Article(id=1308543990476137395, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1308543982137860950, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2025.05.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1742832000000, receivedDateStr=2025-03-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1789910798900, onlineDateStr=2026-09-20, pubDate=1760889600000, pubDateStr=2025-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789910798900, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789910798900, creator=13701087609, updateTime=1789910798900, updator=13701087609, issue=Issue{id=1308543982137860950, tenantId=1146029695717560320, journalId=1146120122248306696, year='2025', volume='44', issue='5', pageStart='583', pageEnd='705', issueExtLink='null', onlineDate='null', pubDate='1760889600000', pubDateStr='2025-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789910796911, creator='13701087609', updateTime=1789955335202, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308730789341266049, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1308543982137860950, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308730789341266050, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1308543982137860950, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=635, endPage=644, ext={EN=ArticleExt(id=1308543990706824116, articleId=1308543990476137395, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Removal Effect and Mechanism of Phosphate-modified Nitrogen-doped Biochar for Uranium, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

The original biochar (BC) was prepared by pyrolysis using chestnut shells as raw materials, and then the phosphate-modified nitrogen-doped biochar (NP-BC) was prepared by nitrogen doping and phosphate modification methods. The adsorption performance of BC and NP-BC for uranium in wastewater was investigated. The surface morphology and elements of BC and NP-BC were analyzed by means of SEM, EDS, BET, FT-IR and XPS, and the adsorption mechanism of BC and NP-BC for uranium was discussed. The results show that for the wastewater with an initial mass concentration of uranium of 10 mg/L and initial pH of 4, under the conditions of NP-BC dosage of 0.2 g/L and reaction temperature of 30 ℃, the adsorption removal rate of U(Ⅵ) can reach 99.32%. The influence of coexisting anions and cations on the division of U(Ⅵ) in NP-BC increases with the increase of ion concentration. The adsorption process is more suitable to be described by the pseudo-second-order kinetic model and the Langmuir isothermal adsorption model. It is concluded through FT-IR and XPS analysis that the adsorption mechanism of uranium by NP-BC is the coordination effect and reduction effect of oxygen-containing functional groups, nitrogen-containing functional groups and phosphate groups.

, authors=Zhiyu XIONG, Yuemei MAO, Shiyou LI, Jiayao LIU, Qiqi DENG, Taotao ZENG, authorsList=Zhiyu XIONG, Yuemei MAO, Shiyou LI, Jiayao LIU, Qiqi DENG, Taotao ZENG, authorCompany=null, correspAuthors=Taotao ZENG, authorNote=null, correspAuthorsNote=null, 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=1308543991159808949, articleId=1308543990476137395, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=磷酸盐改性氮掺杂生物炭除铀效果及机制研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

研究了以板栗壳为原料,先用热解法制备原始生物炭(BC),再用氮掺杂和磷酸盐改性法制备磷酸盐改性氮掺杂生物炭(NP-BC)。考察了BC和NP-BC对废水中铀的吸附性能,通过SEM、EDS、BET、FT-IR和XPS等手段分析了BC和NP-BC的表面形貌和元素,探讨了BC和NP-BC对铀的吸附机制。结果表明:针对铀初始质量浓度10 mg/L、初始pH=4的废水,在NP-BC投加量0.2 g/L、反应温度30 ℃条件下,U(Ⅵ)吸附去除率达99.32%;共存阴、阳离子对NP-BC除U(Ⅵ)的影响随离子浓度增大而增强;吸附过程更适宜用准二级动力学模型和Langmuir等温吸附模型描述;通过FT-IR和XPS分析得出,NP-BC对铀的吸附机制为含氧官能团、含氮官能团和磷酸基团的配合作用及还原作用。

, authors=熊芷毓, 毛悦梅, 李仕友, 刘佳瑶, 邓琪琪, 曾涛涛, authorsList=熊芷毓, 毛悦梅, 李仕友, 刘佳瑶, 邓琪琪, 曾涛涛, authorCompany=null, correspAuthors=曾涛涛, authorNote=

熊芷毓(1999—),女,硕士研究生,主要研究方向为铀废水处理。

, correspAuthorsNote=
曾涛涛(1985—),男,博士,教授,主要研究方向为环境生物技术。E-mail: 。
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熊芷毓(1999—),女,硕士研究生,主要研究方向为铀废水处理。

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熊芷毓(1999—),女,硕士研究生,主要研究方向为铀废水处理。

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磷酸盐改性氮掺杂生物炭除铀效果及机制研究
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熊芷毓 , 毛悦梅 , 李仕友 , 刘佳瑶 , 邓琪琪 , 曾涛涛
湿法冶金 | 试验研究 2025,44(5): 635-644
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湿法冶金 |试验研究 2025 , 44 (5) : 635 -644
磷酸盐改性氮掺杂生物炭除铀效果及机制研究
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熊芷毓, 毛悦梅, 李仕友, 刘佳瑶, 邓琪琪, 曾涛涛
作者信息
  • 南华大学 污染控制与资源化技术湖南省高效重点实验室,湖南 衡阳 421001
通讯作者:
曾涛涛(1985—),男,博士,教授,主要研究方向为环境生物技术。E-mail: 。
作者简介:

熊芷毓(1999—),女,硕士研究生,主要研究方向为铀废水处理。

Removal Effect and Mechanism of Phosphate-modified Nitrogen-doped Biochar for Uranium
Zhiyu XIONG, Yuemei MAO, Shiyou LI, Jiayao LIU, Qiqi DENG, Taotao ZENG
Affiliations
  • Hunan Province Key Laboratory of Pollution Control and Resource Reuse Technology, University of South China, Hengyang 421001, China
出版时间: 2025-10-20 doi: 10.13355/j.cnki.sfyj.2025.05.008
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研究了以板栗壳为原料,先用热解法制备原始生物炭(BC),再用氮掺杂和磷酸盐改性法制备磷酸盐改性氮掺杂生物炭(NP-BC)。考察了BC和NP-BC对废水中铀的吸附性能,通过SEM、EDS、BET、FT-IR和XPS等手段分析了BC和NP-BC的表面形貌和元素,探讨了BC和NP-BC对铀的吸附机制。结果表明:针对铀初始质量浓度10 mg/L、初始pH=4的废水,在NP-BC投加量0.2 g/L、反应温度30 ℃条件下,U(Ⅵ)吸附去除率达99.32%;共存阴、阳离子对NP-BC除U(Ⅵ)的影响随离子浓度增大而增强;吸附过程更适宜用准二级动力学模型和Langmuir等温吸附模型描述;通过FT-IR和XPS分析得出,NP-BC对铀的吸附机制为含氧官能团、含氮官能团和磷酸基团的配合作用及还原作用。

废水  /  铀  /  生物炭  /  氮掺杂  /  改性  /  吸附  /  机制

The original biochar (BC) was prepared by pyrolysis using chestnut shells as raw materials, and then the phosphate-modified nitrogen-doped biochar (NP-BC) was prepared by nitrogen doping and phosphate modification methods. The adsorption performance of BC and NP-BC for uranium in wastewater was investigated. The surface morphology and elements of BC and NP-BC were analyzed by means of SEM, EDS, BET, FT-IR and XPS, and the adsorption mechanism of BC and NP-BC for uranium was discussed. The results show that for the wastewater with an initial mass concentration of uranium of 10 mg/L and initial pH of 4, under the conditions of NP-BC dosage of 0.2 g/L and reaction temperature of 30 ℃, the adsorption removal rate of U(Ⅵ) can reach 99.32%. The influence of coexisting anions and cations on the division of U(Ⅵ) in NP-BC increases with the increase of ion concentration. The adsorption process is more suitable to be described by the pseudo-second-order kinetic model and the Langmuir isothermal adsorption model. It is concluded through FT-IR and XPS analysis that the adsorption mechanism of uranium by NP-BC is the coordination effect and reduction effect of oxygen-containing functional groups, nitrogen-containing functional groups and phosphate groups.

wastewater  /  uranium  /  biochar  /  nitrogen doping  /  modification  /  adsorption  /  mechanism
熊芷毓, 毛悦梅, 李仕友, 刘佳瑶, 邓琪琪, 曾涛涛. 磷酸盐改性氮掺杂生物炭除铀效果及机制研究. 湿法冶金, 2025 , 44 (5) : 635 -644 . DOI: 10.13355/j.cnki.sfyj.2025.05.008
Zhiyu XIONG, Yuemei MAO, Shiyou LI, Jiayao LIU, Qiqi DENG, Taotao ZENG. Removal Effect and Mechanism of Phosphate-modified Nitrogen-doped Biochar for Uranium[J]. Hydrometallurgy of China, 2025 , 44 (5) : 635 -644 . DOI: 10.13355/j.cnki.sfyj.2025.05.008
  • 国家自然科学基金资助项目(52170164)
  • 湖南省研究生科研创新项目资助(CX20240823)
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2025年第44卷第5期
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doi: 10.13355/j.cnki.sfyj.2025.05.008
  • 接收时间:2025-03-25
  • 首发时间:2026-09-20
  • 出版时间:2025-10-20
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  • 收稿日期:2025-03-25
基金
国家自然科学基金资助项目(52170164)
湖南省研究生科研创新项目资助(CX20240823)
作者信息
    南华大学 污染控制与资源化技术湖南省高效重点实验室,湖南 衡阳 421001

通讯作者:

曾涛涛(1985—),男,博士,教授,主要研究方向为环境生物技术。E-mail: 。
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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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