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Optimization of photolysis of diclofenac using a response surface methodology
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Im, Jong-Kwon | - |
dc.contributor.author | Kim, Moon-Kyung | - |
dc.contributor.author | Zoh, Kyung-Duk | - |
dc.creator | 조경덕 | - |
dc.date.accessioned | 2013-10-10T01:27:01Z | - |
dc.date.available | 2013-10-10T01:27:01Z | - |
dc.date.issued | 2013-02-15 | - |
dc.identifier.citation | Water Science & Technology Vol.67 No.4, pp. 907-914 | - |
dc.identifier.issn | 0273-1223 | - |
dc.identifier.uri | https://hdl.handle.net/10371/83604 | - |
dc.description.abstract | This study investigates the effects of environmental parameters such as UV intensity (X-1, 2.1 similar to 6.3 mW/cm(2)), Fe(III) (X-2, 0 similar to 0.94 mg/L), NO3- (X-3, 0 similar to 20 mg/L) and humic acid (X-4, 0 similar to 30 mg/L) on the removal efficiency of diclofenac (DCF, Y), and optimization using a response surface methodology (RSM) based on Box-Behnken design (BBD). According to analysis of variance and t-test results (p < 0.001), the proposed quadratic BBD model based on a total of 29 experimental runs fitted well to the experimental data. Moreover, the determination coefficient (R-2 = 0.990) and adjusted determination coefficient (R-a(2) = 0.981) indicated that this model is adequate with a high goodness-of-fit. Variables of X-1, X-2 and X-3 had significant positive contributions (p < 0.001), while X-4 had significant negative contribution to the DCF removal (p < 0.001). A Pareto analysis showed that X-4 was the most important factor (57.18%) in DCF photolytic removal. The predicted and observed DCF removal were 94.98 and 94.2% under optimal conditions (X-1 = 6.29 mW/cm(2), X-2 = 0.75 mg/L, X-3 = 15.65 mg/L and X-4 = zero), respectively. The RSM not only gives valuable information on the interactions between these photoreactive species (UV intensity, Fe(III), NO3-, and humic acid) that influence DCF removal, but also identifies the optimal conditions for effective DCF removal in water. | en |
dc.description.sponsorship | This work was supported by the National Research
Foundation of Korea (NRF) grant funded by the Korean Government (MEST) (No. 2010-0014222). | - |
dc.language.iso | en | en |
dc.publisher | IWA Publishing | en |
dc.subject | 복합학 | en |
dc.subject | Box-Behnken design | - |
dc.subject | diclofenac | - |
dc.subject | humic acid | - |
dc.subject | iron(lll) | - |
dc.subject | nitrate | - |
dc.subject | photolysis | - |
dc.title | Optimization of photolysis of diclofenac using a response surface methodology | en |
dc.type | Article | - |
dc.author.alternative | 조경덕 | - |
dc.author.alternative | 임종권 | - |
dc.author.alternative | 김문경 | - |
dc.identifier.doi | 10.2166/wst.2012.634 | - |
dc.citation.journaltitle | Water Science & Technology | - |
dc.description.srnd | OAIID:oai:osos.snu.ac.kr:snu2013-01/102/0000005866/2 | - |
dc.description.srnd | SEQ:2 | - |
dc.description.srnd | PERF_CD:SNU2013-01 | - |
dc.description.srnd | EVAL_ITEM_CD:102 | - |
dc.description.srnd | USER_ID:0000005866 | - |
dc.description.srnd | ADJUST_YN:Y | - |
dc.description.srnd | EMP_ID:A072570 | - |
dc.description.srnd | DEPT_CD:903 | - |
dc.description.srnd | CITE_RATE:1.122 | - |
dc.description.srnd | FILENAME:첨부된 내역이 없습니다. | - |
dc.description.srnd | DEPT_NM:환경보건학과 | - |
dc.description.srnd | EMAIL:zohkd@snu.ac.kr | - |
dc.description.srnd | SCOPUS_YN:N | - |
dc.description.srnd | CONFIRM:Y | - |
dc.identifier.srnd | 2013-01/102/0000005866/2 | - |
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