...
首页> 外文期刊>AIChE Journal >A model-based precipitation study of copper-based catalysts
【24h】

A model-based precipitation study of copper-based catalysts

机译:基于模型的铜基催化剂的沉淀研究

获取原文
获取原文并翻译 | 示例
           

摘要

Numerical methods of particle technology are used to model the formation of catalyst precursors with the purpose to control disperse properties. A multicomponent and multiphase population balance model is applied to the precipitation of catalyst precursors in a T-mixer. Copper precursors are chosen to be investigated in detail as a basis for catalysts with a broad range of applications such as in methanol synthesis, water-gas shift and hydrogenation reactions. The simulations results could be validated by ex situ measurements such as the pH of the suspension, the solid dry weight of the precipitate, and the yield. Simulations show that dissociation reactions of copper and carbonate species in water control significantly the formation of Georgeite. Consumption of the copper component by solid formation can be controlled in a range of 20-100% by the adjustment of the pH of the copper nitrate reactant solution. (c) 2015 American Institute of Chemical Engineers AIChE J, 61: 2104-2116, 2015
机译:颗粒技术的数值方法被用来对催化剂前体的形成进行建模,以控制分散性能。将多组分和多相种群平衡模型应用于T型混合器中催化剂前体的沉淀。选择铜前体进行详细研究,以作为具有广泛应用领域的催化剂的基础,例如在甲醇合成,水煤气变换和氢化反应中的应用。模拟结果可以通过异位测量来验证,例如悬浮液的pH值,沉淀的固体干重和收率。模拟表明,水中铜和碳酸盐物种的离解反应显着控制了水母的形成。通过调整硝酸铜反应物溶液的pH,可以将由于固体形成而引起的铜成分的消耗控制在20〜100%的范围内。 (c)2015年美国化学工程师学会AIChE J,61:2104-2116,2015

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号