Article(id=1322612359542190341, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612265061306700, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.2020.05.20190579, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1566403200000, receivedDateStr=2019-08-22, revisedDate=1571673600000, revisedDateStr=2019-10-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264959463, onlineDateStr=2026-10-29, pubDate=1589904000000, pubDateStr=2020-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264959463, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264959463, creator=13701087609, updateTime=1793264959463, updator=13701087609, issue=Issue{id=1322612265061306700, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='5', pageStart='615', pageEnd='786', issueExtLink='null', onlineDate='null', pubDate='1589904000000', pubDateStr='2020-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264936938, creator='13701087609', updateTime=1793276961694, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322662700602208333, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612265061306700, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322662700602208334, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612265061306700, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=730, endPage=738, ext={EN=ArticleExt(id=1322612360926310662, articleId=1322612359542190341, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Degradation of Dye and Ammonia by Cu/Fe-Layered Doubled Hydroxide as Heterogeneous Photoactivator of NaClO, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Cu/Fe-layered doubled hydroxide (CuFe LDH) prepared by a coprecipitation method was used to degrade methylene blue (MB) and ammonia as a heterogeneous photoactivator of NaClO. The micro-morphology, reaction kinetics and degradation mechanism were investigated. The layered structure of the samples with Cu/Fe molar ratios from 2∶1 to 4∶1 was analyzed. The catalyst with Cu/Fe molar ratio of 3∶1 exhibits the optimum performance under given conditions (i.e., catalyst dosage of 0.5 g/L and NaClO of 0.075 mL), and the pseudo-first-order rate constant of 30 mL MB (100 mg/L) is 7.9 times greater than that without any catalyst. 30 mL ammonia (100 mg/L) at the catalyst dosage of 3 g/L and NaClO of 0.3 mL can be degraded by 99.5% within 1 min, compared to that of 66.6% without any catalyst. Based on the radical quenching experimental results, the superoxide radicals are the dominant reactive oxidants, and also involve chlorine radicals and hydroxyl radicals. The results by electrochemical impedance spectra and X-ray photoelectron spectroscopy reveal that the photoelectrons can accelerate the in-situ regeneration of reaction activity sites on the surface of catalyst and increase the separation efficiency of photo-induced charges in CuFe LDH/NaClO/light system, resulting in the improved degradation of waste water pollutants.

, authors=Guoping ZHAO1, Yangyang WANG2, Na LI1, Shengrui SUN2, Yangqiao LIU2, authorsList=Guoping ZHAO, Yangyang WANG, Na LI, Shengrui SUN, Yangqiao LIU, authorCompany=null, correspAuthors=Shengrui SUN, Yangqiao LIU, authorNote=

Zhao Guoping (1981-), male, Senior Engineer. E-mail:

, correspAuthorsNote=
SUN Shengrui (1984-), female, Ph.D., Assistant Professor; E-mail:
LIU Yangqiao (1973-), female, Ph.D., Professor
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采用共沉淀法制备铜铁类水滑石(CuFe LDH),将其应用于染料和氨氮的光-次氯酸钠协同催化降解实验中,研究了Cu-Fe比例对CuFe LDH形貌的影响,及CuFe LDH对亚甲基蓝(MB)和氨氮的光化学催化降解效果。结果表明:比例在2∶1~4∶1时均能形成LDH结构,Cu-Fe比例为3∶1时,降解MB的动力学常数是无催化剂的7.9倍,反应1 min时氨氮的降解率为99.5%高于无催化剂的66.6%;利用自由基捕获剂证明降解过程主要由超氧自由基实现,同时存在氯自由基和少量羟基自由基;CuFe LDH在光化学催化过程中实现了表面活性位点的持续再生和电子-空穴对的高效分离。

, authors=赵国萍1, 王杨杨2, 李娜1, 孙盛睿2, 刘阳桥2, authorsList=赵国萍, 王杨杨, 李娜, 孙盛睿, 刘阳桥, authorCompany=null, correspAuthors=孙盛睿, 刘阳桥, authorNote=

赵国萍(1981—),男,高级工程师。

, correspAuthorsNote=
孙盛睿(1984—),女,博士,助理研究员。
刘阳桥(1973—),女,博士,研究员。
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铜铁类水滑石光化学催化降解染料和氨氮应用
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赵国萍 1 , 王杨杨 2 , 李娜 1 , 孙盛睿 2 , 刘阳桥 2
硅酸盐学报 | 2020,48(5): 730-738
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硅酸盐学报 | 2020 , 48 (5) : 730 -738
铜铁类水滑石光化学催化降解染料和氨氮应用
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赵国萍1 , 王杨杨2, 李娜1, 孙盛睿2 , 刘阳桥2
作者信息
  • 1.浙江天地环保科技有限公司,杭州 311121
  • 2.中国科学院上海硅酸盐研究所,上海 200050
通讯作者:
孙盛睿(1984—),女,博士,助理研究员。
刘阳桥(1973—),女,博士,研究员。
作者简介:

赵国萍(1981—),男,高级工程师。

Degradation of Dye and Ammonia by Cu/Fe-Layered Doubled Hydroxide as Heterogeneous Photoactivator of NaClO
Guoping ZHAO1 , Yangyang WANG2, Na LI1, Shengrui SUN2 , Yangqiao LIU2
Affiliations
  • 1.Zhejiang Tiandi Environmental Protection Technology Co., Ltd., Hangzhou 311121, China
  • 2.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • Corresponding Author:
    SUN Shengrui (1984-), female, Ph.D., Assistant Professor; E-mail:
    LIU Yangqiao (1973-), female, Ph.D., Professor

    Zhao Guoping (1981-), male, Senior Engineer. E-mail:

出版时间: 2020-05-20 doi: 10.14062/j.issn.0454-5648.2020.05.20190579
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采用共沉淀法制备铜铁类水滑石(CuFe LDH),将其应用于染料和氨氮的光-次氯酸钠协同催化降解实验中,研究了Cu-Fe比例对CuFe LDH形貌的影响,及CuFe LDH对亚甲基蓝(MB)和氨氮的光化学催化降解效果。结果表明:比例在2∶1~4∶1时均能形成LDH结构,Cu-Fe比例为3∶1时,降解MB的动力学常数是无催化剂的7.9倍,反应1 min时氨氮的降解率为99.5%高于无催化剂的66.6%;利用自由基捕获剂证明降解过程主要由超氧自由基实现,同时存在氯自由基和少量羟基自由基;CuFe LDH在光化学催化过程中实现了表面活性位点的持续再生和电子-空穴对的高效分离。

铜铁类水滑石  /  次氯酸钠  /  亚甲基蓝  /  氨氮  /  超氧自由基

Cu/Fe-layered doubled hydroxide (CuFe LDH) prepared by a coprecipitation method was used to degrade methylene blue (MB) and ammonia as a heterogeneous photoactivator of NaClO. The micro-morphology, reaction kinetics and degradation mechanism were investigated. The layered structure of the samples with Cu/Fe molar ratios from 2∶1 to 4∶1 was analyzed. The catalyst with Cu/Fe molar ratio of 3∶1 exhibits the optimum performance under given conditions (i.e., catalyst dosage of 0.5 g/L and NaClO of 0.075 mL), and the pseudo-first-order rate constant of 30 mL MB (100 mg/L) is 7.9 times greater than that without any catalyst. 30 mL ammonia (100 mg/L) at the catalyst dosage of 3 g/L and NaClO of 0.3 mL can be degraded by 99.5% within 1 min, compared to that of 66.6% without any catalyst. Based on the radical quenching experimental results, the superoxide radicals are the dominant reactive oxidants, and also involve chlorine radicals and hydroxyl radicals. The results by electrochemical impedance spectra and X-ray photoelectron spectroscopy reveal that the photoelectrons can accelerate the in-situ regeneration of reaction activity sites on the surface of catalyst and increase the separation efficiency of photo-induced charges in CuFe LDH/NaClO/light system, resulting in the improved degradation of waste water pollutants.

copper iron layered doubled hydroxide  /  sodium hypochlorite  /  methylene blue  /  ammonia  /  superoxide radical
赵国萍, 王杨杨, 李娜, 孙盛睿, 刘阳桥. 铜铁类水滑石光化学催化降解染料和氨氮应用. 硅酸盐学报, 2020 , 48 (5) : 730 -738 . DOI: 10.14062/j.issn.0454-5648.2020.05.20190579
Guoping ZHAO, Yangyang WANG, Na LI, Shengrui SUN, Yangqiao LIU. Degradation of Dye and Ammonia by Cu/Fe-Layered Doubled Hydroxide as Heterogeneous Photoactivator of NaClO[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (5) : 730 -738 . DOI: 10.14062/j.issn.0454-5648.2020.05.20190579
  • 国家自然科学基金(61574148; 51878647)
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doi: 10.14062/j.issn.0454-5648.2020.05.20190579
  • 接收时间:2019-08-22
  • 首发时间:2026-10-29
  • 出版时间:2020-05-20
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  • 收稿日期:2019-08-22
  • 修回日期:2019-10-22
基金
国家自然科学基金(61574148; 51878647)
作者信息
    1.浙江天地环保科技有限公司,杭州 311121
    2.中国科学院上海硅酸盐研究所,上海 200050

通讯作者:

孙盛睿(1984—),女,博士,助理研究员。
刘阳桥(1973—),女,博士,研究员。
参考文献
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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