乙草胺在水溶液中的光降解研究
【目的】通过研究乙草胺在水溶液中的光降解反应,为有效去除水体中的乙草胺提供理论依据。【方法】采用高效液相色谱对乙草胺水溶液（不添加任何试剂、添加H_2O_2、添加H_2O_2/Fe~（2＋））在氙灯和汞灯照射条件下的降解行为进行研究。【结果】10mg/L乙草胺在氙灯照射600 min后降解了95.33%,在汞灯照射10 min后降解了95.15%;在氙灯照射240 min后,不添加任何试剂、添加H_2O_2和添加H_2O_2/Fe~（2＋）的乙草胺分别降解了70.61%、84.28%和92.16%。【结论】乙草胺在水溶液中的光降解属于一级动力学反应,光降解速率次序为汞灯〉氙灯＋H_2O_2/F...
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| Published in | 西南农业学报 Vol. 31; no. 2; pp. 404 - 408 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
广西大学亚热带农业生物资源保护与利用国家重点实验室,广西南宁530004%广西大学亚热带农业生物资源保护与利用国家重点实验室,广西南宁530004
2018
广西大学化学化工学院,广西南宁530004 广西大学生命科学与技术学院,广西南宁530004 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4829 |
| DOI | 10.16213/j.cnki.scjas.2018.2.031 |
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| Abstract | 【目的】通过研究乙草胺在水溶液中的光降解反应,为有效去除水体中的乙草胺提供理论依据。【方法】采用高效液相色谱对乙草胺水溶液（不添加任何试剂、添加H_2O_2、添加H_2O_2/Fe~（2＋））在氙灯和汞灯照射条件下的降解行为进行研究。【结果】10mg/L乙草胺在氙灯照射600 min后降解了95.33%,在汞灯照射10 min后降解了95.15%;在氙灯照射240 min后,不添加任何试剂、添加H_2O_2和添加H_2O_2/Fe~（2＋）的乙草胺分别降解了70.61%、84.28%和92.16%。【结论】乙草胺在水溶液中的光降解属于一级动力学反应,光降解速率次序为汞灯〉氙灯＋H_2O_2/Fe~（2＋）〉氙灯＋H_2O_2〉氙灯,且乙草胺添加H_2O_2、添加H_2O_2/Fe~（2＋）与不添加任何试剂所产生的降解产物不同。 |
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| AbstractList | O626.4; [目的]通过研究乙草胺在水溶液中的光降解反应,为有效去除水体中的乙草胺提供理论依据.[方法]采用高效液相色谱对乙草胺水溶液(不添加任何试剂、添加H2O2、添加H2O2/Fe2+)在氙灯和汞灯照射条件下的降解行为进行研究.[结果]10mg/L乙草胺在氙灯照射600 min后降解了95.33％,在汞灯照射10 min后降解了95.15％;在氙灯照射240 min后,不添加任何试剂、添加H2O2和添加H2O2/Fe2+的乙草胺分别降解了70.61％、84.28％和92.16％.[结论]乙草胺在水溶液中的光降解属于一级动力学反应,光降解速率次序为汞灯＞氙灯+ H2O2/Fe2+＞氙灯+ H2O2＞氙灯,且乙草胺添加H2O2、添加H2O2/Fe2+与不添加任何试剂所产生的降解产物不同. 【目的】通过研究乙草胺在水溶液中的光降解反应,为有效去除水体中的乙草胺提供理论依据。【方法】采用高效液相色谱对乙草胺水溶液（不添加任何试剂、添加H_2O_2、添加H_2O_2/Fe~（2＋））在氙灯和汞灯照射条件下的降解行为进行研究。【结果】10mg/L乙草胺在氙灯照射600 min后降解了95.33%,在汞灯照射10 min后降解了95.15%;在氙灯照射240 min后,不添加任何试剂、添加H_2O_2和添加H_2O_2/Fe~（2＋）的乙草胺分别降解了70.61%、84.28%和92.16%。【结论】乙草胺在水溶液中的光降解属于一级动力学反应,光降解速率次序为汞灯〉氙灯＋H_2O_2/Fe~（2＋）〉氙灯＋H_2O_2〉氙灯,且乙草胺添加H_2O_2、添加H_2O_2/Fe~（2＋）与不添加任何试剂所产生的降解产物不同。 |
| Abstract_FL | [Objective] In order to provide a good theoretical basis for the degradation of acetochlor in water,the photodegradation of acetochlor in aqueous solution was investigated.[Method]The degradation of acetochlor in aqueous solution (without additive,with H2O2,with H2O2/Fe2+) under xenon lampand mercury lamp radiation were investigated using high performance liquid chromatography (HPLC).[Result] The degradation rates of acetochlor at the initial concentration of 10 mg/L were 95.33 ％ and 95.15 ％ under the radiation of xenon lamp for 600 min and mercury lamp for 10 min,respectively.Under xenon lamp radiation for 240 min,the degradation rates were 70.61％,84.28 ％ and 92.61％ without additive,with H2O2 and with H2O2/Ee2+,respectively.[Conclusion] The photodegradation process of acetochlor under the four conditions conformed to the first order kinetics.The photolysis rate of acetochlor in aqueous solution was in the or der of mercury lamp ＞ xenon lamp with H2O2/Fe2+ ＞ xenon lamp with H2O2 ＞ xenon lamp,and the degradation products with H2 O2 and with H2O2/Fe2+ were different from that without additive under light radiation. |
| Author | 赖晓丹;韦蕾;杜良伟;冯家勋 |
| AuthorAffiliation | 广西大学化学化工学院,广西南宁530004;广西大学亚热带农业生物资源保护与利用国家重点实验室,广西南宁530004;广西大学生命科学与技术学院,广西南宁530004 |
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| Author_FL | DU Liang-wei FENG Jia-xun WEI Lei LAI Xiao-dan |
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| Author_xml | – sequence: 1 fullname: 赖晓丹;韦蕾;杜良伟;冯家勋 |
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| DOI | 10.16213/j.cnki.scjas.2018.2.031 |
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| DocumentTitleAlternate | Photodegradation of Acetochlor in Aqueous Solution |
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| Keywords | Photodegradation 光催化 Acetochlor 光降解 乙草胺 Photocatalysis |
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| Notes | 51-1213/S Photodegradation; Acetochlor; Photocatalysis Objective】In order to provide a good theoretical basis for the degradation of acetochlor in water,the photodegradation of acetochlor in aqueous solution was investigated.【Method】The degradation of acetochlor in aqueous solution（without additive,with H_2O_2,with H_2O_2/Fe~（2＋））under xenon lampand mercury lamp radiation were investigated using high performance liquid chromatography（HPLC）.【Result】The degradation rates of acetochlor at the initial concentration of 10 mg/L were 95.33%and 95.15%under the radiation of xenon lamp for 600 min and mercury lamp for 10 min,respectively.Under xenon lamp radiation for 240 min,the degradation rates were 70.61%,84.28%and 92.61%without additive,with H_2O_2and with H_2O_2/Fe~（2＋）,respectively.【Conclusion】The photodegradation process of acetochlor under the four conditions conformed to the first order kinetics.The photolysis rate of acetochlor in aqueous solution was in the order of mercury lampxenon lamp with H_2O_2/Fe~（2＋）x |
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| PublicationYear | 2018 |
| Publisher | 广西大学亚热带农业生物资源保护与利用国家重点实验室,广西南宁530004%广西大学亚热带农业生物资源保护与利用国家重点实验室,广西南宁530004 广西大学化学化工学院,广西南宁530004 广西大学生命科学与技术学院,广西南宁530004 |
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| Snippet | 【目的】通过研究乙草胺在水溶液中的光降解反应,为有效去除水体中的乙草胺提供理论依据。【方法】采用高效液相色谱对乙草胺水溶液（不添加任何试剂、添加H_2O_2、添加H_2O_2/Fe~（2＋））在氙灯和汞灯照射条件下的降解行为进行研究。【结果】10mg/L乙草胺在氙灯照射600... O626.4; [目的]通过研究乙草胺在水溶液中的光降解反应,为有效去除水体中的乙草胺提供理论依据.[方法]采用高效液相色谱对乙草胺水溶液(不添加任何试剂、添加H2O2、添加H2O2/Fe2+)在氙灯和汞灯照射条件下的降解行为进行研究.[结果]10mg/L乙草胺在氙灯照射600... |
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| StartPage | 404 |
| SubjectTerms | 光降解;乙草胺;光催化 |
| Title | 乙草胺在水溶液中的光降解研究 |
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