Synthesis, Development, and Testing of High-Surface-Area Polymer-Based Adsorbents for the Selective Recovery of Uranium from Seawater

被引:80
|
作者
Oyola, Yatsandra [1 ]
Janke, Christopher J. [2 ]
Dai, Sheng [1 ]
机构
[1] Oak Ridge Natl Lab, Div Chem Sci, POB 2008, Oak Ridge, TN 37831 USA
[2] Oak Ridge Natl Lab, Div Mat Sci & Technol, POB 2008, Oak Ridge, TN 37831 USA
关键词
INDUCED GRAFT-COPOLYMERIZATION; SEA-WATER; AMIDOXIME/CARBOXYL GROUP; TITANIUM-DIOXIDE; METHACRYLIC-ACID; URANYL-ION; METAL-IONS; ADSORPTION; ACRYLONITRILE; POLYETHYLENE;
D O I
10.1021/acs.iecr.5b03981
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
The ocean contains uranium with an approximate concentration of 3.34 ppb, which can serve as an incredible supply source to sustain nuclear energy in the United States. Unfortunately, technology currently available to recover uranium from seawater is not efficient enough and mining uranium on land is still more economical. We have developed polymer-based adsorbents with high uranium adsorption capacities by grafting amidoxime onto high-surface-area polyethylene (PE) fibers. Various process conditions have been screened, in combination with developing a rapid testing protocol (<24 h), to optimize the process. These adsorbents are synthesized through radiation-induced grafting of acrylonitrile (AN) and methacrylic acid (MAA) onto PE fibers, followed by the conversion of nitriles to amidoximes and basic conditioning. In addition, the uranium adsorption capacity, measured in units of g(U)/kg(ads), is greatly increased by reducing the diameter of the PE fiber or changing its morphology. An increase in the surface area of the PE polymer fiber allows for more grafting sites that are positioned in more-accessible locations, thereby increasing access to grafted molecules that would normally be located in the interior of a fiber with a larger diameter. Polymer fibers with hollow morphologies are able to adsorb beyond 1 order of magnitude more uranium from simulated seawater than current commercially available adsorbents. Several high-surface-area fibers were tested in natural seawater and were able to extract 5-7 times more uranium than any adsorbent reported to date.
引用
收藏
页码:4149 / 4160
页数:12
相关论文
共 50 条
  • [21] Amidoxime-based adsorbents prepared by cografting acrylic acid with acrylonitrile onto HDPE fiber for the recovery of uranium from seawater
    Lu Xu
    Jiang-Tao Hu
    Hong-Juan Ma
    Chang-Jian Ling
    Mou-Hua Wang
    Rong-Fang Shen
    Xiao-Jing Guo
    Yin-Ning Wang
    Jing-Ye Li
    Guo-Zhong Wu
    Nuclear Science and Techniques, 2017, 28
  • [22] Amidoxime-based adsorbents prepared by cografting acrylic acid with acrylonitrile onto HDPE fiber for the recovery of uranium from seawater
    Lu Xu
    Jiang-Tao Hu
    Hong-Juan Ma
    Chang-Jian Ling
    Mou-Hua Wang
    Rong-Fang Shen
    Xiao-Jing Guo
    Yin-Ning Wang
    Jing-Ye Li
    Guo-Zhong Wu
    NuclearScienceandTechniques, 2017, 28 (04) : 32 - 37
  • [23] Amidoxime-based adsorbents prepared by cografting acrylic acid with acrylonitrile onto HDPE fiber for the recovery of uranium from seawater
    Xu, Lu
    Hu, Jiang-Tao
    Ma, Hong-Juan
    Ling, Chang-Jian
    Wang, Mou-Hua
    Shen, Rong-Fang
    Guo, Xiao-Jing
    Wang, Yin-Ning
    Li, Jing-Ye
    Wu, Guo-Zhong
    NUCLEAR SCIENCE AND TECHNIQUES, 2017, 28 (04)
  • [24] Molecularly Imprinted Polymer-Based Adsorbents for the Selective Removal of Pharmaceuticals from Wastewater: Adsorption Kinetics, Isotherms, and Thermodynamics Studies
    Nxumalo, Nonhlazeko L.
    Mahlambi, Precious N.
    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2023, 62 (41) : 16525 - 16544
  • [25] Fabrication of novel pectin-based adsorbents for extraction of uranium from simulated seawater: Synthesis, performance and mechanistic insight
    Luo, Haiyan
    Yao, Haoyu
    Li, Min
    Meng, Fanfang
    Zhao, Hui
    Yu, Changjiang
    Liang, Xiangfeng
    Liu, Huizhou
    SEPARATION AND PURIFICATION TECHNOLOGY, 2023, 311
  • [26] Preparation of amidoxime modified porous organic polymer flowers for selective uranium recovery from seawater (vol 418, 12937, 2021)
    Ahmad, Mudasir
    Chen, Junjie
    Yang, Ke
    Shah, Tariq
    Naik, Mehraj-ud-din
    Zhang, Qiuyu
    Zhang, Baoliang
    CHEMICAL ENGINEERING JOURNAL, 2022, 443
  • [27] Facile synthesis of high-surface-area nanoporous carbon from biomass resources and its application in supercapacitors
    Yao, Yuechao
    Zhang, Qi
    Liu, Peng
    Yu, Liang
    Huang, Lin
    Zeng, Shao-Zhong
    Liu, Lijia
    Zeng, Xierong
    Zou, Jizhao
    RSC ADVANCES, 2018, 8 (04): : 1857 - 1865
  • [28] Facile synthesis of high-surface-area activated carbon from coal for supercapacitors and high CO2 sorption
    Peng, Zhu
    Guo, Zhanglong
    Chu, Wei
    Wei, Min
    RSC ADVANCES, 2016, 6 (48): : 42019 - 42028
  • [29] Synthesis and properties of amidoxime-based fibrous adsorbents for extraction of uranium from seawater by radiation-induced graft polymerization
    Wu, Guozhong
    Hu, Jiangtao
    Xing, Zhe
    Xu, Lu
    Li, Rong
    Li, Shineng
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2015, 249
  • [30] High surface-area amidoxime-based polymer fibers co-grafted with various acid monomers yielding increased adsorption capacity for the extraction of uranium from seawater
    Oyola, Yatsandra
    Dai, Sheng
    DALTON TRANSACTIONS, 2016, 45 (21) : 8824 - 8834