Oxidation of simazine: ozone, ultraviolet, and combined ozone/ultraviolet oxidation
A laboratory study was conducted to investigate the kinetics and byproducts of simazine oxidation by ozone, ultraviolet radiation (UV), and combined ozone and UV. Byproducts were identified by HPLC. Simazine was oxidized rapidly by ozone, UV, and ozone and UV. For example, 4 mg/L simazine disappeare...
Gespeichert in:
| Veröffentlicht in: | Water environment research 1995-05, Vol.67 (3), p.340-346 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 346 |
|---|---|
| container_issue | 3 |
| container_start_page | 340 |
| container_title | Water environment research |
| container_volume | 67 |
| creator | Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.) Jensen, J.N Weber, A.S |
| description | A laboratory study was conducted to investigate the kinetics and byproducts of simazine oxidation by ozone, ultraviolet radiation (UV), and combined ozone and UV. Byproducts were identified by HPLC. Simazine was oxidized rapidly by ozone, UV, and ozone and UV. For example, 4 mg/L simazine disappeared completely after oxidation by 34 mg/min ozone at pH 7.2 for 15 minutes. Simazine disappearance rates during ozonation increased with applied ozone dose and pH. Dealkylation and dechlorination byproducts were formed, and deamination byproducts appeared at higher ozone doses or higher pH. During UV and ozone and UV oxidation, simazine disappearance rates increased with UV intensity. Dechlorination byproducts were formed by UV oxidation. Dealkylation, deamination, and dechlorination byproducts were formed by combined ozone and UV treatment. In comparing oxidation systems, simazine disappearance rates during ozonation at pH 9.9 were similar to those observed during ozone and UV oxidation. |
| doi_str_mv | 10.2175/106143095X131565 |
| format | Article |
| fullrecord | <record><control><sourceid>jstor_proqu</sourceid><recordid>TN_cdi_proquest_miscellaneous_17042970</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><jstor_id>25044562</jstor_id><sourcerecordid>25044562</sourcerecordid><originalsourceid>FETCH-LOGICAL-c5190-28e33ae8af97200b8a7f062577eddc4cde49fd409a926226c68d5234049023a83</originalsourceid><addsrcrecordid>eNqFkEtLw0AURoMoWKt7EYQsxFVj77wz7qTUBxQK1qK7MJ1MJCXN1JlUbX-9I6lF3LiaC-d833BvFJ0iuMJIsD4CjigByV4QQYyzvaiDGKOJYATthzngJHByGB15PwdAGAPtRJPxZ5mrprR1bIvYlwu1KWtzHduNrU0vXlWNU--lrUzTi1Wdx9ouZkHIW6H_i8f2p-k4OihU5c3J9u1G09vh0-A-GY3vHgY3o0QzJCHBqSFEmVQVUmCAWapEARwzIUyea6pzQ2WRU5BKYo4x1zzNGSYUqARMVEq60WXbu3T2bWV8ky1Kr01VqdrYlc-QAIqlgCBCK2pnvXemyJYubOrWGYLs-3rZ3-uFyMW2W3mtqsKpWpd-lyMMcYZ50FirfZSVWf9bmz0PHyFsEHLnbW7uG-t2OcyAUsZx4GctL5TN1KsLX08nkgPjUpAvQROPiQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>17042970</pqid></control><display><type>article</type><title>Oxidation of simazine: ozone, ultraviolet, and combined ozone/ultraviolet oxidation</title><source>Jstor Complete Legacy</source><creator>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.) ; Jensen, J.N ; Weber, A.S</creator><creatorcontrib>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.) ; Jensen, J.N ; Weber, A.S</creatorcontrib><description>A laboratory study was conducted to investigate the kinetics and byproducts of simazine oxidation by ozone, ultraviolet radiation (UV), and combined ozone and UV. Byproducts were identified by HPLC. Simazine was oxidized rapidly by ozone, UV, and ozone and UV. For example, 4 mg/L simazine disappeared completely after oxidation by 34 mg/min ozone at pH 7.2 for 15 minutes. Simazine disappearance rates during ozonation increased with applied ozone dose and pH. Dealkylation and dechlorination byproducts were formed, and deamination byproducts appeared at higher ozone doses or higher pH. During UV and ozone and UV oxidation, simazine disappearance rates increased with UV intensity. Dechlorination byproducts were formed by UV oxidation. Dealkylation, deamination, and dechlorination byproducts were formed by combined ozone and UV treatment. In comparing oxidation systems, simazine disappearance rates during ozonation at pH 9.9 were similar to those observed during ozone and UV oxidation.</description><identifier>ISSN: 1061-4303</identifier><identifier>EISSN: 1554-7531</identifier><identifier>DOI: 10.2175/106143095X131565</identifier><language>eng</language><publisher>Alexandria, VA: Water Environment Federation</publisher><subject>Applied sciences ; Biological and physicochemical phenomena ; CHEMICAL DEGRADATION ; Chemical oxidation ; CHEMICAL REACTIONS ; CYANURIC ACID ; DEGRADACION ; DEGRADATION ; Exact sciences and technology ; FOTOLISIS ; Groundwater ; Herbicides ; Irradiation ; Kinetics ; Natural water pollution ; OXIDACION ; OXIDATION ; OXYDATION ; OZONE ; OZONO ; Pesticides ; PHOTOLYSE ; PHOTOLYSIS ; Pollution ; Potable water ; RADIACION ULTRAVIOLETA ; RAYONNEMENT ULTRAVIOLET ; REACCIONES QUIMICAS ; REACTION CHIMIQUE ; Research Papers ; SIMAZINA ; SIMAZINE ; Surface water ; ULTRAVIOLET RADIATION ; Water treatment and pollution</subject><ispartof>Water environment research, 1995-05, Vol.67 (3), p.340-346</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-c5190-28e33ae8af97200b8a7f062577eddc4cde49fd409a926226c68d5234049023a83</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25044562$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25044562$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,27903,27904,57995,58228</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3516526$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.)</creatorcontrib><creatorcontrib>Jensen, J.N</creatorcontrib><creatorcontrib>Weber, A.S</creatorcontrib><title>Oxidation of simazine: ozone, ultraviolet, and combined ozone/ultraviolet oxidation</title><title>Water environment research</title><description>A laboratory study was conducted to investigate the kinetics and byproducts of simazine oxidation by ozone, ultraviolet radiation (UV), and combined ozone and UV. Byproducts were identified by HPLC. Simazine was oxidized rapidly by ozone, UV, and ozone and UV. For example, 4 mg/L simazine disappeared completely after oxidation by 34 mg/min ozone at pH 7.2 for 15 minutes. Simazine disappearance rates during ozonation increased with applied ozone dose and pH. Dealkylation and dechlorination byproducts were formed, and deamination byproducts appeared at higher ozone doses or higher pH. During UV and ozone and UV oxidation, simazine disappearance rates increased with UV intensity. Dechlorination byproducts were formed by UV oxidation. Dealkylation, deamination, and dechlorination byproducts were formed by combined ozone and UV treatment. In comparing oxidation systems, simazine disappearance rates during ozonation at pH 9.9 were similar to those observed during ozone and UV oxidation.</description><subject>Applied sciences</subject><subject>Biological and physicochemical phenomena</subject><subject>CHEMICAL DEGRADATION</subject><subject>Chemical oxidation</subject><subject>CHEMICAL REACTIONS</subject><subject>CYANURIC ACID</subject><subject>DEGRADACION</subject><subject>DEGRADATION</subject><subject>Exact sciences and technology</subject><subject>FOTOLISIS</subject><subject>Groundwater</subject><subject>Herbicides</subject><subject>Irradiation</subject><subject>Kinetics</subject><subject>Natural water pollution</subject><subject>OXIDACION</subject><subject>OXIDATION</subject><subject>OXYDATION</subject><subject>OZONE</subject><subject>OZONO</subject><subject>Pesticides</subject><subject>PHOTOLYSE</subject><subject>PHOTOLYSIS</subject><subject>Pollution</subject><subject>Potable water</subject><subject>RADIACION ULTRAVIOLETA</subject><subject>RAYONNEMENT ULTRAVIOLET</subject><subject>REACCIONES QUIMICAS</subject><subject>REACTION CHIMIQUE</subject><subject>Research Papers</subject><subject>SIMAZINA</subject><subject>SIMAZINE</subject><subject>Surface water</subject><subject>ULTRAVIOLET RADIATION</subject><subject>Water treatment and pollution</subject><issn>1061-4303</issn><issn>1554-7531</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLw0AURoMoWKt7EYQsxFVj77wz7qTUBxQK1qK7MJ1MJCXN1JlUbX-9I6lF3LiaC-d833BvFJ0iuMJIsD4CjigByV4QQYyzvaiDGKOJYATthzngJHByGB15PwdAGAPtRJPxZ5mrprR1bIvYlwu1KWtzHduNrU0vXlWNU--lrUzTi1Wdx9ouZkHIW6H_i8f2p-k4OihU5c3J9u1G09vh0-A-GY3vHgY3o0QzJCHBqSFEmVQVUmCAWapEARwzIUyea6pzQ2WRU5BKYo4x1zzNGSYUqARMVEq60WXbu3T2bWV8ky1Kr01VqdrYlc-QAIqlgCBCK2pnvXemyJYubOrWGYLs-3rZ3-uFyMW2W3mtqsKpWpd-lyMMcYZ50FirfZSVWf9bmz0PHyFsEHLnbW7uG-t2OcyAUsZx4GctL5TN1KsLX08nkgPjUpAvQROPiQ</recordid><startdate>199505</startdate><enddate>199505</enddate><creator>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.)</creator><creator>Jensen, J.N</creator><creator>Weber, A.S</creator><general>Water Environment Federation</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>199505</creationdate><title>Oxidation of simazine: ozone, ultraviolet, and combined ozone/ultraviolet oxidation</title><author>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.) ; Jensen, J.N ; Weber, A.S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5190-28e33ae8af97200b8a7f062577eddc4cde49fd409a926226c68d5234049023a83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Applied sciences</topic><topic>Biological and physicochemical phenomena</topic><topic>CHEMICAL DEGRADATION</topic><topic>Chemical oxidation</topic><topic>CHEMICAL REACTIONS</topic><topic>CYANURIC ACID</topic><topic>DEGRADACION</topic><topic>DEGRADATION</topic><topic>Exact sciences and technology</topic><topic>FOTOLISIS</topic><topic>Groundwater</topic><topic>Herbicides</topic><topic>Irradiation</topic><topic>Kinetics</topic><topic>Natural water pollution</topic><topic>OXIDACION</topic><topic>OXIDATION</topic><topic>OXYDATION</topic><topic>OZONE</topic><topic>OZONO</topic><topic>Pesticides</topic><topic>PHOTOLYSE</topic><topic>PHOTOLYSIS</topic><topic>Pollution</topic><topic>Potable water</topic><topic>RADIACION ULTRAVIOLETA</topic><topic>RAYONNEMENT ULTRAVIOLET</topic><topic>REACCIONES QUIMICAS</topic><topic>REACTION CHIMIQUE</topic><topic>Research Papers</topic><topic>SIMAZINA</topic><topic>SIMAZINE</topic><topic>Surface water</topic><topic>ULTRAVIOLET RADIATION</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.)</creatorcontrib><creatorcontrib>Jensen, J.N</creatorcontrib><creatorcontrib>Weber, A.S</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Water environment research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lai, M.S. (Industrial Technology Research Institute, Hsinchu, Taiwan.)</au><au>Jensen, J.N</au><au>Weber, A.S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxidation of simazine: ozone, ultraviolet, and combined ozone/ultraviolet oxidation</atitle><jtitle>Water environment research</jtitle><date>1995-05</date><risdate>1995</risdate><volume>67</volume><issue>3</issue><spage>340</spage><epage>346</epage><pages>340-346</pages><issn>1061-4303</issn><eissn>1554-7531</eissn><abstract>A laboratory study was conducted to investigate the kinetics and byproducts of simazine oxidation by ozone, ultraviolet radiation (UV), and combined ozone and UV. Byproducts were identified by HPLC. Simazine was oxidized rapidly by ozone, UV, and ozone and UV. For example, 4 mg/L simazine disappeared completely after oxidation by 34 mg/min ozone at pH 7.2 for 15 minutes. Simazine disappearance rates during ozonation increased with applied ozone dose and pH. Dealkylation and dechlorination byproducts were formed, and deamination byproducts appeared at higher ozone doses or higher pH. During UV and ozone and UV oxidation, simazine disappearance rates increased with UV intensity. Dechlorination byproducts were formed by UV oxidation. Dealkylation, deamination, and dechlorination byproducts were formed by combined ozone and UV treatment. In comparing oxidation systems, simazine disappearance rates during ozonation at pH 9.9 were similar to those observed during ozone and UV oxidation.</abstract><cop>Alexandria, VA</cop><pub>Water Environment Federation</pub><doi>10.2175/106143095X131565</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1061-4303 |
| ispartof | Water environment research, 1995-05, Vol.67 (3), p.340-346 |
| issn | 1061-4303 1554-7531 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_17042970 |
| source | Jstor Complete Legacy |
| subjects | Applied sciences Biological and physicochemical phenomena CHEMICAL DEGRADATION Chemical oxidation CHEMICAL REACTIONS CYANURIC ACID DEGRADACION DEGRADATION Exact sciences and technology FOTOLISIS Groundwater Herbicides Irradiation Kinetics Natural water pollution OXIDACION OXIDATION OXYDATION OZONE OZONO Pesticides PHOTOLYSE PHOTOLYSIS Pollution Potable water RADIACION ULTRAVIOLETA RAYONNEMENT ULTRAVIOLET REACCIONES QUIMICAS REACTION CHIMIQUE Research Papers SIMAZINA SIMAZINE Surface water ULTRAVIOLET RADIATION Water treatment and pollution |
| title | Oxidation of simazine: ozone, ultraviolet, and combined ozone/ultraviolet oxidation |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-26T13%3A56%3A17IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-jstor_proqu&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Oxidation%20of%20simazine:%20ozone,%20ultraviolet,%20and%20combined%20ozone/ultraviolet%20oxidation&rft.jtitle=Water%20environment%20research&rft.au=Lai,%20M.S.%20(Industrial%20Technology%20Research%20Institute,%20Hsinchu,%20Taiwan.)&rft.date=1995-05&rft.volume=67&rft.issue=3&rft.spage=340&rft.epage=346&rft.pages=340-346&rft.issn=1061-4303&rft.eissn=1554-7531&rft_id=info:doi/10.2175/106143095X131565&rft_dat=%3Cjstor_proqu%3E25044562%3C/jstor_proqu%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=17042970&rft_id=info:pmid/&rft_jstor_id=25044562&rfr_iscdi=true |