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Evaluation of reliability of Coats-Redfern method for kinetic analysis of non-isothermal TGA R. Ebrahimi-Kahrizsangi1, 2, M. H. Abbasi2 1. Department of Engineering, Islamic Azad University... on the reliability of kinetic parameters of nonisothermal thermoanalytical rate measurement by the widely applied Coats-Redfern(CR) equation. For this purpose, simulated TGA curves were made for reactions......
Kinetic Monte Carlo simulation of microalloying effect in Al-Ag alloys ZHOU Ming(周 明), LI Shi-chen(李世晨), ZHENG Zi-qiao(郑子樵), YANG Pei-yong(杨培勇) School of Materials Science and Engineering...; Abstract: The kinetic Monte Carlo method, which based on the Multi-States Ising Model, was applied to simulate the effect......
porous particles to silver bulk crystals as a single-step process. Key words: Ag2O; advanced isoconversional method; kinetic modeling; Sestak–Berggren model 1 Introduction Silver (I) oxide is a highly thermally stable silver source. Kinetic modeling of Ag2O decomposition can provide predictive information on the decomposition control. Firstly, the kinetics and mechanism of the Ag2O decomposition......
定, 彭彪林, 王晓军. 镁基大块非晶玻璃转变的动力学性质[J]. 兰州理工大学学报, 2006(4): 1-4.CHEN Xue-ding, PENG Biao-lin, WANG Xiao-jun. Kinetic property of glass transition of bulk Mg-based amorphous alloy[J]. Journal of Lanzhou...; 文章编号:1672-7207(2011)12-3686-06 Kinetic properties of glass transition of amorphous Mg-Ni-La alloys YAN Rui1, WANG Zhong-min1, NI Cheng-yuan2, ZHANG Yan-hong1, YAO Qing-rong2, ZHOU Huai-ying1, 2......
Equilibrium and kinetic data of adsorption and separation for zirconium and hafnium onto MIBK extraction resin XU Zhi-gao (徐志高), WU Yan-ke (吴延科), ZHANG Jian-dong (张建东), ZHANG Li (张 力), WANG Li...) are 75.93 mg/g and -0.012 7 L/g, respectively. The obtained kinetic data of both zirconium and hafnium are found to fit the HO pseudo-second-order kinetic model, and the rate constants of pseudo-second......
wave was carried out. The effects of ultrasonic wave on the property change of the leaching solution and the leaching of copper ore were investigated by measuring the surface tension, solution viscosity... reaction rate constant Kc. The leaching mechanism intensified by ultrasonic wave was analyzed according to the kinetics models. Key words: chalcopyrite; leaching; ultrasonic wave intensifying; kinetic......
KINETIC MODEL FOR POWDER INJECTION DESULFURIZATION S.R. Yu1,X.G. Bi1,Y. Jin1 (1.Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China) Abstract:The kinetic model for desulfurization using CaO-based powder injection has been proposed,which accords with the actual process of the experiment......
80 min, 46% higher than that by P25 TiO2. The degradation reaction can be expressed by the first-order reaction kinetic model when the original mass concentrations of lindane are lower than 1 000 μg/L and by zero-order reaction kinetic model when the original mass concentrations of lindane are higher than 2 000 μg/L. Key words: lindane; rare earths; TiO2; loading; photocatalytic; kinetic 林丹作为一种持久性有......
Kinetic process of oxidative leaching of chalcopyrite under low oxygen pressure and low temperature QIU Ting-sheng(邱廷省)1, NIE Guang-hua(聂光华)2, WANG Jun-feng(王俊峰)1, CUI Li-feng(崔立凤)1 1. School...; Abstract: Kinetic process of oxidative leaching of chalcopyrite in chloride acid hydroxide medium under oxygen pressure and low temperature was investigated. The effect on leaching......
that the maximum predicted pressures for thermodynamic model are about 71.3×105 Pa and 79.79×105 Pa, and for chemical kinetic model, they are about 71.48×105 Pa and 78.123×105 Pa, fairly comparable... temperature and pressure. Moreover, the maximum temperature and pressure are associated with richer mixtures. Key words: HCCI engine; ethanol; two-step reaction mechanism model; chemical kinetic model......