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Pyrolysis characteristic and kinetic equation of spent catalyst used for vinyl acetate synthesis ZHANG Zheng-yong1, 2, PENG Jin-hui1, 2, ZHANG Ze-biao1, 2, ZHANG Li-bo1, 2, QU Wen-wen1, 2, LI Ning1, 2... of this lag of pyrolysis is that the spent catalyst is wrapped by organic resin. The pyrolysis kinetic equation of spent catalyst was submitted to the first order chemical reaction and one dimension (1D......
cluster model, respectively. The results indicate that La content has an important role in glass-forming ability (GFA) and kinetic properties of Mg-Ni-La amorphous alloys. The smaller activation energy..., deduced from atomic cluster model) is valuable in the design of Mg-Ni-La alloy with good glass-forming ability. Key words: Mg-Ni-La alloys; glass; activation energy; kinetic properties 镁及镁基储氢合金如Mg2Ni,MgNi和......
, and the microstructures of the alloy under different hot compression conditions were analyzed by electron back-scattering diffraction(EBSD). According to the experimental results, the DRX kinetic model...Dynamic recrystallization kinetic of fine grained Mg-Zn-Y-Zr alloy solidified under high pressure樊志斌1,林小娉1,2,董允1,2,李婵1,王林1,付守军31. School of Materials and Metallurgy Northeast University2. Key......
, and the microstructures of the alloy under different hot compression conditions were analyzed by electron back-scattering diffraction(EBSD). According to the experimental results, the DRX kinetic model...Dynamic recrystallization kinetic of fine grained Mg-Zn-Y-Zr alloy solidified under high pressure樊志斌1,林小娉1,2,董允1,2,李婵1,王林1,付守军31. School of Materials and Metallurgy Northeast University2. Key......
2017 Abstract: The adsorption of the bentonite toward Ni(II) from aqueous solution was studied to obtain optimum conditions, equilibrium model, thermodynamic and kinetic parameters. Statistical..., 2004, 59(1): 171-177. [24] HO Y S, Mc KAY G. Pseudo-second order model for sorption processes [J]. Process Biochemistry, 1999, 34(5): 451-465. [25] Equilibrium and kinetic modelling of adsorption......
Kinetic study on deep dephosphorization treatment of liquid steel by BaO-based fluxesZhihong Tian , Yanyong Guo), Kaike Cai, Liqun Ai, and Huien ShiMetallurgical and Ecological Engineering School...>Laboratory study was carried out on deep dephosphorization of liquid steel by BaO-based fluxes at 1600℃ to achieve ultra low phosphorus level in the steel. A dynamic model of dephosphorization......
isotherm model is fit to explain the sulfate adsorption onto organo-nano-clay. The maximum adsorption capacity is found to be 38.02 mg/g at 40 °C. The kinetic data fit well the pseudo-second-order...Adsorption of sulfate in aqueous solutions by organo-nano-clay: Adsorption equilibrium and kinetic studiesCHEN Wei(陈卫)1, LIU Hai-cheng(刘海成)1, 2(1. College of Environment, Hohai University, Nanjing......
) 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...-first-order kinetic model and HO pseudo- second-order kinetic model[18] are given as (7......
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......
to JOHNSON, MEHL and AVRAMI (JMA) [1-6]. Recently a more general modular, numerical kinetic model [7-9] has been proposed, taking the three mechanisms, nucleation, growth, and impingement of growing new...) and isochronally conducted (temper- ature dependent) transformations. The kinetic model par- ameters, the growth (Avrami) exponent, n, the overall effective activation energy, Q, and the rate constant, K0, all......