Micro-Reactors Made by Lithography-Based Ceramic Manufacturing (LCM)
Micro-Reactors Made by Lithography-Based Ceramic Manufacturing (LCM)
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DOI：
10.1002/9781119236016.ch4
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发表时间：
2016-08
期刊：
影响因子：
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通讯作者：
U. Scheithauer;E. Schwarzer;G. Ganzer;A. Kornig;W. Becker;E. Reichelt;M. Jahn;A. Har‐tel;H. Richter;T. Moritz;A. Michaelis
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文献类型：
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作者：
U. Scheithauer;E. Schwarzer;G. Ganzer;A. Kornig;W. Becker;E. Reichelt;M. Jahn;A. Har‐tel;H. Richter;T. Moritz;A. Michaelis
多相催化剂或静态混合器广泛应用于化学工业。尽管在开发新型催化剂载体或低压降静态混合器方面进行了广泛的研究工作，但此类结构的工业应用仅限于不同形状的挤出物，尤其是蜂窝状挤出物。然而，由陶瓷制成的特殊结构部件在许多应用中可能是有利的，特别是催化剂载体或静态混合器以及近年来引起越来越多关注的小型分散工厂，例如用于能源产生或化学合成。增材制造技术可以为特定反应或应用制备定制结构，并且设计自由度很高。弗劳恩霍夫 IKTS 使用基于光刻的陶瓷制造 (LCM) 技术来开发改性蜂窝体，该蜂窝体在不同通道之间具有壁开口并在内部具有扰流板，以结合增强的传质和低压降。此外，还可以实现不同直径的通道。在这种背景下，仿真工具（多物理场计算流体动力学代码）和计算机辅助工程的应用引起了人们的高度关注。这些工具提供了一个具有成本效益的“虚拟”测试和表征平台，用于在广泛的设计参数范围内分析、评估和优化有利结构。以下研究中介绍了定制陶瓷结构的前景以及 LCM 技术的潜力。
Heterogeneous catalysts or static mixers are widely applied in chemical industry. Regardless the extensive research efforts on the development of new catalyst supports or static mixers with low‐pressure drop, the industrial application of such structures is limited to differently shaped extrudates only, especially honeycombs. However, particularly structured components made of ceramics could be advantageous in many applications, especially catalyst supports or static mixers and in small‐scale decentralized plants, that have gained increasing interest in recent years, e.g. for energy generation or chemical syntheses.Additive manufacturing techniques allow the preparation of tailor‐made structures for specific reactions or applications with a high degree of freedom concerning the design. The Fraunhofer IKTS uses the lithography‐based ceramic manufacturing (LCM) technology for the development of modified honeycombs with wall openings between and spoilers inside the different channels to combine enhanced mass transfer and low‐pressure drop. In addition, channels with varying diameters can be realized. In this context, the application of simulation tools (multiphysics Computational Fluid Dynamic codes) and computer aided engineering is of high interest. These tools offer a cost effective “virtual” testing and characterization platform for analysis, evaluation and optimization of advantageous structures over a wide design parameter range.The prospects of tailor‐made ceramic structures as well as the potential of the LCM‐technology is presented in the following study.