Adsorption of Dye Reactive Brilliant Red X-3B by Rice Wine Lees from Aqueous Solutions
2020
Q. Wang, F. F. Xi, L. P. Liang, Y. T. Zhang, Y. Y. Xue, Q. Wu, L. B. Cheng and X. Meng
In this study, the adsorption performance of rice wine lees on reactive brilliant red (X-3B) was studied. Five aspects of SEM, FTIR characterization of rice wine lees, initial X-3B pH, rice wine lees dosage and initial dye concentration were studied. The characterization of rice wine lees indicated that it was a good adsorbent due to its larger specific surface area. And the experiment results showed that pH had a great influence on the adsorption effect of rice wine lees, and the adsorption performance decreased with the increase of pH. At the same time, the removal rate of reactive brilliant red X-3B increased with the increase of the dosage of rice wine lees and decreased with the increase of initial concentration of dyes. In the meanwhile, the experimental data were fitted to find that the adsorption of Reactive Brilliant Red X-3B by rice wine lees followed the Langmuir isotherm model. The adsorption kinetics was consistent with the intraparticle diffusion model and the maximum adsorption capacity was 12.376 mg/g.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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