Oxidation of simazine: biological oxidation of simazine and its chemical oxidation byproducts
Batch biodegradation studies were conducted to assess the biodegradability of single s-triazines. s-Triazines tested included simazine, a widely used herbicide, and its products resulting from oxidation with ozone, ultraviolet (UV) light, and combined ozone and UV light oxidation. Degradation rates...
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| Veröffentlicht in: | Water environment research 1995, Vol.67 (3), p.347-354 |
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| creator | Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.) Weber, A.S Jensen, J.N |
| description | Batch biodegradation studies were conducted to assess the biodegradability of single s-triazines. s-Triazines tested included simazine, a widely used herbicide, and its products resulting from oxidation with ozone, ultraviolet (UV) light, and combined ozone and UV light oxidation. Degradation rates for each s-triazine were calculated as μM N/hr. Rates ranged from 0 to 10.3 μM N/hr. s-Triazine degradation rates were a function of the ring substituents and followed the order of hydroxy ⪢ amino ⪢ chlorine ≥ ethylamino. Chemical oxidation methods capable of oxidizing the more persistent simazine substituent groups (chlorine and ethylamine) to more easily biodegraded substituents (amine and hydroxy) proved attractive in enhancing the s-triazine mineralization of simazine. When simazine was pretreated with combined ozone and UV, the s-triazine biodegradation rate was increased by an order of magnitude. s-Triazine biodegradation rates also were enhanced with ozone and UV pretreatment but not to the same extent. |
| doi_str_mv | 10.2175/106143095x131574 |
| format | Article |
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(Industrial Technology Research Institute, Hsinchu, Taiwan.) ; Weber, A.S ; Jensen, J.N</creator><creatorcontrib>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.) ; Weber, A.S ; Jensen, J.N</creatorcontrib><description>Batch biodegradation studies were conducted to assess the biodegradability of single s-triazines. s-Triazines tested included simazine, a widely used herbicide, and its products resulting from oxidation with ozone, ultraviolet (UV) light, and combined ozone and UV light oxidation. Degradation rates for each s-triazine were calculated as μM N/hr. Rates ranged from 0 to 10.3 μM N/hr. s-Triazine degradation rates were a function of the ring substituents and followed the order of hydroxy ⪢ amino ⪢ chlorine ≥ ethylamino. Chemical oxidation methods capable of oxidizing the more persistent simazine substituent groups (chlorine and ethylamine) to more easily biodegraded substituents (amine and hydroxy) proved attractive in enhancing the s-triazine mineralization of simazine. When simazine was pretreated with combined ozone and UV, the s-triazine biodegradation rate was increased by an order of magnitude. s-Triazine biodegradation rates also were enhanced with ozone and UV pretreatment but not to the same extent.</description><identifier>ISSN: 1061-4303</identifier><identifier>EISSN: 1554-7531</identifier><identifier>DOI: 10.2175/106143095x131574</identifier><language>eng</language><publisher>Alexandria, VA: Water Environment Federation</publisher><subject>Biodegradability ; BIODEGRADACION ; BIODEGRADATION ; Biodegradation of pollutants ; Biological and medical sciences ; Biotechnology ; chemical degradation products ; Chemical mixtures ; Chemical oxidation ; Chlorine ; COMPOSE ORGANOAZOTE ; COMPUESTO ORGANICO DEL NITROGENO ; Environment and pollution ; FOTOLISIS ; Fundamental and applied biological sciences. Psychology ; Industrial applications and implications. Economical aspects ; MICROBIAL DEGRADATION ; Nitrogen ; ORGANIC NITROGEN COMPOUNDS ; OXIDACION ; OXIDATION ; OXYDATION ; OZONE ; OZONO ; PHOTOLYSE ; PHOTOLYSIS ; Pretreatment ; RADIACION ULTRAVIOLETA ; RAYONNEMENT ULTRAVIOLET ; Research Papers ; SIMAZINA ; SIMAZINE ; TRIACINA ; TRIAZINE ; TRIAZINES ; ULTRAVIOLET ; ULTRAVIOLET RADIATION</subject><ispartof>Water environment research, 1995, Vol.67 (3), p.347-354</ispartof><rights>Copyright 1995 The Water Environment Federation (WEF)</rights><rights>1995 Water Environment Federation</rights><rights>1995 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4347-b34c48f1f5e5441d34371e655d16468bdb39b3425ee71170e0555d2ab48c1f343</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25044563$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25044563$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,4022,27922,27923,27924,58016,58249</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3519545$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.)</creatorcontrib><creatorcontrib>Weber, A.S</creatorcontrib><creatorcontrib>Jensen, J.N</creatorcontrib><title>Oxidation of simazine: biological oxidation of simazine and its chemical oxidation byproducts</title><title>Water environment research</title><description>Batch biodegradation studies were conducted to assess the biodegradability of single s-triazines. s-Triazines tested included simazine, a widely used herbicide, and its products resulting from oxidation with ozone, ultraviolet (UV) light, and combined ozone and UV light oxidation. Degradation rates for each s-triazine were calculated as μM N/hr. Rates ranged from 0 to 10.3 μM N/hr. s-Triazine degradation rates were a function of the ring substituents and followed the order of hydroxy ⪢ amino ⪢ chlorine ≥ ethylamino. Chemical oxidation methods capable of oxidizing the more persistent simazine substituent groups (chlorine and ethylamine) to more easily biodegraded substituents (amine and hydroxy) proved attractive in enhancing the s-triazine mineralization of simazine. When simazine was pretreated with combined ozone and UV, the s-triazine biodegradation rate was increased by an order of magnitude. s-Triazine biodegradation rates also were enhanced with ozone and UV pretreatment but not to the same extent.</description><subject>Biodegradability</subject><subject>BIODEGRADACION</subject><subject>BIODEGRADATION</subject><subject>Biodegradation of pollutants</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>chemical degradation products</subject><subject>Chemical mixtures</subject><subject>Chemical oxidation</subject><subject>Chlorine</subject><subject>COMPOSE ORGANOAZOTE</subject><subject>COMPUESTO ORGANICO DEL NITROGENO</subject><subject>Environment and pollution</subject><subject>FOTOLISIS</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>MICROBIAL DEGRADATION</subject><subject>Nitrogen</subject><subject>ORGANIC NITROGEN COMPOUNDS</subject><subject>OXIDACION</subject><subject>OXIDATION</subject><subject>OXYDATION</subject><subject>OZONE</subject><subject>OZONO</subject><subject>PHOTOLYSE</subject><subject>PHOTOLYSIS</subject><subject>Pretreatment</subject><subject>RADIACION ULTRAVIOLETA</subject><subject>RAYONNEMENT ULTRAVIOLET</subject><subject>Research Papers</subject><subject>SIMAZINA</subject><subject>SIMAZINE</subject><subject>TRIACINA</subject><subject>TRIAZINE</subject><subject>TRIAZINES</subject><subject>ULTRAVIOLET</subject><subject>ULTRAVIOLET RADIATION</subject><issn>1061-4303</issn><issn>1554-7531</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNqFkM1Lw0AQxYMoWD_uIgg5iLfoTnYmabxJ8QuEglr0ImGz2dQtaVazKVr_ekdSehBBWJiF93szvBcEByBOY0jpDEQCKEVGnyCBUtwIBkCEUUoSNvnPcsS63A52vJ8JAXEscBC8jD9tqTrrmtBVobdz9WUbcx4W1tVuarWqQ_cXEaqmDG3nQ_1q5r-wYvnWunKhO78XbFWq9mZ_NXeDydXl4-gmuhtf344u7iKNEtOokKhxWEFFhhChlChTMAlRCQkmw6IsZMZMTMakAKkwgliLVYFDDRXTu8FJv5cPvy-M7_K59drUtWqMW_gcKOGHGYOiB3XrvG9Nlb-1nKhd5iDynx7zdY_PfY9sOV7tVp5zVq1qtPVrnyTICIkx6rEPW5vlv2vzp8t7wdnZd9T7Zr5z7doXk0CkRLJ-2OuVcrmatnx68pAlgpJsKL8BKcWTRA</recordid><startdate>1995</startdate><enddate>1995</enddate><creator>Lai, M.S. 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(Industrial Technology Research Institute, Hsinchu, Taiwan.) ; Weber, A.S ; Jensen, J.N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4347-b34c48f1f5e5441d34371e655d16468bdb39b3425ee71170e0555d2ab48c1f343</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Biodegradability</topic><topic>BIODEGRADACION</topic><topic>BIODEGRADATION</topic><topic>Biodegradation of pollutants</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>chemical degradation products</topic><topic>Chemical mixtures</topic><topic>Chemical oxidation</topic><topic>Chlorine</topic><topic>COMPOSE ORGANOAZOTE</topic><topic>COMPUESTO ORGANICO DEL NITROGENO</topic><topic>Environment and pollution</topic><topic>FOTOLISIS</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>MICROBIAL DEGRADATION</topic><topic>Nitrogen</topic><topic>ORGANIC NITROGEN COMPOUNDS</topic><topic>OXIDACION</topic><topic>OXIDATION</topic><topic>OXYDATION</topic><topic>OZONE</topic><topic>OZONO</topic><topic>PHOTOLYSE</topic><topic>PHOTOLYSIS</topic><topic>Pretreatment</topic><topic>RADIACION ULTRAVIOLETA</topic><topic>RAYONNEMENT ULTRAVIOLET</topic><topic>Research Papers</topic><topic>SIMAZINA</topic><topic>SIMAZINE</topic><topic>TRIACINA</topic><topic>TRIAZINE</topic><topic>TRIAZINES</topic><topic>ULTRAVIOLET</topic><topic>ULTRAVIOLET RADIATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lai, M.S. 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(Industrial Technology Research Institute, Hsinchu, Taiwan.)</au><au>Weber, A.S</au><au>Jensen, J.N</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxidation of simazine: biological oxidation of simazine and its chemical oxidation byproducts</atitle><jtitle>Water environment research</jtitle><date>1995</date><risdate>1995</risdate><volume>67</volume><issue>3</issue><spage>347</spage><epage>354</epage><pages>347-354</pages><issn>1061-4303</issn><eissn>1554-7531</eissn><abstract>Batch biodegradation studies were conducted to assess the biodegradability of single s-triazines. s-Triazines tested included simazine, a widely used herbicide, and its products resulting from oxidation with ozone, ultraviolet (UV) light, and combined ozone and UV light oxidation. Degradation rates for each s-triazine were calculated as μM N/hr. Rates ranged from 0 to 10.3 μM N/hr. s-Triazine degradation rates were a function of the ring substituents and followed the order of hydroxy ⪢ amino ⪢ chlorine ≥ ethylamino. Chemical oxidation methods capable of oxidizing the more persistent simazine substituent groups (chlorine and ethylamine) to more easily biodegraded substituents (amine and hydroxy) proved attractive in enhancing the s-triazine mineralization of simazine. When simazine was pretreated with combined ozone and UV, the s-triazine biodegradation rate was increased by an order of magnitude. s-Triazine biodegradation rates also were enhanced with ozone and UV pretreatment but not to the same extent.</abstract><cop>Alexandria, VA</cop><pub>Water Environment Federation</pub><doi>10.2175/106143095x131574</doi><tpages>8</tpages></addata></record> |
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| ispartof | Water environment research, 1995, Vol.67 (3), p.347-354 |
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| language | eng |
| recordid | cdi_proquest_miscellaneous_15615649 |
| source | JSTOR Archive Collection A-Z Listing |
| subjects | Biodegradability BIODEGRADACION BIODEGRADATION Biodegradation of pollutants Biological and medical sciences Biotechnology chemical degradation products Chemical mixtures Chemical oxidation Chlorine COMPOSE ORGANOAZOTE COMPUESTO ORGANICO DEL NITROGENO Environment and pollution FOTOLISIS Fundamental and applied biological sciences. Psychology Industrial applications and implications. Economical aspects MICROBIAL DEGRADATION Nitrogen ORGANIC NITROGEN COMPOUNDS OXIDACION OXIDATION OXYDATION OZONE OZONO PHOTOLYSE PHOTOLYSIS Pretreatment RADIACION ULTRAVIOLETA RAYONNEMENT ULTRAVIOLET Research Papers SIMAZINA SIMAZINE TRIACINA TRIAZINE TRIAZINES ULTRAVIOLET ULTRAVIOLET RADIATION |
| title | Oxidation of simazine: biological oxidation of simazine and its chemical oxidation byproducts |
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