微化工系统原理和应用.pdf

学兔兔 化 工 进 展 201 1年第30卷第8期 CHEMICAL INDUSTRY AND ENGINEERING PROGRESS ·1637· 微化工系统的原理和应用 骆广生，王 凯，王玉军，吕阳成，徐建鸿 (清华大学化学工程联合国家重点实验室，北京 100084) 摘 要：介绍了微化工系统是以微米尺度微结构化工装备为核心的化工系统，是实现化工过程绿色、安全、高 效的重要途径之一。阐述了微化工系统基于微尺度下流动可控以及混合传递高效的特点，可以有效地提高反应 和分离过程的袁观速率，大幅度缩小装备尺寸，提高过程的安全性。指出了近年来微化工系统在材料可控制 备、新型测试技术和反应分离强化等方面发展迅速，与传统化工系统相比，微化工系统在诸多领域中显现出 了优势。 关键词：微化工系统；微流动；纳微材料；微测试；微反应／分离 中图分类号：TQ 052．5 文献标志码：A 文章编号：1000—6613(2011)08—1637—06 Principles and applications of micro-structured chemical system LUO Guangsheng，WANG Kai，WANG rujun，L Yangcheng，XUJianhong (State Key Lab of Chemical Engineering，Department of Chemical Engineering，Tsinghua University， Beijing 100084，China) Abstract：Micro structured chemical system on micrometer scale as characteristic size iS one of the highly promising chemical engineering technologies for making chemical processes safe，green and highly efficient．The characteristics of micro—structured chemical system are based on controllable flow，faSt mixing and efficient mass／heat transport on micrometer SCale，which are very helpful to accelerating the apparent rate of reaction／separation processes，reducing the size of process equipment， and increasing the safety of engineering processes．During recent years，micro—structured chemical system has developed significantly in material preparation，measurement／analysis and reaction／ separation process intensification．Comparing with the traditionally chemical engineering processes and devices，the advantages