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Reaction mechanism of molten NaOH decomposing Zn2SiO4 in willemiteZHAO Chang-ming(赵昌明)1, 2, ZHAI Yu-chun(翟玉春)2, ZHANG Chong-min(张崇民)1, LI Jun-li(李军丽)1, LI Sheng-li(李胜利)1(1. School of Materials... detection for the alkali leaching was made by using Raman spectroscopy; XRD was used to analyze the structure of water leaching residue, to explore the reaction mechanism of NaOH decomposing Zn2SiO4......
Reaction behavior and mechanism of anatase in digestion process of diasporic bauxite LI Xiao-bin(李小斌), FU Wei-an(付伟岸), ZHOU Qiu-sheng(周秋生), LIU Gui-hua(刘桂华), PENG Zhi-hong(彭志宏) School... of CaO added and composition of aluminate solution on reaction behavior of pure anatase in high-pressure digestion process of bauxite, reaction mechanism of anatase was preliminarily determined......
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mechanism for the initial stage, whereas two-dimensional diffusion is the rate-controlling step and f(α)=α+(1-α)ln(1-α) is the reaction mechanism for the final stage. The apparent activation energies are 55.43 kJ/mol and 174.54 kJ/mol for the initial and the final stages, respectively. Key words: Fe2O3-Cr2O3-NiO system; isothermal reduction; reduction degree; kinetics; reaction mechanism 1......
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J. Cent. South Univ. (2017) 24: 2266-2274 DOI: https://doi.org/10.1007/s11771-017-3637-z Extracting reaction mechanism analysis of Zn and Si from zinc oxide ore by NaOH roasting method CHEN Bing(陈兵..., respectively. Key words: zinc oxide ore; NaOH roasting method; reaction process; reaction mechanism; kinetics 1 Introduction As an important nonferrous metal, zinc is widely used in galvanizing......
effect of reaction SiC(s)+2CO(g)=SiO2(s)+3C(s) is an expansive process, which improves the microstructure of the material. Key words: SiC-B4C-C composites; anti-oxidation; mechanism CLC number... of specimen before oxidation Fig.8 SiO2-SiC-C phase diagram at 1800K and different CO pressures 1) Reaction mechanism of SiC Fig.8[13] shows the significant role of SiC on anti......
Dehydriding reaction kinetic mechanism of MgH2-Nb2O5 by Chou model LIU Yang(刘 杨)1, LI Qian(李 谦)1, CHOU Kuo-chih(周国治)1, 2 1. Shanghai Key Laboratory of Modern Metallurgy and Materials Processing...; Abstract: Chou model was used to investigate the dehydriding reaction kinetic mechanism of MgH2-Nb2O5 hydrogen storage materials at 573 K. A new conception, "characteristic absorption/desorption......
sensitized TiO2; visible light; photocatalytic degradation; reaction mechanism...Formation of active radicals and mechanism of photocatalytic degradation of phenol process using eosin sensitized TiO2 under visible light irradiationSONG Lin(宋琳)1, 2, ZHANG Xin(张鑫)1, 2, MA Yun-kun(马......