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作者:

Zhang, Congjian (Zhang, Congjian.) | Ma, Liwen (Ma, Liwen.) | Xi, Xiaoli (Xi, Xiaoli.) (学者:席晓丽) | Nie, Zuoren (Nie, Zuoren.)

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摘要:

Background: The separation of tungsten and molybdenum has always been a significant challenge. Metal organic frameworks (MOFs) has potential to solve the problem. In this study, the adsorption and separation performance of UiO-66 for tungsten and molybdenum and adsorption mechanism were investigated. Methods: UiO-66 was synthesized by solvothermal method. The physical and chemical properties of UiO-66 and adsorption mechanism were characterized and analyzed by XRD, SEM-EDS, FT-IR, Zeta-potential, XPS and thermodynamic analysis, the adsorption and separation performance of Mo/W using UiO-66 were evaluated by ICP-OES. Significant findings: UiO-66 with uniform pore size could be obtained under the conditions of crystallization for 24 h at 180 degrees C. This study revealed superior Mo/W separation performance under acidic conditions, where the adsorption capacity for Mo (QMo) of UiO-66 was 219.4 mg center dot g-1 and the highest separation factor (beta Mo/W) was 52.3. It was found that the mechanism involved the effect of pore size, electrostatic attraction and the metal point Zr had stronger affinity for Mo. This material was expected to serve as an eco-friendly and reusable adsorbent for separation of tungsten and molybdenum in resource recovery, aiming for high-quality regeneration of both metals.

关键词:

Tungsten Separation UiO-66 Molybdenum Adsorption

作者机构:

  • [ 1 ] [Zhang, Congjian]Beijing Univ Technol, Coll Mat Sci & Engn, Collaborat Innovat Ctr Capital Resource Recycling, Beijing 100124, Peoples R China
  • [ 2 ] [Ma, Liwen]Beijing Univ Technol, Coll Mat Sci & Engn, Collaborat Innovat Ctr Capital Resource Recycling, Beijing 100124, Peoples R China
  • [ 3 ] [Xi, Xiaoli]Beijing Univ Technol, Coll Mat Sci & Engn, Collaborat Innovat Ctr Capital Resource Recycling, Beijing 100124, Peoples R China
  • [ 4 ] [Nie, Zuoren]Beijing Univ Technol, Coll Mat Sci & Engn, Collaborat Innovat Ctr Capital Resource Recycling, Beijing 100124, Peoples R China
  • [ 5 ] [Xi, Xiaoli]Beijing Univ Technol, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
  • [ 6 ] [Nie, Zuoren]Beijing Univ Technol, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China
  • [ 7 ] [Ma, Liwen]Beijing Univ Technol, Natl Engn Lab Ind Big data Applicat Technol, Beijing 100124, Peoples R China
  • [ 8 ] [Nie, Zuoren]Beijing Univ Technol, Natl Engn Lab Ind Big data Applicat Technol, Beijing 100124, Peoples R China

通讯作者信息:

  • [Xi, Xiaoli]Beijing Univ Technol, Coll Mat Sci & Engn, Collaborat Innovat Ctr Capital Resource Recycling, Beijing 100124, Peoples R China;;[Xi, Xiaoli]Beijing Univ Technol, Minist Educ, Key Lab Adv Funct Mat, Beijing 100124, Peoples R China;;

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来源 :

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS

ISSN: 1876-1070

年份: 2024

卷: 165

5 . 7 0 0

JCR@2022

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SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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