Ag/AgCl-GO: A composite for degradation of Rhodamine B in dye wastewater

Cui-ling, AI; Yang, Sikai; Zhang, Fan; Shao, Xin; Xu, Junge

doi:10.1016/j.apt.2019.09.028

Cited by 8 publications

(2 citation statements)

References 31 publications

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“…The diffraction peaks at 27.8°, 32.3°, 46.2°, 54.8°, 57.5°, 67.5°, 74.5°, and 76.7° corresponded to the (1 1 1), (2 0 0), (2 2 0), (3 1 1), (2 2 2), and (4 0 0) planes of crystalline AgCl (JCPDS:31-1238), and the weak diffraction peak at 38.1° corresponded to the (1 1 1) plane of Ag 0 crystal (JCPDS: 04-0783) in the Ag@AgCl/a-Cu composite. 18,19 It indicated that a small amount of AgCl was reduced to Ag 0 , and the addition of a-Cu during the preparation process had no significant effect on the formation of AgCl crystals and Ag 0 . Except for the crystalline peaks of AgCl and Ag, no other diffraction peak existed, which also revealed that the elemental copper still was present in the amorphous state in the Ag@AgCl/a-Cu composite.…”

Section: Characterization Of the Composite Catalystmentioning

confidence: 99%

Synthesis of an Ag@AgCl catalyst with amorphous copper as the support and its catalytic performance in the reduction of 4-nitrophenol

Zhang

Qin

Liu

et al. 2020

Journal of Chemical Research

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The support used in a composite catalyst has an important influence on the catalytic performance of the catalyst. Amorphous metals have good electron-transfer properties and the presence of defect structures on the surface will introduce additional active sites and should be excellent catalyst supports. In this study, an Ag@AgCl composite catalyst with amorphous Cu (a-Cu) as the support is prepared by a two-step precipitation method at room temperature and a light irradiation reduction method. Compared to the Ag@AgCl and a-Cu, the catalytic rate of the Ag@AgCl/a-Cu composite catalytic rate was 2.04 times and 6.69 times faster during the reduction of 4-NP in NaBH4 aqueous solution. The high-performance catalytic efficiency and reusability of Ag@AgCl/a-Cu may be attributed to the synergistic effect between Ag@AgC and amorphous metal elements. This work may provide an effective reference for the synthesis of high activity catalysts using amorphous metals as supports.

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Section: Characterization Of the Composite Catalystmentioning

confidence: 99%

Synthesis of an Ag@AgCl catalyst with amorphous copper as the support and its catalytic performance in the reduction of 4-nitrophenol

Zhang

Qin

Liu

et al. 2020

Journal of Chemical Research

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“…Until now, photocatalytic decay of pollutants has been widely studied [9], but dyes are quite stable to radiation, and oxidation and the presence of intermediates make water unsuitable for drinking [10]. Catalytic oxidation, the most used chemical process, has the benefits of non-toxicity, safety, stability, and high catalytic activity [11]. The catalysts used for RhB degradation are carbon-based materials [12], zincbased materials [13], and molecular sieve titanium-based materials [14].…”

Section: Introductionmentioning

confidence: 99%

Preparation of Mn-Co-MCM-41 Molecular Sieve with Thermosensitive Template and Its Degradation Performance for Rhodamine B

Peng

Liang

et al. 2023

Catalysts

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Rhodamine B (RhB) in dyes is widely used in various industries, but it poses a great threat to the natural environment and human health. In this work, a series of thermosensitive polymer materials, PNxDy, with controllable morphology and particle size were prepared by free radical polymerization using N-isopropylacrylamide and N,N-dimethylacrylamide as monomers. Then, by using PNxDy as a template, bimetallic Mn- and Co-doped MCM-41 molecular sieves with good morphology and properties were prepared by the microwave-assisted hydrothermal method. The effects of a series of thermosensitive templates on the morphology and properties of the Mn-Co-MCM-41 molecular sieve were investigated. The results demonstrated that the Mn-Co-MCM-41 by PN100D4 as a templating agent showed the best mesoporous ordering and the most regular material morphology with 2 nm nanoparticles. In addition, the molecular sieve with the best structure was selected for the RhB degradation experiments. The Mn-Co-MCM-41 with PN100D4 as the template showed regular morphology and uniform pore channels. It was applied as a catalyst for the degradation of RhB by potassium monopersulfate (PMS). The degradation rate of RhB could reach 98% with a 20 min reaction by Mn-Co-MCM-41 (PN100D4). Meanwhile, the degradation rate could be maintained at 91% after being reused six times. The bimetallic-doped Mn-Co-MCM-41 molecular sieves prepared using the thermosensitive material PN100D4 as a template have good catalytic performance and can be effectively reused.

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Graphene oxide-incorporated silver-based photocatalysts for enhanced degradation of organic toxins: a review

Mathew

John

Mathew

2023

Environ Sci Pollut Res

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Ag/AgCl-GO: A composite for degradation of Rhodamine B in dye wastewater

Cited by 8 publications

References 31 publications

Synthesis of an Ag@AgCl catalyst with amorphous copper as the support and its catalytic performance in the reduction of 4-nitrophenol

Synthesis of an Ag@AgCl catalyst with amorphous copper as the support and its catalytic performance in the reduction of 4-nitrophenol

Preparation of Mn-Co-MCM-41 Molecular Sieve with Thermosensitive Template and Its Degradation Performance for Rhodamine B

Graphene oxide-incorporated silver-based photocatalysts for enhanced degradation of organic toxins: a review

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