用于苯酚吸附研究的 PES 膜中的磁驱动颗粒迁移:等温线和动力学模型视角

IF 3.8 Q2 CHEMISTRY, PHYSICAL Chemical Physics Impact Pub Date : 2024-10-28 DOI:10.1016/j.chphi.2024.100766
Khairul Anwar Mohamad Said , M.P.M. Subasinghe , Md Rezaur Rahman , Ibrahim Yakub , Sinin Hamdan
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引用次数: 0

摘要

磁性曝露诱导颗粒在膜内迁移。为了研究磁性对膜结构的影响,吸附剂的成分在 3、12 和 30wt% 之间变化。迁移的锌铁氧体会聚集在膜表面附近,根据显微镜成像,不同的锌铁氧体成分会影响膜结构。在苯酚浓度分别为 5、13、30、40 和 50 mg/L 时,对苯酚的吸附性能进行了研究。吸附研究表明,初始浓度对苯酚的去除率有影响,可按以下顺序排列(左边的去除率较高):5>30>50>40>13 mg/L.不同的锌铁氧体组成表明,锌铁氧体重量百分比越高,对苯酚的去除效果越好,具体排名如下(靠左的去除效果较好):3>12>30 wt%。等温线模型显示,尽管在整个吸附试验中使用的吸附位点数量相似(1 个位点),但普通膜的吸附率很高。动力学模型显示,磁诱导膜具有更高的最大吸附容量,其饱和单薄层的吸附量是普通膜的三倍。
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Magnetic driven particle migration in PES membrane for phenol adsorption study: Isotherm and kinetic model perspective
Particle migration within the membrane was induced by magnetic exposure. For investigating the effect of magnetic on membrane structure, the adsorbent composition was varied between 3, 12, and 30wt%. The migrated zinc ferrite will accumulate near the membrane surface, and through different zinc ferrite compositions, the membrane structure is affected based on microscopy imaging. The phenol adsorption performance was conducted at different phenol concentrations; 5, 13, 30, 40, and 50 mg/L. Adsorption study reveals that initial concentration has influenced the phenol removal and can be ranked as follows (to the left has higher removal): 5>30>50>40>13 mg/L. Different zinc ferrite composition shows that the higher the ZnFe wt%, the better the phenol removal and listed as follows(to the left has higher removal): 3>12>30 wt%. The isotherm model discloses a high adsorption rate for normal membrane, although a similar number of adsorption sites (∼1 site) were utilized throughout the adsorption test. The kinetic model reveals that the magnetic induce membrane has a higher maximum adsorption capacity, a thin saturated monolayer with thrice more adsorption.
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来源期刊
Chemical Physics Impact
Chemical Physics Impact Materials Science-Materials Science (miscellaneous)
CiteScore
2.60
自引率
0.00%
发文量
65
审稿时长
46 days
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