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Preparation of Polyaniline/Emulsion Microsphere Composite for Efficient Adsorption of Organic Dyes.


ABSTRACT: Surface-functionalized polymeric microspheres have wide applications in various areas. Herein, monodisperse poly(styrene-methyl methacrylate-acrylic acid) (PSMA) microspheres were prepared via emulsion polymerization. Polyaniline (PANI) was then coated on the PSMA surface via in situ polymerization, and a three-dimensional (3D) structured reticulate PANI/PSMA composite was, thus, obtained. The adsorption performance of the composite for organic dyes under different circumstances and the adsorption mechanism were studied. The obtained PANI/PSMA composite exhibited a high adsorption rate and adsorption capacity, as well as good adsorption selectivity toward methyl orange (MO). The adsorption process followed pseudo-second-order kinetics and the Langmuir isotherm. The maximum adsorption capacity for MO was 147.93 mg/g. After five cycles of adsorption-desorption, the removal rate remained higher than 90%, which indicated that the adsorbent has great recyclability. The adsorbent materials presented herein would be highly valuable for the removal of organic dyes from wastewater.

SUBMITTER: Liu Y 

PROVIDER: S-EPMC7023397 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Preparation of Polyaniline/Emulsion Microsphere Composite for Efficient Adsorption of Organic Dyes.

Liu Yuanli Y   Song Liushuo L   Du Linlin L   Gao Peng P   Liang Nuo N   Wu Si S   Minami Tsuyoshi T   Zang Limin L   Yu Chuanbai C   Xu Xu X  

Polymers 20200109 1


Surface-functionalized polymeric microspheres have wide applications in various areas. Herein, monodisperse poly(styrene-methyl methacrylate-acrylic acid) (PSMA) microspheres were prepared via emulsion polymerization. Polyaniline (PANI) was then coated on the PSMA surface via in situ polymerization, and a three-dimensional (3D) structured reticulate PANI/PSMA composite was, thus, obtained. The adsorption performance of the composite for organic dyes under different circumstances and the adsorpti  ...[more]

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