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Solid phase kinetics of potassium ferrate synthesis in a ball mill reactor.

机译:球磨反应器中高铁酸钾合成的固相动力学。

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摘要

In this work, the engineering and kinetic quantification of a novel potassium ferrate synthesis method are developed, in which potassium ferrate is produced as a solid using solid phase reactants inside a ball mill reactor.Potassium ferrate was produced at different experimental conditions (i.e. time, temperature, and relative amounts of reactants). Concentration of the produced potassium ferrate vs. time data at different temperatures shows that lower temperature favors potassium ferrate selectivity. Results show that short reaction time, 15.108% ice ratio, and reaction temperature (-5.5°C) to result in the highest concentration of potassium ferrate, for the conditions studied. A kinetic model that combines a traditional solid state kinetic analysis with a probability term that accounts for particle/particle interactions and attrition due to agitation was developed. The developed model was used to fit the experimental data for temperature of -5.5°C, 2.5°C and 10°C. The model fit was best for experimental data at -5.5°C which is likely because at this low temperature water is a solid and dissolution and decomposition are at minimum.
机译:在这项工作中,开发了一种新颖的高铁酸钾合成方法的工程和动力学定量方法,其中在球磨反应器内使用固相反应物以固态形式生产高铁酸钾。在不同的实验条件下(即时间,温度和反应物的相对量)。在不同温度下生成的高铁酸钾的浓度与时间的关系表明较低的温度有利于高铁酸钾的选择性。结果表明,在所研究的条件下,反应时间短,冰比例为15.108%和反应温度(-5.5°C)导致最高的高铁酸钾浓度。建立了将传统固态动力学分析与考虑颗粒/颗粒相互作用和搅拌引起的磨损的概率项相结合的动力学模型。使用开发的模型拟合-5.5°C,2.5°C和10°C温度的实验数据。模型拟合最适合于-5.5°C的实验数据,这很可能是因为在这种低温下水是固体,并且溶解和分解最少。

著录项

  • 作者

    Murshed, Mohamed.;

  • 作者单位

    New Mexico State University.;

  • 授予单位 New Mexico State University.;
  • 学科 Engineering Chemical.
  • 学位 Ph.D.
  • 年度 2006
  • 页码 125 p.
  • 总页数 125
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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