Cited by 99Adsorption and biosorption for pollutant removalEnvironmental remediation with nanomaterialsCoagulation and Flocculation Studies

In situ growing directional spindle TiO 2 nanocrystals on cellulose fibers for enhanced Pb 2+ adsorption from water

Li, Yanxiang, Cao, Lixia, Li, Lei, Yang, Chuanfang·2015·Journal of Hazardous Materials

Abstract

TiO2/cellulose nanocomposite was synthesized by in situ generation of titanium dioxide (TiO2) nanocrystals on cellulose fibers (CF) via facile hydrolysis of TiOSO4. Cellulose was intended as a scaffold to immobilize TiO2 nanoparticles (NPs), but turned out surprisingly to be also a chemical template that directed the crystal growth. As a result, spindle rutile TiO2 crystals were nicely formed on the surface of cellulose. These crystals were further controlled to disperse uniformly without agglomeration for better use of their surface area to adsorb heavy metals. The TiO2/CF composite showed enhanced adsorption capacity, good regenerability and selectivity for lead (Pb(2+)) removal. In addition, the composite fibers were readily fabricated into a nonwoven filter bed through which dynamic filtration experiment was conducted. A 12-fold increase in filtered bed volume was achieved for TiO2/CF bed compared with pure CF bed before breakthrough took place. This work provides a green pathway for fabricating low cost, high efficiency and engineering application possible nanosorbents for water decontamination.

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Crossref · 10.1016/j.jhazmat.2015.02.051

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Authors
Li, Y., Cao, L., Li, L., & Yang, C.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
Yang, Chuanfang
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2015-05
Volume
289
Pages
140-148
ISSN
0304-3894 (ISSN-L)
OpenAlex
W2064041653
Cited by
99
References
48
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 8 · 2022: 15 · 2021: 9 · 2020: 8 · 2019: 11 · 2018: 14 · 2017: 8 · 2016: 15 · 2015: 2
FWCI
8.61
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hazardous Materials (publishedVersion)
  • PubMed (publishedVersion)
  • Institute of Process Engineering, CAS Institutional Repository (submittedVersion)
Funders
  • National Natural Science Foundation of China
  • Chinese Academy of Sciences
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
  • Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
Keywords
nanocrystalline TiO2, cellulose fibers, lead adsorption, Pb2+ removal, in situ crystal growth, rutile TiO2, heavy metal removal, adsorbent regeneration, water remediation
MeSH terms
Adsorption, Cellulose, Lead, Thermodynamics, Titanium, Water Pollutants, Chemical, Models, Statistical, Water Purification, Nanoparticles

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