Article(id=1236330610713744219, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.04.011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1678464000000, receivedDateStr=2023-03-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693787505, onlineDateStr=2026-03-05, pubDate=1690819200000, pubDateStr=2023-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693787505, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693787505, creator=13701087609, updateTime=1772693787505, updator=13701087609, issue=Issue{id=1236330603000418795, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='4', pageStart='1', pageEnd='189', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693785667, creator=13701087609, updateTime=1772696855253, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236343477835985022, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236343477835985023, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=52, endPage=56, ext={EN=ArticleExt(id=1236330611087037293, articleId=1236330610713744219, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Adsorption Mechanism of Lanthanum and Ammonium Ions on Kaolinite, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=

The adsorption mechanism of La3+ and NH4+ ions on (001) and (00-1) planes of kaolinite has been studied based on the first-principle calculation of plane-wave pseudopotentials of density functional theory. The results show that La3+ ions are mainly adsorbed on kaolinite surface through electrostatic interaction, while NH4+ ions are adsorbed thereon through both electrostatic interaction and hydrogen bonding, with more electrons transferred onto kaolinite surface than La3+. The absolute values of adsorption energy for ions on (001) plane of kaolinite are in the following descending order: La3+ > NH4+ > H2O, while on (00-1) plane in the following descending order: NH4+ > La3+ > H2O. It is found that La3+ ions are prone to be adsorbed on (001) plane, while NH4+ ions are prone to be adsorbed on (00-1) plane. When ammonium sulfate is used as a leaching agent, rare earth ions like La3+ adsorbed on the (001) plane can only be effectively displaced with the leaching agent at a certain concentration.

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基于密度泛函理论的平面波赝势第一性原理计算,研究了La3+和NH4+在高岭石(001)面和(00-1)面的吸附机理。结果表明,La3+主要通过静电作用吸附在高岭石表面,NH4+除静电作用外,还存在氢键作用,比La3+有更多的电子转移到高岭石表面上。离子在高岭石(001)面的吸附能绝对值从大到小排序为:La3+>NH4+>H2O;离子在高岭石(00-1)面的吸附能绝对值从大到小排序为:NH4+>La3+>H2O。La3+更容易吸附在(001)面上,而NH4+更容易吸附在(00-1)面上。采用硫酸铵作浸出剂时,浸出剂浓度需要提高到一定值才能使吸附在高岭石(001)面上的La3+等稀土离子被有效地交换下来。

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黄万抚(1962—),男,江西南康人,教授,主要从事矿物加工技术和膜分离技术研究。
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邹志强(1985—),男,江西萍乡人,博士研究生,高级工程师,主要从事离子型稀土资源高效提取利用和稀土矿山环境保护。

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邹志强(1985—),男,江西萍乡人,博士研究生,高级工程师,主要从事离子型稀土资源高效提取利用和稀土矿山环境保护。

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邹志强(1985—),男,江西萍乡人,博士研究生,高级工程师,主要从事离子型稀土资源高效提取利用和稀土矿山环境保护。

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镧离子和铵离子在高岭石表面的吸附机理研究
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邹志强 1, 2 , 黄李金鸿 3 , 李新冬 4 , 肖文刚 2 , 钱艳涛 2 , 黄万抚 1
矿冶工程杂志 | 选矿 2023,43(4): 52-56
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矿冶工程杂志 | 选矿 2023, 43(4): 52-56
镧离子和铵离子在高岭石表面的吸附机理研究
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邹志强1, 2, 黄李金鸿3, 李新冬4, 肖文刚2, 钱艳涛2, 黄万抚1
作者信息
  • 1.江西理工大学 资源与环境工程学院,江西 赣州 341000
  • 2.赣州稀土矿业有限公司,江西 赣州 341000
  • 3.江西理工大学 建筑与设计学院,江西 赣州 341000
  • 4.江西理工大学 土木与测绘工程学院,江西 赣州 341000
  • 邹志强(1985—),男,江西萍乡人,博士研究生,高级工程师,主要从事离子型稀土资源高效提取利用和稀土矿山环境保护。

通讯作者:

黄万抚(1962—),男,江西南康人,教授,主要从事矿物加工技术和膜分离技术研究。
Adsorption Mechanism of Lanthanum and Ammonium Ions on Kaolinite
Zhiqiang ZOU1, 2, Lijinhong HUANG3, Xindong LI4, Wengang XIAO2, Yantao QIAN2, Wanfu HUANG1
Affiliations
  • 1.School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
  • 2.Ganzhou Rare Earth Mining Co Ltd, Ganzhou 341000, Jiangxi, China
  • 3.School of Architecture and Design, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
  • 4.School of Civil and Surveying & Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
出版时间: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.011
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基于密度泛函理论的平面波赝势第一性原理计算,研究了La3+和NH4+在高岭石(001)面和(00-1)面的吸附机理。结果表明,La3+主要通过静电作用吸附在高岭石表面,NH4+除静电作用外,还存在氢键作用,比La3+有更多的电子转移到高岭石表面上。离子在高岭石(001)面的吸附能绝对值从大到小排序为:La3+>NH4+>H2O;离子在高岭石(00-1)面的吸附能绝对值从大到小排序为:NH4+>La3+>H2O。La3+更容易吸附在(001)面上,而NH4+更容易吸附在(00-1)面上。采用硫酸铵作浸出剂时,浸出剂浓度需要提高到一定值才能使吸附在高岭石(001)面上的La3+等稀土离子被有效地交换下来。

离子型稀土矿  /  稀土  /  原地浸矿  /  镧离子  /  铵离子  /  高岭石  /  吸附  /  密度泛函理论

The adsorption mechanism of La3+ and NH4+ ions on (001) and (00-1) planes of kaolinite has been studied based on the first-principle calculation of plane-wave pseudopotentials of density functional theory. The results show that La3+ ions are mainly adsorbed on kaolinite surface through electrostatic interaction, while NH4+ ions are adsorbed thereon through both electrostatic interaction and hydrogen bonding, with more electrons transferred onto kaolinite surface than La3+. The absolute values of adsorption energy for ions on (001) plane of kaolinite are in the following descending order: La3+ > NH4+ > H2O, while on (00-1) plane in the following descending order: NH4+ > La3+ > H2O. It is found that La3+ ions are prone to be adsorbed on (001) plane, while NH4+ ions are prone to be adsorbed on (00-1) plane. When ammonium sulfate is used as a leaching agent, rare earth ions like La3+ adsorbed on the (001) plane can only be effectively displaced with the leaching agent at a certain concentration.

ion-adsorbed REE deposit  /  rare earth  /  in-situ leaching  /  lanthanum ions  /  ammonium ions  /  kaolinite  /  adsorption  /  density functional theory
邹志强, 黄李金鸿, 李新冬, 肖文刚, 钱艳涛, 黄万抚. 镧离子和铵离子在高岭石表面的吸附机理研究. 矿冶工程杂志, 2023 , 43 (4) : 52 -56 . DOI: 10.3969/j.issn.0253-6099.2023.04.011
Zhiqiang ZOU, Lijinhong HUANG, Xindong LI, Wengang XIAO, Yantao QIAN, Wanfu HUANG. Adsorption Mechanism of Lanthanum and Ammonium Ions on Kaolinite[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 52 -56 . DOI: 10.3969/j.issn.0253-6099.2023.04.011
  • 国家自然科学基金(41662004)
  • 赣州市“苏区之光”人才支持项目
  • 赣南离子型稀土资源基地典型固废循环利用集成示范项目(2020YFCL1909100)
2023年第43卷第4期
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doi: 10.3969/j.issn.0253-6099.2023.04.011
  • 接收时间:2023-03-11
  • 首发时间:2026-03-05
  • 出版时间:2023-08-01
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  • 收稿日期:2023-03-11
基金
国家自然科学基金(41662004)
赣州市“苏区之光”人才支持项目
赣南离子型稀土资源基地典型固废循环利用集成示范项目(2020YFCL1909100)
作者信息
    1.江西理工大学 资源与环境工程学院,江西 赣州 341000
    2.赣州稀土矿业有限公司,江西 赣州 341000
    3.江西理工大学 建筑与设计学院,江西 赣州 341000
    4.江西理工大学 土木与测绘工程学院,江西 赣州 341000

通讯作者:

黄万抚(1962—),男,江西南康人,教授,主要从事矿物加工技术和膜分离技术研究。
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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