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Wang, Y., Wang, Y.-J., Wang, L., et al. (2013) Reducing the Bioavailabil-ity of PCBs in Soil to Plant by Biochars Assessed with Triolein-Embedded Cellulose Acetate Membrane Technique. Environ. Environmental Pollution, 174, 250- 256.

has been cited by the following article:

  • TITLE: Preparation and Characteristics of Novel Fibers Based on Cellulose Acetate and Soy Lecithin for Attracting and Binding POPs

    AUTHORS: Jinxian Huo, Zuopeng Li, Yin Wang

    KEYWORDS: Biomimic Material, Dry-Jet Wet Spinning, Accumulation, Persistent Organic Pollutants

    JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.3 No.10, December 18, 2015

    ABSTRACT: Soy lecithin (SL)-modified cellulose acetate (L-CA) fibers for use as a novel biomimic material were prepared by a dry-jet wet spinning process from a solution of the polymer in dioxin. Characteristics of the L-CA fibers, such as structural properties, water absorbance, electrical conductivity and accumulation of trace persistent organic pollutants (POPs), were examined. Cross-sectional scanning electron microscopy (SEM) of L-CA unveiled a finger-like structure, along with a thin dense surface layer like that of CA. On the basis of X-ray photoelectron spectroscopic (XPS) observations, it was concluded that the enhancement of binding energy was optimum with 10% SL in the fiber, whereas superfluous SL led to self-assembly between the SL molecules, which weakened the binding between the SL and CA. Also, the L-CA fibers showed good water absorbance and a low charge conductivity in comparison to that of the non-modified CA fibers. Examination of the ability to accumulate POPs from water showed that L-CA is a effective candidate for the removal of micropollutants from aqueous solution.