Article(id=1319986874651885570, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210630, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1628265600000, receivedDateStr=2021-08-07, revisedDate=1639152000000, revisedDateStr=2021-12-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1792638995087, onlineDateStr=2026-10-22, pubDate=1652976000000, pubDateStr=2022-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792638995087, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792638995087, creator=13701087609, updateTime=1792638995087, updator=13701087609, issue=Issue{id=1319986871980118160, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='5', pageStart='1201', pageEnd='1454', issueExtLink='null', onlineDate='null', pubDate='1652976000000', pubDateStr='2022-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792638994450, creator='13701087609', updateTime=1792639285419, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319988092451275233, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319988092451275234, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319986871980118160, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1364, endPage=1374, ext={EN=ArticleExt(id=1319986874832240643, articleId=1319986874651885570, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Amine-Functionalized Fe3O4@SiO2 Nanoparticles for Removal of Cr(VI) from Aqueous Solution, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Hexavalent chromium (Cr(VI)) has attracted much attention due to its high toxicity. In order to improve the efficiency of Cr(VI) removal by adsorption, core-shell structured polyethyleneimine (PEI) functionalized composite nanoparticles (Fe3O4@SiO2-NH2) were synthesized to remove Cr(VI) in water. The chemical structure, morphology and magnetic properties of the nanoparticles were investigated. The effects of initial concentration, contact time, solution pH value and inorganic anions on the Cr(VI) adsorption efficiency were analyzed. The results show that Fe3O4@SiO2-NH2 has an excellent performance in removing Cr(VI), and its maximum adsorption capacity is 251.83 mg/g. The adsorption process is pH value-dependent, spontaneous, and endothermic. Fe3O4@SiO2-NH2 is protonated, and the adsorption of Cr(VI) is completed due to the electrostatic attraction. Also, according to the results by X-ray photoelectron spectroscopy, part of Cr(VI) can be reduced to low-toxic Cr(VI). Fe3O4@SiO2-NH2 has a good reusability after removing Cr(VI) in water, and the duration for effective magnetic separation after the removal is just 50 s.

, authors=Xuqing WAN, Han SUN, Lei WANG, Xudong WANG, Wanying WANG, Tian PEI, authorsList=Xuqing WAN, Han SUN, Lei WANG, Xudong WANG, Wanying WANG, Tian PEI, authorCompany=null, correspAuthors=Lei WANG, authorNote=

WAN Xuqing (1997-), male, Master candidate. E-mail:

, correspAuthorsNote=
WANG Lei (1971-), male, Ph.D., Professor. E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319986875075510276, articleId=1319986874651885570, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=胺化Fe3O4@SiO2纳米颗粒的制备及其对水溶液中Cr(VI)的去除, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

六价铬(Cr(VI))因其高毒性受到人们广泛关注,为提高吸附法去除Cr(VI)的效率,合成了一种新型核壳结构的聚乙烯亚胺(PEI)功能化复合纳米颗粒(Fe3O4@SiO2-NH2),用于去除水中Cr(VI)。研究了磁性纳米颗粒的化学结构、形貌和磁性特性。考察了初始浓度、吸附时间、溶液pH值和无机阴离子对Cr(VI)吸附效率的影响。Fe3O4@SiO2-NH2在去除Cr(VI)方面表现出优异的性能,其最大吸附容量为251.83 mg/g。吸附过程具有pH值依赖性,自发性,吸热性。Fe3O4@SiO2-NH2质子化,通过静电吸引完成对Cr(VI)的吸附。同时X射线光电子能谱结果表明,部分Cr(VI)被还原为低毒的Cr(III)。Fe3O4@SiO2-NH2去除水中Cr(VI)时具有良好的重复使用性,且磁选时间仅需50 s。

, authors=万徐庆, 孙涵, 王磊, 王旭东, 汪婉莹, 裴添, authorsList=万徐庆, 孙涵, 王磊, 王旭东, 汪婉莹, 裴添, authorCompany=null, correspAuthors=王磊, authorNote=

万徐庆(1997—),男,硕士研究生。

, correspAuthorsNote=
王磊(1971—),男,博士,教授。
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胺化Fe3O4@SiO2纳米颗粒的制备及其对水溶液中Cr(VI)的去除
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万徐庆 , 孙涵 , 王磊 , 王旭东 , 汪婉莹 , 裴添
硅酸盐学报 | 研究论文 2022,50(5): 1364-1374
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硅酸盐学报 |研究论文 2022 , 50 (5) : 1364 -1374
胺化Fe3O4@SiO2纳米颗粒的制备及其对水溶液中Cr(VI)的去除
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万徐庆 , 孙涵, 王磊 , 王旭东, 汪婉莹, 裴添
作者信息
  • 西安建筑科技大学环境与市政工程学院,陕西省膜分离研究院,陕西省膜分离重点实验室,陕西省环境工程重点实验室,西安 710055
通讯作者:
王磊(1971—),男,博士,教授。
作者简介:

万徐庆(1997—),男,硕士研究生。

Preparation of Amine-Functionalized Fe3O4@SiO2 Nanoparticles for Removal of Cr(VI) from Aqueous Solution
Xuqing WAN , Han SUN, Lei WANG , Xudong WANG, Wanying WANG, Tian PEI
Affiliations
  • Department of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Research Institute of Membrane Separation Technology of Shaanxi Province, Key Laboratory of Membrane Separation of Shaanxi Province, Shaanxi Key Laboratory of Environment Engineering, Xi'an 710055, China
  • Corresponding Author:
    WANG Lei (1971-), male, Ph.D., Professor. E-mail:

    WAN Xuqing (1997-), male, Master candidate. E-mail:

出版时间: 2022-05-20 doi: 10.14062/j.issn.0454-5648.20210630
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六价铬(Cr(VI))因其高毒性受到人们广泛关注,为提高吸附法去除Cr(VI)的效率,合成了一种新型核壳结构的聚乙烯亚胺(PEI)功能化复合纳米颗粒(Fe3O4@SiO2-NH2),用于去除水中Cr(VI)。研究了磁性纳米颗粒的化学结构、形貌和磁性特性。考察了初始浓度、吸附时间、溶液pH值和无机阴离子对Cr(VI)吸附效率的影响。Fe3O4@SiO2-NH2在去除Cr(VI)方面表现出优异的性能,其最大吸附容量为251.83 mg/g。吸附过程具有pH值依赖性,自发性,吸热性。Fe3O4@SiO2-NH2质子化,通过静电吸引完成对Cr(VI)的吸附。同时X射线光电子能谱结果表明,部分Cr(VI)被还原为低毒的Cr(III)。Fe3O4@SiO2-NH2去除水中Cr(VI)时具有良好的重复使用性,且磁选时间仅需50 s。

复合磁性纳米颗粒  /  核壳结构  /  六价铬  /  吸附

Hexavalent chromium (Cr(VI)) has attracted much attention due to its high toxicity. In order to improve the efficiency of Cr(VI) removal by adsorption, core-shell structured polyethyleneimine (PEI) functionalized composite nanoparticles (Fe3O4@SiO2-NH2) were synthesized to remove Cr(VI) in water. The chemical structure, morphology and magnetic properties of the nanoparticles were investigated. The effects of initial concentration, contact time, solution pH value and inorganic anions on the Cr(VI) adsorption efficiency were analyzed. The results show that Fe3O4@SiO2-NH2 has an excellent performance in removing Cr(VI), and its maximum adsorption capacity is 251.83 mg/g. The adsorption process is pH value-dependent, spontaneous, and endothermic. Fe3O4@SiO2-NH2 is protonated, and the adsorption of Cr(VI) is completed due to the electrostatic attraction. Also, according to the results by X-ray photoelectron spectroscopy, part of Cr(VI) can be reduced to low-toxic Cr(VI). Fe3O4@SiO2-NH2 has a good reusability after removing Cr(VI) in water, and the duration for effective magnetic separation after the removal is just 50 s.

composite magnetic nanoparticles  /  core-shell structure  /  hexavalent chromium  /  adsorption
万徐庆, 孙涵, 王磊, 王旭东, 汪婉莹, 裴添. 胺化Fe3O4@SiO2纳米颗粒的制备及其对水溶液中Cr(VI)的去除. 硅酸盐学报, 2022 , 50 (5) : 1364 -1374 . DOI: 10.14062/j.issn.0454-5648.20210630
Xuqing WAN, Han SUN, Lei WANG, Xudong WANG, Wanying WANG, Tian PEI. Preparation of Amine-Functionalized Fe3O4@SiO2 Nanoparticles for Removal of Cr(VI) from Aqueous Solution[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (5) : 1364 -1374 . DOI: 10.14062/j.issn.0454-5648.20210630
  • 陕西省技术创新引导专项(2018HJCG-18)
  • 自然科学基础研究计划(2019JM-596)
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doi: 10.14062/j.issn.0454-5648.20210630
  • 接收时间:2021-08-07
  • 首发时间:2026-10-22
  • 出版时间:2022-05-20
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  • 收稿日期:2021-08-07
  • 修回日期:2021-12-11
基金
陕西省技术创新引导专项(2018HJCG-18)
自然科学基础研究计划(2019JM-596)
作者信息
    西安建筑科技大学环境与市政工程学院,陕西省膜分离研究院,陕西省膜分离重点实验室,陕西省环境工程重点实验室,西安 710055

通讯作者:

王磊(1971—),男,博士,教授。
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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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