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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......
, and the photocatalytic mechanism of La-doped titanium thin films was analyzed. The results show that La doping will restrain the transform of anatase structure to rutile structure, and cause.... The photocatalytic reactions fix with the first order kinetic equation well. La-doped titanium thin films with 0.5% La annealed at 400 ℃ for 2 h show the best photocatalytic efficiency, which can reach......
on the rusting rate of metallic iron in Panzhihua reduced ilmenite and separation efficiency of titanium and iron by rusting process were studied. The rusting kinetic of the metallic iron in reduced... to 38.65kJ/mol. The mechanism is that hydrochloride promotes the cathodic reaction of the rusting reaction , thus speeding up the formation and the diffusion rate of Fe2+. Key words: reduced ilmenite......
and reductive degradation of fluoroquinolone pharmaceuticals: Kinetic studies and degradation mechanism[J]. Journal of Physical Chemistry A, 2009, 113(27): 7846-7851. [26] HU Lanhua, STEMIG A M, WAMMER...; 文章编号:1672-7207(2016)01-0338-06 Establishment and analysis of kinetic models for degradation of fluoroquinolones antibiotics by sulfate radical GUO Hongguang1, 2, GAO Naiyun2, ZHANG......
- CO3-LDH. The equilibrium isotherm and kinetic model for the adsorption processes were studied to evaluate the viability and effectiveness of the process. The adsorption mechanism was also discussed... is an important aspect of processes for pollutants removal [17-21]. In order to investigate the adsorption mechanism of Phe on CLDH, the Lagergren’s first order kinetic model and the Ho’s pseudo-second-order......
Hydration Mechanism of Cement-based Materials with Different Si-rich Mineral Admixtures何真1,2,胡玲玲1,21. State Key Laboratory of Water Resources & Hydropower Engineering Science, Wuhan University2. School of Water Resources and Hydropower Engineering, Wuhan University摘 要:Early hydration mechanism of cement-based materials with silica fume, nano-SiO2......
Mechanism for the multi-stage precipitation of Fe-Ni based alloyYan Jiang,Qiang Zuo,Feng LiuState Key Laboratory of Solidification Processing,Northwestern Polytechnical University摘 要:kinetic......
法炼镁化学反应动力学的影响规律 Fig. 5 Effect of silicon stoichiometry on chemical kinetic mechanism (30 min) 虽然公式(1),(2)和(3)分别给出了配硅比为1.0,1.1和1.2条件下的化学反应动力学方程,但使用起来比较繁琐,且不能覆盖配硅比1.0~1.2的全部数据,给后续动力学模型与传热模型的结合带来困难...影响规律 Fig. 9 Effect of hydration activity of calcined dolomite on chemical kinetic mechanism (30 min) 由图9可知,在相同还原温度条件下,还原率随着煅白水化活性度的降低而呈现下降趋势,煅白水化活性度对还原率的影响比配硅比大.在1200 ℃下反应30 min后,当煅白水化活性度由33%降至......
, the reduction kinetic mechanism function and isothermal kinetic equation of fluoroapatite in Ca10(PO4)6F2-SiO2-Fe2O3-C system were investigated. The results show that increasing the amounts of silica...磷灰石还原反应机理函数及反应速率常数 Table 2 Mechanism function and apparent reaction rates of fluorapatite reduction 对比表3中两种机理函数的相关系数可知,氟磷灰石在Ca10(PO4)6F2-SiO2-Fe2O3-C体系下还原反应的最佳动力学机理函数为A1/3:1/3(1-α)[-ln(1-α)]-2......