壳聚糖和铁氧体纳米颗粒改性沸石(ZSM-5)作为吸附剂去除水中的酸性红色染料

IF 3.4 4区 化学 Q2 POLYMER SCIENCE
Hanan K. Alzahrani, Dina F. Katowah
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引用次数: 0

摘要

本研究涉及由 MgFe2O4-壳聚糖-ZSM-5沸石(MgF-Cs-Ze)、NiFe2O4-壳聚糖-ZSM-5沸石(NiF-Cs-Ze)和 MgFe2O4@ NiFe2O4-壳聚糖-ZSM-5沸石(MgF@NiF-Cs-Ze)组成的纳米复合材料(NCs)的合成和表征。研究人员对这些 NCs 作为有效吸附剂在各种环境中的潜在应用进行了调查。为了研究 NCs 的组成和物理性质,采用了 XRD、FT-IR、SEM-EDX 和 TEM 技术。本研究旨在评估不同实验条件下水溶液中的酸性红(AR)染料在 MgF-CS-Ze 和 NiF-CS-Ze NCs 上的吸附行为。研究发现,在对 AR 染料进行测试时,MgF-CS-Ze 和 NiF-CS-Ze NCs 的最大吸附容量分别为 55.55 mg g-1 和 41.66 mg g-1。这些发现凸显了这些 NCs 的强大吸附能力。吸附动力学研究表明,AR 染料的吸附过程遵循伪二阶动力学模型。热力学研究发现,MgF-CS-Ze 和 NiF-CS-Ze NC 对 AR 染料的吸附过程是放热和自发的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Chitosan and Ferrite Nanoparticles Modified Zeolite (ZSM-5) as Adsorbent for the Removal of Acid Red Dye from Water
The present study involved the synthesis and characterization of nanocomposites (NCs) consisting of MgFe2O4-chitosan-ZSM-5 zeolite (MgF-Cs-Ze), NiFe2O4-chitosan-ZSM-5 zeolite (NiF-Cs-Ze), and MgFe2O4@ NiFe2O4-chitosan-ZSM-5 zeolite (MgF@NiF-Cs-Ze). These NCs were investigated for their potential application as effective adsorbents in various environmental contexts. In order to investigate the composition and physical properties of the NCs, XRD, FT-IR, SEM-EDX, and TEM techniques were utilized. The present study is aimed at evaluating acid red (AR) dye adsorption behavior from aqueous solutions onto MgF-CS-Ze and NiF-CS-Ze NCs under different experimental circumstances. The study revealed that the NCs MgF-CS-Ze and NiF-CS-Ze exhibited maximum capacity for adsorption of 55.55 mg g-1 and 41.66 mg g-1, respectively, in that regard when tested with AR dye. These findings underscore the significant adsorption capabilities of these NCs. Examining the adsorption kinetics revealed that AR dye adsorption process followed the pseudo-second-order kinetic model. Resulting from thermodynamic studies, it was discovered that the adsorption of AR dye onto MgF-CS-Ze and NiF-CS-Ze NC process was an exothermic and spontaneous.
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来源期刊
CiteScore
6.10
自引率
0.00%
发文量
55
审稿时长
>12 weeks
期刊介绍: The International Journal of Polymer Science is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles on the chemistry and physics of macromolecules.
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