Article(id=1319973094756827908, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319973069423231598, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230297, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1683216000000, receivedDateStr=2023-05-05, revisedDate=1686067200000, revisedDateStr=2023-06-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1792635709704, onlineDateStr=2026-10-22, pubDate=1716134400000, pubDateStr=2024-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792635709704, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792635709704, creator=13701087609, updateTime=1792635709704, updator=13701087609, issue=Issue{id=1319973069423231598, tenantId=1146029695717560320, journalId=1263187385517883426, year='2024', volume='52', issue='5', pageStart='1477', pageEnd='1788', issueExtLink='null', onlineDate='null', pubDate='1716134400000', pubDateStr='2024-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792635703664, creator='13701087609', updateTime=1792641791199, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319998602462741464, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319973069423231598, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319998602462741465, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319973069423231598, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1578, endPage=1588, ext={EN=ArticleExt(id=1319973094983320325, articleId=1319973094756827908, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Nitrogen-Doped Graphitic Carbon Supported Fe-Mn Prussian Blue Analogues Derived FeMnO and Removal of RhB by Activated Peroxymonosulfate, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=
Introduction

Water shortage and pollution become serious due to the improvement of economic and the acceleration of industrialization. Water bodies contain a large number of pollutants, affecting the environment and human-being health. Heterogeneous catalyst activation of peroxymonosulfate (PMS) is an effective degradation technology for organic pollutants, but SO4-· is difficult to effectively activate due to the high redox potential. It is thus necessary to develop catalytic materials that can activate PMS efficiently. The metal organic frame materials based on Prussian blue have the typical physical and chemical characteristics of metal-organic framework (MOFs) materials, adjustable and controllable chemical composition, high specific surface area and porosity, and diversified structure and function, etc., which become the hot materials in various fields. The conversion of Prussian blue analogue (PBA) into nitrogen-doped carbon materials with a high specific surface area, a high porosity and a high nitrogen content through high-temperature calcination or inert gas carbonization is of great significance for improving the catalytic performance of the catalyst. In this paper, a nitrogen-doped carbon nanosheet supported FeMnO catalyst was prepared by a high-temperature carbonization method. Its catalytic degradation performance was analyzed. The effects of different systems, pH value of solution, Rhodamine B (RhB) initial mass concentration, PMS mass concentration and catalyst mass concentration on the RhB degradation were investigated. In addition, the possible mechanism of RhB degradation was also proposed.

Methods

Fe-Mn PBA and colloides were prepared by a co-precipitation method. After grinding, the catalyst was heated in nitrogen atmosphere at 750 ℃ at 2 ℃/min for 2 h to synthesize transition bimetal oxide (i.e., Fe0.099Mn0.9010/FeMn2O4) N-doped carbon nanosheets. Compared with FeMnO and graphite C, the degradation properties of FeMnO@C in different systems and under different factors were characterized by ultraviolet-visible spectroscopy (UV-Vis). The structure and morphology were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Fourier transform infrared spectroscopy (FT-IR).

Results and discussion

Heterogeneous catalyst activation of PMS can inhibit the dissolution of metal ions and it is not easy to cause secondary pollution. An efficient nitrogen-doped carbon catalyst FeMnO@C was obtained based on Fe-Mn PBA, which has a high specific surface area and provides a high density of active sites for catalytic reactions, and can effectively activate PMS to rapidly degrade organic pollutants. FeMnO@C has good magnetic properties, which can be conducive to recycling. The interaction between different metals in the double transition metal materials makes the metals difficult to be dissolved, greatly reducing the concentration of toxic metal ions in the system. The redox cycle between Mn and Fe ions on the surface of FeMnO@C catalyst and a series of free radicals generated after the self-decomposition of PMS make FeMnO@C have a superior catalytic degradation performance. The effects of PMS amount, initial concentration of RhB, catalyst amount and initial pH value of RhB solution on the catalytic performance were analyzed. The optimal reaction conditions were PMS concentration of 0.15 g/L, concentration of RhB solution of 20 mg/L, catalyst concentration of 0.1 g/L and pH value of 7. The possible degradation mechanism was proposed based on capture experiments and EPR spectra.

Conclusions

A transition bimetallic oxide catalyst supported by nitrogen-doped carbon nanosheets was synthesized by a high-temperature carbonization method, which could be used as an efficient PMS activated heterogeneous catalyst to degrade the target pollutant RhB. In the PMS activation system, the FeMnO@C catalyst could degrade 95.5% of RhB within 10 min. The redox cycling between Mn and Fe ions on the surface of the FeMnO@C catalyst and a series of free radicals generated after the self-decomposition of PMS could make the FeMnO@C have a superior catalytic degradation performance. The capture experiments showed that 1O2 was the main contributing radical. In addition, FeMnO@C catalyst also had a magnetic property and a good cyclic stability. 84.7% RhB removal rate could be obtained after five consecutive cycles. The results indicated that FeMnO@C had a good magnetic property, which could be easy to be recycled, having a promising potential in treating organic wastewater.

, authors=Jiahong ZHENG, Xin ZHENG, authorsList=Jiahong ZHENG, Xin ZHENG, authorCompany=null, correspAuthors=null, authorNote=

ZHENG Jiahong (1983-), female, Ph.D., Associate Professor. E-mail:

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非均相催化剂活化单过硫酸盐(PMS)是一种有效的有机污染物降解技术,但硫酸根自由基(SO4-·)受限于较高的氧化还原电位难以得到有效激活。采用高温碳化法合成了过渡族双金属氧化物(Fe0.099Mn0.901O/FeMn2O4)氮掺杂碳纳米片催化剂,在PMS活化体系中,FeMnO@C在10 min内对罗丹明B(RhB)的降解效率达到95.5%。FeMnO@C催化剂表面Mn、Fe离子之间的氧化还原循环过程同PMS自分解后产生的一系列自由基,使得FeMnO@C保持优异的催化降解性能。捕获实验表明1O2是主要贡献自由基。此外,FeMnO@C催化剂磁性可回收具有良好的循环稳定性,在连续5次循环后仍保持84.7%的RhB去除率。

, authors=郑佳红, 郑馨, authorsList=郑佳红, 郑馨, authorCompany=null, correspAuthors=null, authorNote=

郑佳红(1983—),女,博士,副教授。

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氮掺杂石墨碳负载Fe-Mn普鲁士蓝类似物衍生的FeMnO的制备及活化单过硫酸盐去除罗丹明B
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郑佳红 , 郑馨
硅酸盐学报 | 研究论文 2024,52(5): 1578-1588
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硅酸盐学报 |研究论文 2024 , 52 (5) : 1578 -1588
氮掺杂石墨碳负载Fe-Mn普鲁士蓝类似物衍生的FeMnO的制备及活化单过硫酸盐去除罗丹明B
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郑佳红 , 郑馨
作者信息
  • 长安大学材料科学与工程学院,西安 710021
作者简介:

郑佳红(1983—),女,博士,副教授。

Preparation of Nitrogen-Doped Graphitic Carbon Supported Fe-Mn Prussian Blue Analogues Derived FeMnO and Removal of RhB by Activated Peroxymonosulfate
Jiahong ZHENG , Xin ZHENG
Affiliations
  • School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
  • ZHENG Jiahong (1983-), female, Ph.D., Associate Professor. E-mail:

出版时间: 2024-05-20 doi: 10.14062/j.issn.0454-5648.20230297
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非均相催化剂活化单过硫酸盐(PMS)是一种有效的有机污染物降解技术,但硫酸根自由基(SO4-·)受限于较高的氧化还原电位难以得到有效激活。采用高温碳化法合成了过渡族双金属氧化物(Fe0.099Mn0.901O/FeMn2O4)氮掺杂碳纳米片催化剂,在PMS活化体系中,FeMnO@C在10 min内对罗丹明B(RhB)的降解效率达到95.5%。FeMnO@C催化剂表面Mn、Fe离子之间的氧化还原循环过程同PMS自分解后产生的一系列自由基,使得FeMnO@C保持优异的催化降解性能。捕获实验表明1O2是主要贡献自由基。此外,FeMnO@C催化剂磁性可回收具有良好的循环稳定性,在连续5次循环后仍保持84.7%的RhB去除率。

铁、锰普鲁士蓝类似物  /  氮掺杂碳材料  /  高级氧化技术
Introduction

Water shortage and pollution become serious due to the improvement of economic and the acceleration of industrialization. Water bodies contain a large number of pollutants, affecting the environment and human-being health. Heterogeneous catalyst activation of peroxymonosulfate (PMS) is an effective degradation technology for organic pollutants, but SO4-· is difficult to effectively activate due to the high redox potential. It is thus necessary to develop catalytic materials that can activate PMS efficiently. The metal organic frame materials based on Prussian blue have the typical physical and chemical characteristics of metal-organic framework (MOFs) materials, adjustable and controllable chemical composition, high specific surface area and porosity, and diversified structure and function, etc., which become the hot materials in various fields. The conversion of Prussian blue analogue (PBA) into nitrogen-doped carbon materials with a high specific surface area, a high porosity and a high nitrogen content through high-temperature calcination or inert gas carbonization is of great significance for improving the catalytic performance of the catalyst. In this paper, a nitrogen-doped carbon nanosheet supported FeMnO catalyst was prepared by a high-temperature carbonization method. Its catalytic degradation performance was analyzed. The effects of different systems, pH value of solution, Rhodamine B (RhB) initial mass concentration, PMS mass concentration and catalyst mass concentration on the RhB degradation were investigated. In addition, the possible mechanism of RhB degradation was also proposed.

Methods

Fe-Mn PBA and colloides were prepared by a co-precipitation method. After grinding, the catalyst was heated in nitrogen atmosphere at 750 ℃ at 2 ℃/min for 2 h to synthesize transition bimetal oxide (i.e., Fe0.099Mn0.9010/FeMn2O4) N-doped carbon nanosheets. Compared with FeMnO and graphite C, the degradation properties of FeMnO@C in different systems and under different factors were characterized by ultraviolet-visible spectroscopy (UV-Vis). The structure and morphology were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Fourier transform infrared spectroscopy (FT-IR).

Results and discussion

Heterogeneous catalyst activation of PMS can inhibit the dissolution of metal ions and it is not easy to cause secondary pollution. An efficient nitrogen-doped carbon catalyst FeMnO@C was obtained based on Fe-Mn PBA, which has a high specific surface area and provides a high density of active sites for catalytic reactions, and can effectively activate PMS to rapidly degrade organic pollutants. FeMnO@C has good magnetic properties, which can be conducive to recycling. The interaction between different metals in the double transition metal materials makes the metals difficult to be dissolved, greatly reducing the concentration of toxic metal ions in the system. The redox cycle between Mn and Fe ions on the surface of FeMnO@C catalyst and a series of free radicals generated after the self-decomposition of PMS make FeMnO@C have a superior catalytic degradation performance. The effects of PMS amount, initial concentration of RhB, catalyst amount and initial pH value of RhB solution on the catalytic performance were analyzed. The optimal reaction conditions were PMS concentration of 0.15 g/L, concentration of RhB solution of 20 mg/L, catalyst concentration of 0.1 g/L and pH value of 7. The possible degradation mechanism was proposed based on capture experiments and EPR spectra.

Conclusions

A transition bimetallic oxide catalyst supported by nitrogen-doped carbon nanosheets was synthesized by a high-temperature carbonization method, which could be used as an efficient PMS activated heterogeneous catalyst to degrade the target pollutant RhB. In the PMS activation system, the FeMnO@C catalyst could degrade 95.5% of RhB within 10 min. The redox cycling between Mn and Fe ions on the surface of the FeMnO@C catalyst and a series of free radicals generated after the self-decomposition of PMS could make the FeMnO@C have a superior catalytic degradation performance. The capture experiments showed that 1O2 was the main contributing radical. In addition, FeMnO@C catalyst also had a magnetic property and a good cyclic stability. 84.7% RhB removal rate could be obtained after five consecutive cycles. The results indicated that FeMnO@C had a good magnetic property, which could be easy to be recycled, having a promising potential in treating organic wastewater.

iron-manganese Prussian blue analogues  /  nitrogen-doped carbon material  /  advanced oxidation processes
郑佳红, 郑馨. 氮掺杂石墨碳负载Fe-Mn普鲁士蓝类似物衍生的FeMnO的制备及活化单过硫酸盐去除罗丹明B. 硅酸盐学报, 2024 , 52 (5) : 1578 -1588 . DOI: 10.14062/j.issn.0454-5648.20230297
Jiahong ZHENG, Xin ZHENG. Preparation of Nitrogen-Doped Graphitic Carbon Supported Fe-Mn Prussian Blue Analogues Derived FeMnO and Removal of RhB by Activated Peroxymonosulfate[J]. Journal of the Chinese Ceramic Society, 2024 , 52 (5) : 1578 -1588 . DOI: 10.14062/j.issn.0454-5648.20230297
  • 长安大学中央高校基本科研业务费专项资金资助(300102310 203; 300102311405; 300102312405; 300102312406)
  • 大学生创新创业训练计划项目(S202210710247; X202310710415)
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doi: 10.14062/j.issn.0454-5648.20230297
  • 接收时间:2023-05-05
  • 首发时间:2026-10-22
  • 出版时间:2024-05-20
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  • 收稿日期:2023-05-05
  • 修回日期:2023-06-07
基金
长安大学中央高校基本科研业务费专项资金资助(300102310 203; 300102311405; 300102312405; 300102312406)
大学生创新创业训练计划项目(S202210710247; X202310710415)
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    长安大学材料科学与工程学院,西安 710021
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2种不同金属材料的力学参数
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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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