三赞胶复合微球的制备及其对亚甲基蓝吸附条件研究

doi:10.19640/j.cnki.jtau.2026.01.003

Journal of Tianjin Agricultural University ›› 2026, Vol. 33 ›› Issue (1): 14-19.doi: 10.19640/j.cnki.jtau.2026.01.003

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Preparation of sanxan composite microspheres and their adsorption conditions of methylene blue

Zhang Ying^a, Liu Luyao^a, Chang Luyuan^a, Ding Jiayi^a, Huang Haidong^a, Li Xiaoyan^{b,Corresponding Author}

Tianjin Agricultural University, a. College of Agronomy and Resource Environment, b. College of Food Science and Bioengineering, Tianjin 300392, China

Received:2024-06-07 Online:2026-02-28 Published:2026-02-05

Abstract

Abstract: In order to investigate the adsorption performance of the composite microspheres of sanxan gum on methylene blue dye, bentonite and kaolin were blended with sanxan gum to prepare composite microspheres, and the effects of different initial concentration of methylene blue solution, adsorption time and pH value of solution on the adsorption effect of the composite microspheres were investigated through experiments to determine the optimal adsorption conditions. The results showed that the adsorption performance of the composite microspheres of sanxan gum/kaolin decreased compared with that of the composite microspheres of sanxan gum/bentonite, and the adsorption amount of the composite microspheres of sanxan gum/bentonite reached 149.1 mg/g with a removal rate of 96.3% under the optimal experimental conditions of initial concentration of methylene blue at 25 ℃, adsorption time at 24 h, and pH at 11. The adsorption process of methylene blue by sanxan gum composite microspheres was in accordance with Langmuir isothermal adsorption model. This study provides a new idea for the treatment of wastewater dyes and confirms the good adsorption performance of sanxan gum composite microspheres on methylene blue.

Key words: sanxan, bentonite, kaolin, methylene blue, adsorption properties

CLC Number:

TS202.3

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Preparation of sanxan composite microspheres and their adsorption conditions of methylene blue

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