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Table 3 Adsorption kinetic equations of MgO-LDH 图8 初始pH和吸附时间对吸附量的影响 Fig. 8 Effect of initial pH and adsorption time on adsorption amount by MgO-LDH 从图8和表4可以看出,准一级动力方程和准二级动力方程对MgO... Kinetic model parameters for adsorption of fluoride onto MgO-LDH at different initial pH REFERENCES [1] 蒋云福, 仁付莉, 唐 源, 周婉莹, 马 薇, 廖 洋, 赵仕林.改性腐殖酸去除水中氟化物性能研究[J]. 安全与环境学报. 2014, 14(6): 190-197. JIANG......
J. Cent. South Univ. (2016) 23: 880-890 DOI: 10.1007/s11771-016-3135-8 Optimal multilevel thresholding based on molecular kinetic theory optimization algorithm and line intercept histogram FAN Chao..., it can be easily extended to multilevel thresholding. In order to improve the efficiency, the optimization algorithm based on the kinetic-molecular theory (KMTOA) is used to determine the optimal......
behaviors of Ti-45Al-2Fe-2Mo-1Cr intermetallics with different oxygen contents were studied under the condition of 950 °C, 100 h in air, and the oxidation kinetic parameters were also evaluated... to improve the oxidation resistance by controlling the oxygen content. Key words: TiAl intermetallics; oxygen content; isothermal oxidation; oxidation kinetic 1 Introduction TiAl intermetallics......
Thermodynamic and Kinetic Studies of Effective Adsorption of 2,4,6-trichlorophenol onto Calcine Mg/Al-CO3 Layered Double Hydroxide张丹,ZHAO Guoqing,YU Jingang,YAN Tao,ZHU Mingyue,焦飞鹏College... fitted the Freundlieh adsorption isotherm with good values of the correlation coefficient. A mechanism of the adsorption process is proposed according to the intraparticle diffusion model, which......
controlling mechanism was interpreted by the kinetic rate analysis obeying power-law relation. The results indicated that one significant domain representing dynamic recrystallization (DRX) existed... with the results on the rate controlling mechanism evaluated from the kinetic analysis. 2 Experimental The material used in this study was 7A55 aluminum alloy, which was provided by the China Aluminum Group Co......
J. Cent. South Univ. (2017) 24: 1941-1952 DOI: https://doi.org/10.1007/s11771-017-3602-x Removal of Cd(II) and Pb(II) from soil through desorption using citric acid: Kinetic and equilibrium studies... acid; mechanism; simulation 1 Introduction With the development of industrialization and urbanization, heavy metal contamination in soil causes a worldwide concern [1]. For example, approximately 20......
(Ⅵ) at initial concentration of 60 mg/L, respectively. The adsorption data were fitted to Langmuir isotherm model for these two sorbents. Kinetic studies show that the rates of sorption all follow the pseudo-second order kinetics. Key words: Bacillus sp.; Cr(Ⅵ); minimal inhibitory concentration; biosorption; kinetic model  ......
a shrinking core kinetic model. According to this model, the copper solubilization was controlled by diffusion through a product layer (mainly jarosite), while zinc dissolution did not show a defined... metallic charge, which would be an environmental advantage. Key words: biooxidation; refractory gold concentrate; native consortium; kinetic analysis 1 Introduction Refractory gold-bearing ores......
of f(α)/f(0.5) plots, the model mechanism obtained with this method is not consistent accurately with the Arshad-Maaroufi kinetic modeling method. However, the overall trend of reactions is the same..., P. O. Box No. 76135-133, Kerman, Iran Received 24 March 2017; accepted 18 July 2017 Abstract: A new non-isothermal method of kinetic analysis was employed to investigate the thermal decomposition......
and the determination of the kinetic parameters such as pre-exponential factor, apparent activation energy and order of H2C2O4 concentration for each reaction step. Fractional conversions of SrSO4 were... the surfaces of solid particles. Fractional conversion of SrSO4 is increased by increasing concentration of H2C2O4 at constant temperature. Kinetic model equations were derived using shrinking core......