Degradation of Chloramphenicol Using UV-LED Based Advanced Oxidation Processes: Kinetics, Mechanisms, and Enhanced Formation of Disinfection By-Products
As an emerging light source, ultraviolet light emitting diodes (UV-LEDs) are adopted to overcome the shortcomings of the conventional mercury lamp, such as mercury pollution. The degradation of chloramphenicol (CAP) using three UV-LED-based advanced oxidation processes (AOPs)—UV-LED/persulfate (UV-L...
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| creator | Qu, Xinlu Wu, Haowei Zhang, Tianyang Liu, Qianhong Wang, Mu Yateh, Mohamed Tang, Yulin |
| description | As an emerging light source, ultraviolet light emitting diodes (UV-LEDs) are adopted to overcome the shortcomings of the conventional mercury lamp, such as mercury pollution. The degradation of chloramphenicol (CAP) using three UV-LED-based advanced oxidation processes (AOPs)—UV-LED/persulfate (UV-LED/PS), UV-LED/peroxymonosulfate (UV-LED/PMS) and UV-LED/chlorine—was investigated. Results indicate that CAP can be more effectively degraded by the hybrid processes when compared to UV irradiation and oxidants alone. Degradation of CAP using the three UV-LED-based AOPs followed pseudo-first-order kinetics. The degradation rate constants (kobs) for UV-LED/PS, UV-LED/PMS, and UV-LED/chlorine were 0.0522, 0.0437 and 0.0523 min−1, and the CAP removal rates 99%, 98.1% and 96.3%, respectively. The degradation rate constant (kobs) increased with increasing oxidant dosage for UV-LED/chlorine, whereas overdosing reduced CAP degradation using UV-LED/PS and UV-LED/PMS. Ultraviolet wavelength influenced degradation efficiency of the UV-LED based AOPs with maximum CAP degradation observed at a wavelength of 280 nm. The application of UV-LED enhanced the formation DBPs during subsequent chlorination. uUV-LED/PMS produced more disinfection by-products than UV-LED/PS. Compared to UV-LED, UV-LED/PS reduced the formation of dichloroacetonitrile and trichloronitromethane during chlorination owing to its capacity to degrade the nitro group in CAP. The intermediates dichloroacetamide, 4-nitrobenzoic acid, 4-nitrophenol were produced during the degradation of CAP using each of UV-LED, UV-LED/PS and UV-LED/chlorine. The present study provides further evidence supporting the application of UV-LED in AOPs. |
| doi_str_mv | 10.3390/w13213035 |
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The degradation of chloramphenicol (CAP) using three UV-LED-based advanced oxidation processes (AOPs)—UV-LED/persulfate (UV-LED/PS), UV-LED/peroxymonosulfate (UV-LED/PMS) and UV-LED/chlorine—was investigated. Results indicate that CAP can be more effectively degraded by the hybrid processes when compared to UV irradiation and oxidants alone. Degradation of CAP using the three UV-LED-based AOPs followed pseudo-first-order kinetics. The degradation rate constants (kobs) for UV-LED/PS, UV-LED/PMS, and UV-LED/chlorine were 0.0522, 0.0437 and 0.0523 min−1, and the CAP removal rates 99%, 98.1% and 96.3%, respectively. The degradation rate constant (kobs) increased with increasing oxidant dosage for UV-LED/chlorine, whereas overdosing reduced CAP degradation using UV-LED/PS and UV-LED/PMS. Ultraviolet wavelength influenced degradation efficiency of the UV-LED based AOPs with maximum CAP degradation observed at a wavelength of 280 nm. The application of UV-LED enhanced the formation DBPs during subsequent chlorination. uUV-LED/PMS produced more disinfection by-products than UV-LED/PS. Compared to UV-LED, UV-LED/PS reduced the formation of dichloroacetonitrile and trichloronitromethane during chlorination owing to its capacity to degrade the nitro group in CAP. The intermediates dichloroacetamide, 4-nitrobenzoic acid, 4-nitrophenol were produced during the degradation of CAP using each of UV-LED, UV-LED/PS and UV-LED/chlorine. The present study provides further evidence supporting the application of UV-LED in AOPs.</description><identifier>ISSN: 2073-4441</identifier><identifier>EISSN: 2073-4441</identifier><identifier>DOI: 10.3390/w13213035</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Antibiotics ; Byproducts ; Chloramphenicol ; Chlorine ; Chloromycetin ; Chromatography ; Disinfection ; Efficiency ; Environmental degradation ; Health risk assessment ; Health risks ; Intermediates ; Irradiation ; Kinetics ; Lamps ; Light emitting diodes ; Light sources ; Mass spectrometry ; Mercury ; Mercury lamps ; Nitrobenzoic acid ; Nitrophenol ; Organic contaminants ; Oxidants ; Oxidation ; Oxidizing agents ; Pollutants ; Potassium ; Reaction kinetics ; Reagents ; Scientific imaging ; Ultraviolet radiation ; Water treatment</subject><ispartof>Water (Basel), 2021-11, Vol.13 (21), p.3035</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c292t-286fd6e202a211fa507cb7769bd69e259dae476f2ab85fead8e6c52839b876373</citedby><cites>FETCH-LOGICAL-c292t-286fd6e202a211fa507cb7769bd69e259dae476f2ab85fead8e6c52839b876373</cites><orcidid>0000-0003-3550-9248</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Qu, Xinlu</creatorcontrib><creatorcontrib>Wu, Haowei</creatorcontrib><creatorcontrib>Zhang, Tianyang</creatorcontrib><creatorcontrib>Liu, Qianhong</creatorcontrib><creatorcontrib>Wang, Mu</creatorcontrib><creatorcontrib>Yateh, Mohamed</creatorcontrib><creatorcontrib>Tang, Yulin</creatorcontrib><title>Degradation of Chloramphenicol Using UV-LED Based Advanced Oxidation Processes: Kinetics, Mechanisms, and Enhanced Formation of Disinfection By-Products</title><title>Water (Basel)</title><description>As an emerging light source, ultraviolet light emitting diodes (UV-LEDs) are adopted to overcome the shortcomings of the conventional mercury lamp, such as mercury pollution. The degradation of chloramphenicol (CAP) using three UV-LED-based advanced oxidation processes (AOPs)—UV-LED/persulfate (UV-LED/PS), UV-LED/peroxymonosulfate (UV-LED/PMS) and UV-LED/chlorine—was investigated. Results indicate that CAP can be more effectively degraded by the hybrid processes when compared to UV irradiation and oxidants alone. Degradation of CAP using the three UV-LED-based AOPs followed pseudo-first-order kinetics. The degradation rate constants (kobs) for UV-LED/PS, UV-LED/PMS, and UV-LED/chlorine were 0.0522, 0.0437 and 0.0523 min−1, and the CAP removal rates 99%, 98.1% and 96.3%, respectively. The degradation rate constant (kobs) increased with increasing oxidant dosage for UV-LED/chlorine, whereas overdosing reduced CAP degradation using UV-LED/PS and UV-LED/PMS. Ultraviolet wavelength influenced degradation efficiency of the UV-LED based AOPs with maximum CAP degradation observed at a wavelength of 280 nm. The application of UV-LED enhanced the formation DBPs during subsequent chlorination. uUV-LED/PMS produced more disinfection by-products than UV-LED/PS. Compared to UV-LED, UV-LED/PS reduced the formation of dichloroacetonitrile and trichloronitromethane during chlorination owing to its capacity to degrade the nitro group in CAP. The intermediates dichloroacetamide, 4-nitrobenzoic acid, 4-nitrophenol were produced during the degradation of CAP using each of UV-LED, UV-LED/PS and UV-LED/chlorine. The present study provides further evidence supporting the application of UV-LED in AOPs.</description><subject>Antibiotics</subject><subject>Byproducts</subject><subject>Chloramphenicol</subject><subject>Chlorine</subject><subject>Chloromycetin</subject><subject>Chromatography</subject><subject>Disinfection</subject><subject>Efficiency</subject><subject>Environmental degradation</subject><subject>Health risk assessment</subject><subject>Health risks</subject><subject>Intermediates</subject><subject>Irradiation</subject><subject>Kinetics</subject><subject>Lamps</subject><subject>Light emitting diodes</subject><subject>Light sources</subject><subject>Mass spectrometry</subject><subject>Mercury</subject><subject>Mercury lamps</subject><subject>Nitrobenzoic acid</subject><subject>Nitrophenol</subject><subject>Organic contaminants</subject><subject>Oxidants</subject><subject>Oxidation</subject><subject>Oxidizing agents</subject><subject>Pollutants</subject><subject>Potassium</subject><subject>Reaction kinetics</subject><subject>Reagents</subject><subject>Scientific imaging</subject><subject>Ultraviolet radiation</subject><subject>Water treatment</subject><issn>2073-4441</issn><issn>2073-4441</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpNUMtKAzEUDaJgqV34BwFXgqN5zNNdnypW6sK6HTLJnU5Km9RkqvZP_FyjleLd3HPgPOAgdE7JNecFufmgnFFOeHKEOoxkPIrjmB7_w6eo5_2ShIuLPE9IB32NYOGEEq22BtsaD5uVdWK9acBoaVd47rVZ4PlrNB2P8EB4ULiv3oWRAcw-9Z_x2VkJ3oO_xY_aQKulv8JPIBthtF8HLIzCY9PsfRPr1ofCkQ4NNchfPthFIUptZevP0EktVh56f7-L5pPxy_A-ms7uHob9aSRZwdqI5WmtUmCECUZpLRKSySrL0qJSaQEsKZSAOEtrJqo8qUGoHFKZsJwXVZ6lPONddLHP3Tj7tgXflku7dSZUlsGdkiTPChpUl3uVdNZ7B3W5cXot3K6kpPzZvjxsz78BT1V3FA</recordid><startdate>20211101</startdate><enddate>20211101</enddate><creator>Qu, Xinlu</creator><creator>Wu, Haowei</creator><creator>Zhang, Tianyang</creator><creator>Liu, Qianhong</creator><creator>Wang, Mu</creator><creator>Yateh, Mohamed</creator><creator>Tang, Yulin</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0003-3550-9248</orcidid></search><sort><creationdate>20211101</creationdate><title>Degradation of Chloramphenicol Using UV-LED Based Advanced Oxidation Processes: Kinetics, Mechanisms, and Enhanced Formation of Disinfection By-Products</title><author>Qu, Xinlu ; Wu, Haowei ; Zhang, Tianyang ; Liu, Qianhong ; Wang, Mu ; Yateh, Mohamed ; Tang, Yulin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c292t-286fd6e202a211fa507cb7769bd69e259dae476f2ab85fead8e6c52839b876373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Antibiotics</topic><topic>Byproducts</topic><topic>Chloramphenicol</topic><topic>Chlorine</topic><topic>Chloromycetin</topic><topic>Chromatography</topic><topic>Disinfection</topic><topic>Efficiency</topic><topic>Environmental degradation</topic><topic>Health risk assessment</topic><topic>Health risks</topic><topic>Intermediates</topic><topic>Irradiation</topic><topic>Kinetics</topic><topic>Lamps</topic><topic>Light emitting diodes</topic><topic>Light sources</topic><topic>Mass spectrometry</topic><topic>Mercury</topic><topic>Mercury lamps</topic><topic>Nitrobenzoic acid</topic><topic>Nitrophenol</topic><topic>Organic contaminants</topic><topic>Oxidants</topic><topic>Oxidation</topic><topic>Oxidizing agents</topic><topic>Pollutants</topic><topic>Potassium</topic><topic>Reaction kinetics</topic><topic>Reagents</topic><topic>Scientific imaging</topic><topic>Ultraviolet radiation</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qu, Xinlu</creatorcontrib><creatorcontrib>Wu, Haowei</creatorcontrib><creatorcontrib>Zhang, Tianyang</creatorcontrib><creatorcontrib>Liu, Qianhong</creatorcontrib><creatorcontrib>Wang, Mu</creatorcontrib><creatorcontrib>Yateh, Mohamed</creatorcontrib><creatorcontrib>Tang, Yulin</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Water (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qu, Xinlu</au><au>Wu, Haowei</au><au>Zhang, Tianyang</au><au>Liu, Qianhong</au><au>Wang, Mu</au><au>Yateh, Mohamed</au><au>Tang, Yulin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Degradation of Chloramphenicol Using UV-LED Based Advanced Oxidation Processes: Kinetics, Mechanisms, and Enhanced Formation of Disinfection By-Products</atitle><jtitle>Water (Basel)</jtitle><date>2021-11-01</date><risdate>2021</risdate><volume>13</volume><issue>21</issue><spage>3035</spage><pages>3035-</pages><issn>2073-4441</issn><eissn>2073-4441</eissn><abstract>As an emerging light source, ultraviolet light emitting diodes (UV-LEDs) are adopted to overcome the shortcomings of the conventional mercury lamp, such as mercury pollution. The degradation of chloramphenicol (CAP) using three UV-LED-based advanced oxidation processes (AOPs)—UV-LED/persulfate (UV-LED/PS), UV-LED/peroxymonosulfate (UV-LED/PMS) and UV-LED/chlorine—was investigated. Results indicate that CAP can be more effectively degraded by the hybrid processes when compared to UV irradiation and oxidants alone. Degradation of CAP using the three UV-LED-based AOPs followed pseudo-first-order kinetics. The degradation rate constants (kobs) for UV-LED/PS, UV-LED/PMS, and UV-LED/chlorine were 0.0522, 0.0437 and 0.0523 min−1, and the CAP removal rates 99%, 98.1% and 96.3%, respectively. The degradation rate constant (kobs) increased with increasing oxidant dosage for UV-LED/chlorine, whereas overdosing reduced CAP degradation using UV-LED/PS and UV-LED/PMS. Ultraviolet wavelength influenced degradation efficiency of the UV-LED based AOPs with maximum CAP degradation observed at a wavelength of 280 nm. The application of UV-LED enhanced the formation DBPs during subsequent chlorination. uUV-LED/PMS produced more disinfection by-products than UV-LED/PS. Compared to UV-LED, UV-LED/PS reduced the formation of dichloroacetonitrile and trichloronitromethane during chlorination owing to its capacity to degrade the nitro group in CAP. The intermediates dichloroacetamide, 4-nitrobenzoic acid, 4-nitrophenol were produced during the degradation of CAP using each of UV-LED, UV-LED/PS and UV-LED/chlorine. The present study provides further evidence supporting the application of UV-LED in AOPs.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/w13213035</doi><orcidid>https://orcid.org/0000-0003-3550-9248</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Antibiotics Byproducts Chloramphenicol Chlorine Chloromycetin Chromatography Disinfection Efficiency Environmental degradation Health risk assessment Health risks Intermediates Irradiation Kinetics Lamps Light emitting diodes Light sources Mass spectrometry Mercury Mercury lamps Nitrobenzoic acid Nitrophenol Organic contaminants Oxidants Oxidation Oxidizing agents Pollutants Potassium Reaction kinetics Reagents Scientific imaging Ultraviolet radiation Water treatment |
| title | Degradation of Chloramphenicol Using UV-LED Based Advanced Oxidation Processes: Kinetics, Mechanisms, and Enhanced Formation of Disinfection By-Products |
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