利用可見光使La/Bi2S3材料對酸性黑172和酸性藍260進行降解

楊椀合

doi:10.6840/cycu202200062

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利用可见光使La/Bi2S3材料对酸性黑172和酸性蓝260进行降解

Degradation of Acid Black 172 and Acid Blue 260 by La/Bi2S3 photocatalytic materials under the visible light

杨椀合 , 硕士　　导师：游胜杰　　共同指导教授：王雅玢

繁体中文 DOI： 10.6840/cycu202200062

镧；硫化铋；光催化；染料； anthanum La ； bismuth sulfide Bi2S3 ； photocatalysis ； dyes

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摘要 │ 参考文献 (48) │ 国际计量

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In response to the release of toxic substances caused by the use of various dyes, this study used lanthanum (La) complexed with Bi2S3 to degrade acid black dye (Acid Black 172) and acid blue dye (Acid Blue 260). Degrade different dye concentrations with different compound ratios, and obtain the best compound ratio and dye concentration. Potassium dichromate (K2Cr2O7), isopropanol (IPA) and potassium iodide (KI) were used as photocatalytic inhibitors for e-, OH-, and h+, respectively, for comparison. Finally, it was recycled and reused, and the degradation efficiency of the recovered composite catalyst was tested.

In this study, when Acid Black 172 and Acid Blue 260 were mixed with 3% La, the best degradation effect could be achieved. Under the dye concentration of 10ppm, the degradation efficiency of Acid Black 172 can reach 93.21%, while that of Acid Blue 260 can reach 68.18%. The reason for the best effect of mixing 3% La; in the trapping test (Trapping test), the degradation effects of Acid Black 172 and Acid Blue 260 after adding inhibition and control are all IPA > KI > K2Cr2O7, so it is inferred that the degradation effect is affected by inhibition. The degree of extent is e- > OH- > h+, while the degradation efficiency of Acid Black 172 after adding the inhibitor and before adding the inhibitor has a significant difference of 93.21%. In the recycling experiment, Acid Black decreased by about 6~7% each time with the increase of recycling times; Acid Blue decreased by about 3~4% each time with the increase of recycling times.

参考文献 ( 48 ) 〈TOP〉

[1] H. Grabi, F. Derridj, W. Lemlikchi, and E. Guénin, "Studies of the potential of a native natural biosorbent for the elimination of an anionic textile dye Cibacron Blue in aqueous solution," Scientific Reports, vol. 11, no. 1, pp. 1-13, 2021.
[2] G. M. Shaul, T. J. Holdsworth, C. R. Dempsey, and K. A. Dostal, "Fate of water soluble azo dyes in the activated sludge process," Chemosphere, vol. 22, no. 1-2, pp. 107-119, 1991.
[3] M. Dissanayake, N. Liyanage, C. Herath, S. Rathnayake, and E. Y. Fernando, "Mineralization of persistent azo dye pollutants by a microaerophilic tropical lake sediment mixed bacterial consortium," Environmental Advances, vol. 3, p. 100038, 2021.
[4] S. Popa, M. E. Radulescu-Grad, A. Perdivara, and G. Mosoarca, "Aspects regarding colour fastness and adsorption studies of a new azo-stilbene dye for acrylic resins," Scientific reports, vol. 11, no. 1, pp. 1-9, 2021.
[5] E. Fenelon et al., "High Photocatalyst Module on Degradation of Extracted Gas from Soil under Visible Light," Aerosol and Air Quality Research, vol. 19, no. 12, pp. 2865-2878, 2019.

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引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。