欢迎登录材料期刊网

材料期刊网

高级检索

当液一固反应为流体扩散控制时,以缩核模型为基础,得到了单颗粒消溶时粒径的变化规律,满足平方反比定律;在单颗粒消溶的基础上,建立了颗粒群消溶模型,得到了单颗粒微观反应模型和颗粒群宏观反应特征的关联关系.以不同种类的石灰石在不同温度和pH值下的消溶过程为例,对液固反应的微观-宏观关联模型进行了实验验证,实验和数学模型吻合较好.该关联模型对完善液固反应理论体系,实现宏观实验数据反推微观化学反应参数的测量技术具有重要意义.

参考文献

[1] Shin-Min Shih;Jyh-Ping Lin;Gwo-Yuan Shiau .Dissolution rates of limestones of different sources[J].Journal of hazardous materials,2000(1/2):159-171.
[2] Lakatos B;Blickle T .Effect of Particle Size Distribution on Liquid-Solid Reaction Kinetics in Solutions[J].Acta Chimica Academiae Scientiarum Hungaricae,1990,127(02):395-405.
[3] Philip K. Gbor;Deyong Wen;Fan Meng;Fuquan Yang;James J. Sloan .Modeling of mercury emission, transport and deposition in North America[J].Atmospheric environment,2007(6):1135-1149.
[4] 王秋颖,魏燕丽,李婷婷,王东方,顾璠.液固DBD等离子体煤液化反应动力学分析[J].工程热物理学报,2008(05):897-899.
[5] Gbor PK;Jia CQ .Critical evaluation of coupling particle size distribution with the shrinking core model[J].Chemical Engineering Science,2004(10):1979-1987.
[6] Lakatos T B .Effect of Particle Size Distribution on Liquid-Solid Reaction Kinetics in Solutions[J].Acta Chimica Academiae Scientiarum Hungaricae,1990,127(02):395-405.
[7] Levenspiel O.Chemical Reaction Engineering 2001[M].New York:Department of Chemical Engineering Oregon State University
[8] Sakae Yagi D K .Fluidized-Solids Reactors with Continuous Solids Feed[J].Chemical Engineering Science,1961,16(08):364-371.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%