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Water purification ultrafiltration membranes using nanofibers from unbleached and bleached rice straw

Scientific reports, 2020-07, Vol.10 (1), Article 11278 [Peer Reviewed Journal]

The Author(s) 2020. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2020 ;ISSN: 2045-2322 ;EISSN: 2045-2322 ;DOI: 10.1038/s41598-020-67909-3 ;PMID: 32647119

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  • Title:
    Water purification ultrafiltration membranes using nanofibers from unbleached and bleached rice straw
  • Author: Hassan, Mohammad L. ; Fadel, Shaimaa M. ; Abouzeid, Ragab E. ; Abou Elseoud, Wafaa S. ; Hassan, Enas A. ; Berglund, Linn ; Oksman, Kristiina
  • Subjects: Cellulose ; Filter paper ; Lignin ; Membranes ; Nanoparticles ; Pollutants ; Pulp ; Straw ; Sulfite ; Trä och bionanokompositer ; Ultrafiltration ; Vacuum ; Wastewater ; Water purification ; Wood and Bionanocomposites
  • Is Part Of: Scientific reports, 2020-07, Vol.10 (1), Article 11278
  • Description: Abstract There has been an increasing interest in recent years in isolating cellulose nanofibers from unbleached cellulose pulps for economic, environmental, and functional reasons. In the current work, cellulose nanofibers isolated from high-lignin unbleached neutral sulfite pulp were compared to those isolated from bleached rice straw pulp in making thin-film ultrafiltration membranes by vacuum filtration on hardened filter paper. The prepared membranes were characterized in terms of their microscopic structure, hydrophilicity, pure water flux, protein fouling, and ability to remove lime nanoparticles and purify papermaking wastewater effluent. Using cellulose nanofibers isolated from unbleached pulp facilitated the formation of a thin-film membrane (with a shorter filtration time for thin-film formation) and resulted in higher water flux than that obtained using nanofibers isolated from bleached fibers, without sacrificing its ability to remove the different pollutants.
  • Publisher: London: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2045-2322
    EISSN: 2045-2322
    DOI: 10.1038/s41598-020-67909-3
    PMID: 32647119
  • Source: PubMed Central
    SWEPUB Freely available online
    ProQuest Central
    DOAJ Directory of Open Access Journals
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