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      Microalgae immobilized by nanofibrous web for removal of reactive dyes from wastewater

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      Author
      Keskin, N. O. S.
      Celebioglu A.
      Uyar, Tamer
      Tekinay, T.
      Date
      2015
      Source Title
      Industrial and Engineering Chemistry Research
      Print ISSN
      0888-5885
      Publisher
      American Chemical Society
      Volume
      54
      Issue
      21
      Pages
      5802 - 5809
      Language
      English
      Type
      Article
      Item Usage Stats
      116
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      165
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      Abstract
      In this study, we have developed microalgae immobilized by polysulfone nanofibrous web (microalgae/PSU-NFW) for the removal of reactive dyes (Remazol Black 5 (RB5) and Reactive Blue 221 (RB221). Here, an electrospinning technique was used to produce polysulfone nanofibrous web (PSU-NFW) as a free-standing material on which microalgae Chlamydomona reinhardtii was immobilized on PSU-NFW. The decolorization capacities of microalgae/PSU-NFW were significantly higher than that of pristine PSU-NFW. The decolorization rate for RB5 was calculated as 72.97 ± 0.3% for microalgae/PSU-NFW, whereas it was 12.36 ± 0.3% for the pristine PSU-NFW. In the case of RB221 solution, decolorization rates were achieved as 30.2 ± 0.23 and 5.51 ± 0.4% for microalgae/PSU-NFW and pristine PSU-NFW, respectively. Reusability tests revealed that microalgae/PSU-NFW can be used in at least three successive decolorization steps in which the decolorization rate of the RB5 was found to be 51 ± 0.69% after the third reuse step. These results are promising and therefore suggest that microalgae/PSU-NFW could be applicable for the decolorization of dyes because of their versatility and reusability.
      Keywords
      Algae
      Nanofibers
      Reusability
      Social networking (online)
      Stripping (dyes)
      Decolorization of dyes
      Decolorization rates
      Electrospinning techniques
      Micro-algae
      Nano-fibrous
      Reactive blues
      Reactive dyes
      Reinhardtii
      Microorganisms
      Permalink
      http://hdl.handle.net/11693/21769
      Published Version (Please cite this version)
      http://dx.doi.org/10.1021/acs.iecr.5b01033
      Collections
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
      • Nanotechnology Research Center (NANOTAM) 1006
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