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Degradation kinetics and pathway of 1H-benzotriazole during UV/chlorination process
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Lee, Jung-Eun | - |
dc.contributor.author | Kim, Moon-Kyung | - |
dc.contributor.author | Lee, Ji-Young | - |
dc.contributor.author | Lee, Young-Min | - |
dc.contributor.author | Zoh, Kyung-Duk | - |
dc.creator | 조경덕 | - |
dc.date.accessioned | 2020-01-23T07:42:12Z | - |
dc.date.available | 2020-04-05T07:42:12Z | - |
dc.date.created | 2020-02-26 | - |
dc.date.created | 2020-02-26 | - |
dc.date.issued | 2019-03 | - |
dc.identifier.citation | Chemical Engineering Journal, Vol.359, pp.1502-1508 | - |
dc.identifier.issn | 1385-8947 | - |
dc.identifier.uri | https://hdl.handle.net/10371/163945 | - |
dc.description.abstract | In this study, the removal kinetics and degradation mechanism of 1H-benzotriazole (BTA), which is widely used in anti-corrosive agents, during the UV/chlorination reaction were investigated, focusing on the UV-A/chlorination process. The UV-A/chlorination reaction showed a synergetic effect on the removal of BTA compared to UV-A photolysis or chlorination alone. The synergetic effect was due to the generation of hydroxyl radicals and reactive chlorine species. The removal of BTA during UV/chlorination followed pseudo-first-order kinetics. Faster removal of BTA was achieved when the chlorine dosage was increased. Alkaline pH favored the removal of BTA during UV-A/chlorination. The UV/chlorination of BTA achieved approximately 50% mineralization confirmed by total organic carbon within 12 h. As byproducts, formate and nitrate ions and five organic byproducts (m/z = 150.0307, 166.0252, 124.0147, 140.0071, and 154.0245) were identified by ion chromatography and LC-qTOF-MS. Based on the identified byproducts, we proposed the degradation pathway of BTA during the UV-A/chlorination reaction. Finally, toxicity test was performed during the UV-A/chlorination of BTA using a Microtox bioassay. The toxicity decreased during UV-A/chlorination of BTA, implying that the byproducts are less toxic than BTA. Our study indicates that the UV-A/chlorination process is effective not only in eliminating BTA, but also in decreasing toxicity. | - |
dc.language | 영어 | - |
dc.language.iso | ENG | en |
dc.publisher | Elsevier BV | - |
dc.title | Degradation kinetics and pathway of 1H-benzotriazole during UV/chlorination process | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.cej.2018.11.026 | - |
dc.citation.journaltitle | Chemical Engineering Journal | - |
dc.identifier.wosid | 000454137400144 | - |
dc.identifier.scopusid | 2-s2.0-85056334572 | - |
dc.description.srnd | OAIID:RECH_ACHV_DSTSH_NO:T201916651 | - |
dc.description.srnd | RECH_ACHV_FG:RR00200001 | - |
dc.description.srnd | ADJUST_YN: | - |
dc.description.srnd | EMP_ID:A072570 | - |
dc.description.srnd | CITE_RATE:8.355 | - |
dc.description.srnd | DEPT_NM:환경보건학과 | - |
dc.description.srnd | EMAIL:zohkd@snu.ac.kr | - |
dc.description.srnd | SCOPUS_YN:Y | - |
dc.citation.endpage | 1508 | - |
dc.citation.startpage | 1502 | - |
dc.citation.volume | 359 | - |
dc.description.isOpenAccess | N | - |
dc.contributor.affiliatedAuthor | Lee, Young-Min | - |
dc.contributor.affiliatedAuthor | Zoh, Kyung-Duk | - |
dc.identifier.srnd | T201916651 | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.subject.keywordPlus | MUNICIPAL WASTE-WATER | - |
dc.subject.keywordPlus | ADVANCED OXIDATION PROCESS | - |
dc.subject.keywordPlus | TRANSFORMATION PRODUCTS | - |
dc.subject.keywordPlus | CORROSION-INHIBITORS | - |
dc.subject.keywordPlus | ULTRAVIOLET FILTERS | - |
dc.subject.keywordPlus | PROTEOMIC RESPONSES | - |
dc.subject.keywordPlus | PPCP DEGRADATION | - |
dc.subject.keywordPlus | TREATMENT-PLANT | - |
dc.subject.keywordPlus | UV PHOTOLYSIS | - |
dc.subject.keywordPlus | BENZOTRIAZOLE | - |
dc.subject.keywordAuthor | UV/chlorination | - |
dc.subject.keywordAuthor | UV photolysis | - |
dc.subject.keywordAuthor | Chlorination | - |
dc.subject.keywordAuthor | Mineralization | - |
dc.subject.keywordAuthor | By-products | - |
dc.subject.keywordAuthor | Microtox test | - |
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