidazole in a heterogeneous photo-Fenton oxidation system with PAC/Fe3O4 magnetic catalyst: biodegradability, catalyst specifications, process optimization, and degradation pathway</title><author>Seidmohammadi, Abdolmotaleb ; Vaziri, Yaser ; Dargahi, Abdollah ; Nasab, Hassan Zolghadr</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-f97a73b166c51197c198a1f830bb12c2738f13ca9fc984d0458b3b05f41dd03f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Activated carbon</topic><topic>Adequacy</topic><topic>Biotechnology</topic><topic>Catalysts</topic><topic>Degradation</topic><topic>Electron microscopes</topic><topic>Energy</topic><topic>Energy dispersive X ray spectroscopy</topic><topic>Field emission microscopy</topic><topic>Fourier transforms</topic><topic>Hydrogen peroxide</topic><topic>Independent variables</topic><topic>Infrared spectroscopy</topic><topic>Iron oxides</topic><topic>Magnetometers</topic><topic>Mapping</topic><topic>Optimization</topic><topic>Original Article</topic><topic>Oxidation</topic><topic>Renewable and Green Energy</topic><topic>Spectrum analysis</topic><toplevel>online_resources</toplevel><creatorcontrib>Seidmohammadi, Abdolmotaleb</creatorcontrib><creatorcontrib>Vaziri, Yaser</creatorcontrib><creatorcontrib>Dargahi, Abdollah</creatorcontrib><creatorcontrib>Nasab, Hassan Zolghadr</creatorcontrib><collection>CrossRef</collection><jtitle>Biomass conversion and biorefinery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seidmohammadi, Abdolmotaleb</au><au>Vaziri, Yaser</au><au>Dargahi, Abdollah</au><au>Nasab, Hassan Zolghadr</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improved degradation of metronidazole in a heterogeneous photo-Fenton oxidation system with PAC/Fe3O4 magnetic catalyst: biodegradability, catalyst specifications, process optimization, and degradation pathway</atitle><jtitle>Biomass conversion and biorefinery</jtitle><stitle>Biomass Conv. Bioref</stitle><date>2023-07-01</date><risdate>2023</risdate><volume>13</volume><issue>10</issue><spage>9057</spage><epage>9073</epage><pages>9057-9073</pages><issn>2190-6815</issn><eissn>2190-6823</eissn><abstract>A UV-assisted heterogeneous photo-Fenton process based on powder activated carbon (PAC)/Fe
3
O
4
catalyst was investigated to degrade metronidazole (MTZ). Successful uniform synthesis of PAC/Fe
3
O
4
has confirmed by X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), energy dispersive X-Ray spectroscopy mapping (EDX-mapping), vibrating sample magnetometer (VSM), and Fourier transform infrared spectroscopy (FTIR) techniques. The interaction of five independent variables in the MTZ degradation in the UV +
P
A
C
/
Fe
3
O
4
+
H
2
O
2
photo-Fenton system was optimized by a three-level full-face-centered central composite design (CCD). Proposed model proved to have adequacy and validity in prediction of MTZ degradation (P value < 0.0001 and R
2
= 0.9512). Although the desirable pH for MTZ degradation was 3, Fenton-like reaction was ongoing over a wide range of pH. However, at alkaline pH, the process efficiency was more affected by MTZ concentration than acidic pH. MTZ degradation by UV+
P
A
C
/
Fe
3
O
4
+
H
2
O
2
heterogeneous Fenton system followed the pseudo-first-order model (R
2
> 0.95). High stability, reusability, and separation capability of PAC/Fe
3
O
4
were confirmed by EDX and VSM analyses and iron leach investigation. This process could represent the MTZ degradation, DOC, and COD removal efficiencies of 96.12%, 93.67, and 94.87%, respectively. Also, increasing of the AOS value from -0.422 to 0.437 and increasing of the COS value from -0.422 to 3.773 indicate that the MTZ has been highly mineralized and the solution biodegradability has been improved. MTZ degradation intermediates, mechanism, and pathways were proposed. The abundancy of intermediates with m/z < 70 confirmed the strong degradation of MTZ in the photo-Fenton system.
Graphical abstract</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s13399-021-01668-7</doi><tpages>17</tpages></addata></record> |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Activated carbon Adequacy Biotechnology Catalysts Degradation Electron microscopes Energy Energy dispersive X ray spectroscopy Field emission microscopy Fourier transforms Hydrogen peroxide Independent variables Infrared spectroscopy Iron oxides Magnetometers Mapping Optimization Original Article Oxidation Renewable and Green Energy Spectrum analysis |
| title | Improved degradation of metronidazole in a heterogeneous photo-Fenton oxidation system with PAC/Fe3O4 magnetic catalyst: biodegradability, catalyst specifications, process optimization, and degradation pathway |
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