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Dielectric barrier discharge plasma aging of microplastics and its effect on Zn(II) adsorption
微塑料的介质阻挡放电等离子体老化及其对Zn(II)吸附的影响
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Dielectric barrier discharge plasma aging of microplastics and its effect on Zn(II) adsorption.、 In order to shorten the aging time of microplastics and mimic the natural aging conditions in the experiment, dielectric barrier discharge (DBD) plasma was used in the aging experiments of polyethylene microplastics (PE-MP) and polypropylene microplastics (PP-MP). And the adsorption process and mechanism of Zn(II) on PE-MP and PP-MP before and after aging was investigated. With the extension of discharge time and the elevation of input voltage, tiny cracks or holes appeared on the surface of microplastics and oxygen-containing functional groups were formed. The Zn(II) adsorption capacity |
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