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作者:

Wang, Yifei (Wang, Yifei.) | Gao, Zhixiao (Gao, Zhixiao.) | Shang, Yaxin (Shang, Yaxin.) | Qi, Ziyuan (Qi, Ziyuan.) | Zhao, Wen (Zhao, Wen.) | Peng, Yongzhen (Peng, Yongzhen.) (学者:彭永臻)

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EI Scopus SCIE

摘要:

Three multifunctional adsorbents of carbon-based metal-organic framework (MOF) derivatives have been successfully prepared by varying zeolitic imidazolate framework-8 (ZIF8) and multiwalled carbon nanotube (MWCNT) ratio. Thus-synthesized nanocomposites are adopted to simultaneously remove conventional phosphate and emerging organic contaminants (EOC). Among the three hybrids, ZIF8/CNT40 possessing Zn: -OH (CNT) similar to 1:2 harvests the largest contaminant removal efficiency. For the single system of phosphate, the maximum phosphate adsorption capacity of ZIF8/CNT40 reaches 188.5 mg g(-1), and maintaining removal percentage of 100% and >92% in wastewater containing phosphate of 0.98 mg L-1 and 5.93 mg L-1 at neutral condition, respectively. As for phosphate-EOC binary system, the presence of phosphate has no significantly adverse impact on EOC removal. Nevertheless, the removal efficiency of phosphate is impeded by the presence of EOC, and this adverse impact of acetaminophen (AAP) and/or triclosan (TCS) is highly likely to be more serious in the binary system of phosphate and TCS. Such negative influences tend to be relived for ZIF8/CNT40 harnessing better tolerance of structure. Furthermore, these experimental results have shown a good agreement with the theoretical calculation, suggesting ZIF8/CNT hybrids hold a significant prospect for phosphate and EOC sequestration in environmental wastewater with complex components to eliminate growing eutrophication and increasing concern of EOC.

关键词:

DFT calculation ZIF8/CNT hybrid Competition adsorption EOC Phosphate

作者机构:

  • [ 1 ] [Wang, Yifei]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China
  • [ 2 ] [Shang, Yaxin]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China
  • [ 3 ] [Qi, Ziyuan]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China
  • [ 4 ] [Peng, Yongzhen]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China
  • [ 5 ] [Gao, Zhixiao]China Univ Petr East China, Sch Mat Sci & Engn, Qingdao 266580, Peoples R China
  • [ 6 ] [Zhao, Wen]China Univ Petr East China, Sch Mat Sci & Engn, Qingdao 266580, Peoples R China

通讯作者信息:

  • 彭永臻

    [Wang, Yifei]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China;;[Peng, Yongzhen]Beijing Univ Technol, Natl Engn Lab Adv Municipal Wastewater Treatment, Key Lab Beijing Water Qual Sci & Water Environm R, Beijing 100124, Peoples R China;;[Zhao, Wen]China Univ Petr East China, Sch Mat Sci & Engn, Qingdao 266580, Peoples R China

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来源 :

CHEMICAL ENGINEERING JOURNAL

ISSN: 1385-8947

年份: 2021

卷: 417

1 5 . 1 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:87

JCR分区:1

被引次数:

WoS核心集被引频次: 1

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