Article(id=1318978551890686824, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318978537852359595, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230188, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1679414400000, receivedDateStr=2023-03-22, revisedDate=1681056000000, revisedDateStr=2023-04-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1792398592207, onlineDateStr=2026-10-19, pubDate=1697731200000, pubDateStr=2023-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792398592207, onlineIssueDateStr=2026-10-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792398592207, creator=13701087609, updateTime=1792398592207, updator=13701087609, issue=Issue{id=1318978537852359595, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='10', pageStart='2517', pageEnd='2738', issueExtLink='null', onlineDate='null', pubDate='1697731200000', pubDateStr='2023-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792398588860, creator='13701087609', updateTime=1792399337892, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1318981679578993157, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318978537852359595, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1318981679578993158, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1318978537852359595, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2680, endPage=2688, ext={EN=ArticleExt(id=1318978552071041897, articleId=1318978551890686824, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Low Grade Limonite Tailings Combined Catalyst for Formaldehyde Purification at Room Temperature, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The application and performance of low-grade limonite tailings (LT) from Yeshan Iron Mine (Tongling, China) were investigated for the formaldehyde purification at ambient temperature. According to the composition analysis of the tailings, the presence of minerals like nanoneedle hematite and quartz with a great specific surface area is suitable as a catalyst carrier. In this paper, birnessite (Bir) was loaded onto the surface of LT particles via chemical reduction to prepare a catalyst for formaldehyde removal with different manganese loads (x-Bir/LT). The results show that the catalyst has a good formaldehyde degradation ability. The removal efficiency of 27.3-Bir/LT is still 97.2% after 600 min at an initial formaldehyde concentration of 1.2 mg/m3 and a gas hourly space velocity of 41.6 m3/s, thus having a long-term stability and a water resistance. According to the analysis by in-situ infrared spectroscopy, formaldehyde reacts on the catalyst surface via being adsorbed by surface hydroxyl groups and then oxidized to H+ and HCOO-, which further decomposes into CO2 and H2O through hydroxyl and surface reactive oxygen species oxidation. Also, LT provides a large number of L-acid sites for the catalyst, improving the catalytic oxidation performance of the composite catalyst. Using limonite tailings as a catalyst carrier can enhance the catalytic oxidation performance of the composite catalyst. This work provides a technical reference for its application in indoor formaldehyde pollution control.

, authors=Zhilin ZHOU, Tianhu CHEN, Can WANG, Zhengyan HAN, Xuehua ZOU, Haibo LIU, authorsList=Zhilin ZHOU, Tianhu CHEN, Can WANG, Zhengyan HAN, Xuehua ZOU, Haibo LIU, authorCompany=null, correspAuthors=Tianhu CHEN, authorNote=

ZHOU Zhilin (2000-), female, Master candidate. E-mail:

, correspAuthorsNote=
CHEN Tianhu (1962-), male, Ph.D., Professor. E-mail:
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对铜陵叶山铁矿开采所产生的低品位褐铁矿尾矿(LT)进行探究,旨在发掘其在室温净化甲醛领域中的应用价值及其载体性能。通过分析该尾矿的成分,发现其含有纳米针铁矿、石英等矿物,具有较大的比表面积,适合作为催化剂载体。采用化学还原法将δ-MnO2(Bir)负载于尾矿颗粒表面,制备了一系列不同锰含量的除醛催化剂(x-Bir/LT)。结果表明:该催化剂具有良好的催化降解甲醛的能力。在甲醛初始浓度为1.2 mg/m3,体积空速为260000 h-1的条件下,27.3-Bir/LT在600 min时净醛效果仍有97.2%,并且具有长时间稳定性和抗水性。通过原位红外光谱分析发现,甲醛在催化剂表面反应的机制为:甲醛被表面羟基吸附后氧化成H+和HCOO-,并经过羟基和表面活性氧氧化,进一步分解成CO2和H2O。同时,氨气吸附原位红外分析发现,该尾矿能为催化剂提供大量的L-酸位点,提高了复合催化剂的催化氧化能力。因此以褐铁矿尾矿为催化剂的载体可以提升复合催化剂的净醛能力,为其用于室内甲醛等污染治理提供了理论支撑。

, authors=周之琳, 陈天虎, 王灿, 韩正严, 邹雪华, 刘海波, authorsList=周之琳, 陈天虎, 王灿, 韩正严, 邹雪华, 刘海波, authorCompany=null, correspAuthors=陈天虎, authorNote=

周之琳(2000—),女,硕士研究生。

, correspAuthorsNote=
陈天虎(1962—),男,博士,教授。
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低品位褐铁矿尾矿复合催化剂室温下净化甲醛
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周之琳 , 陈天虎 , 王灿 , 韩正严 , 邹雪华 , 刘海波
硅酸盐学报 | 研究论文 2023,51(10): 2680-2688
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硅酸盐学报 |研究论文 2023 , 51 (10) : 2680 -2688
低品位褐铁矿尾矿复合催化剂室温下净化甲醛
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周之琳 , 陈天虎 , 王灿, 韩正严, 邹雪华, 刘海波
作者信息
  • 合肥工业大学资源与环境工程学院,纳米矿物与污染控制安徽省普通高校重点实验室,合肥 230009
通讯作者:
陈天虎(1962—),男,博士,教授。
作者简介:

周之琳(2000—),女,硕士研究生。

Low Grade Limonite Tailings Combined Catalyst for Formaldehyde Purification at Room Temperature
Zhilin ZHOU , Tianhu CHEN , Can WANG, Zhengyan HAN, Xuehua ZOU, Haibo LIU
Affiliations
  • Key Laboratory of Nano-Minerals and Pollution Control of Anhui Higher Education Institutes, School of Resources & Environmental Engineering, Hefei University of Technology, Hefei 230009 China
  • Corresponding Author:
    CHEN Tianhu (1962-), male, Ph.D., Professor. E-mail:

    ZHOU Zhilin (2000-), female, Master candidate. E-mail:

出版时间: 2023-10-20 doi: 10.14062/j.issn.0454-5648.20230188
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对铜陵叶山铁矿开采所产生的低品位褐铁矿尾矿(LT)进行探究,旨在发掘其在室温净化甲醛领域中的应用价值及其载体性能。通过分析该尾矿的成分,发现其含有纳米针铁矿、石英等矿物,具有较大的比表面积,适合作为催化剂载体。采用化学还原法将δ-MnO2(Bir)负载于尾矿颗粒表面,制备了一系列不同锰含量的除醛催化剂(x-Bir/LT)。结果表明:该催化剂具有良好的催化降解甲醛的能力。在甲醛初始浓度为1.2 mg/m3,体积空速为260000 h-1的条件下,27.3-Bir/LT在600 min时净醛效果仍有97.2%,并且具有长时间稳定性和抗水性。通过原位红外光谱分析发现,甲醛在催化剂表面反应的机制为:甲醛被表面羟基吸附后氧化成H+和HCOO-,并经过羟基和表面活性氧氧化,进一步分解成CO2和H2O。同时,氨气吸附原位红外分析发现,该尾矿能为催化剂提供大量的L-酸位点,提高了复合催化剂的催化氧化能力。因此以褐铁矿尾矿为催化剂的载体可以提升复合催化剂的净醛能力,为其用于室内甲醛等污染治理提供了理论支撑。

褐铁矿尾矿  /  甲醛  /  催化氧化  /  环境温度  /  L-酸位点

The application and performance of low-grade limonite tailings (LT) from Yeshan Iron Mine (Tongling, China) were investigated for the formaldehyde purification at ambient temperature. According to the composition analysis of the tailings, the presence of minerals like nanoneedle hematite and quartz with a great specific surface area is suitable as a catalyst carrier. In this paper, birnessite (Bir) was loaded onto the surface of LT particles via chemical reduction to prepare a catalyst for formaldehyde removal with different manganese loads (x-Bir/LT). The results show that the catalyst has a good formaldehyde degradation ability. The removal efficiency of 27.3-Bir/LT is still 97.2% after 600 min at an initial formaldehyde concentration of 1.2 mg/m3 and a gas hourly space velocity of 41.6 m3/s, thus having a long-term stability and a water resistance. According to the analysis by in-situ infrared spectroscopy, formaldehyde reacts on the catalyst surface via being adsorbed by surface hydroxyl groups and then oxidized to H+ and HCOO-, which further decomposes into CO2 and H2O through hydroxyl and surface reactive oxygen species oxidation. Also, LT provides a large number of L-acid sites for the catalyst, improving the catalytic oxidation performance of the composite catalyst. Using limonite tailings as a catalyst carrier can enhance the catalytic oxidation performance of the composite catalyst. This work provides a technical reference for its application in indoor formaldehyde pollution control.

limonite tailings  /  formaldehyde  /  catalytic oxidation  /  ambient temperature  /  L-acid sites
周之琳, 陈天虎, 王灿, 韩正严, 邹雪华, 刘海波. 低品位褐铁矿尾矿复合催化剂室温下净化甲醛. 硅酸盐学报, 2023 , 51 (10) : 2680 -2688 . DOI: 10.14062/j.issn.0454-5648.20230188
Zhilin ZHOU, Tianhu CHEN, Can WANG, Zhengyan HAN, Xuehua ZOU, Haibo LIU. Low Grade Limonite Tailings Combined Catalyst for Formaldehyde Purification at Room Temperature[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (10) : 2680 -2688 . DOI: 10.14062/j.issn.0454-5648.20230188
  • 国家自然科学基金(42102029)
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2023年第51卷第10期
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doi: 10.14062/j.issn.0454-5648.20230188
  • 接收时间:2023-03-22
  • 首发时间:2026-10-19
  • 出版时间:2023-10-20
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  • 收稿日期:2023-03-22
  • 修回日期:2023-04-10
基金
国家自然科学基金(42102029)
作者信息
    合肥工业大学资源与环境工程学院,纳米矿物与污染控制安徽省普通高校重点实验室,合肥 230009

通讯作者:

陈天虎(1962—),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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