한국섬유공학회지 (Textile Science and Engineering)

  • 제51권2호
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  • Pages.57-62
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  • 2014
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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제인 나노섬유 멤브레인을 이용한 6가 크롬 이온 흡착 평가

Electrospun Zein Nanofibrous Membrane for Chromium(VI) Adsorption

  • 윤나경 (서울대학교 바이오시스템.소재학부) ;
  • 곽효원 (서울대학교 바이오시스템.소재학부) ;
  • 이민규 (서울대학교 바이오시스템.소재학부) ;
  • 이서경 (서울대학교 바이오시스템.소재학부) ;
  • 이기훈 (서울대학교 바이오시스템.소재학부)
  • Yun, Na Kyong (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Kwak, Hyo Won (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Lee, Min Gyu (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Lee, Seo Kyung (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Lee, Ki Hoon (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University)
  • 투고 : 2013.12.10
  • 심사 : 2014.02.24
  • 발행 : 2014.04.30
⟨ 이전 논문 다음 논문 ⟩

초록

Heavy metal pollution is a serious problem that harms the environment and human health. As a means of removing heavy metal ions, especially Cr(VI), from a solution, we prepared a nanofibrous membrane from zein protein which is derived from maize. The zein nanofibrous membrane (ZNM) was prepared by using an 80% ethanol solution as a solvent. The resulting fiber had a ribbon-like structure. The size of the nanofiber could be controlled by varying the concentration of the zein in the ethanol solution. The ZNM was mounted in a membrane holder and a Cr(VI) feed solution was then continuously passed through the ZNM. The adsorption of Cr(VI) reached equilibrium within 3 min, indicating the rapid adsorption of the Cr(VI). To regenerate the ZNM adsorbent, the adsorbed Cr(VI) was removed by adding 0.1 M NaOH. We believe that ZNM would be an effective means of removing Cr(VI) from industrial waste.

키워드

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피인용 문헌

  1. Removal of heavy metals and pollutants by membrane adsorption techniques vol.8, pp.1, 2018, https://doi.org/10.1007/s13201-018-0661-6
  2. Preparation and Characterization of Coal Tar Pitch-based Activated Carbon Fibers. II. Cu(II) and Ni(II) Adsorption in Activated Carbon Fibers during Physical Activation vol.52, pp.2, 2015, https://doi.org/10.12772/TSE.2015.52.097