微纳尺度气液传质强化油品催化加氢反应  

Research progress of micro and nano scale gas-liquid mass transfer to intensify catalytic hydrogenation of oil products

作　　者：王立华 蔡苏杭 江文涛 罗倩 罗勇[1] 陈建峰[1] WANG Lihua;CAI Suhang;JIANG Wentao;LUO Qian;LUO Yong;CHEN Jianfeng(Research Center of the Ministry of Education for High Gravity Engineering and Technology,Beijing University of Chemical Technology,Beijing 100029,China)

机构地区：[1]北京化工大学教育部超重力工程研究中心,北京100029

出　　处：《化工进展》2024年第1期19-33,共15页Chemical Industry and Engineering Progress

基　　金：国家重点研发计划(2022YFA1504401);国家自然科学基金(22022802,22288102)。

摘　　要：相比于经典的滴流床加氢技术,液相加氢技术由于其一次性投资成本和运行能耗低,受到了企业界和学术界的广泛关注。但如何进一步强化氢油相界面的传质速率来提高液相加氢效率,仍是一个重要的难题。近年来快速发展的微纳尺度气泡或液滴的气液传质强化技术有助于油品催化加氢反应。本文以微纳气泡为例,首先总结了微纳气泡特点及产生方式,简述了微纳尺度气液传质强化液相加氢过程可行性判别,回顾了微纳尺度气液传质强化在油品液相加氢工艺中的相关研究及工业应用。最后分析了微纳尺度气液传质强化在油品液相加氢中面临的挑战以及发展方向,即微纳尺度传质与本征反应的匹配、工况条件微纳气泡在反应器中的流动以及含微纳气泡混合物的气液分离等。Compared with the conventional hydrogenation process in trickle bed reactors,liquid-phase hydrogenation with low investment and energy consumption has attracted the attention in industrial and academic community.But how to further intensify the mass transfer rate at the hydrogen-oil interface to improve the efficiency of liquid-phase hydrogenation is still a challenge.In recent years,the gas-liquid mass transfer intensification by micro and nano bubbles or droplets has been rapidly developed,which is helpful for the catalytic hydrogenation of oil products.Taking micro and nano bubbles as an example,this paper firstly summarized the characteristics,and main generation methods of micro and nano bubbles.And the feasibility analysis of micro and nano scale gas-liquid mass transfer to intensify hydrogenation process was briefly described.Current research on the application of micro and nano scale gas-liquid mass transfer intensification in hydrogenation of oil products was reviewed.Finally,the challenges and future research directions of the application of micro and nano scale gas-liquid mass transfer intensification in hydrogenation of oil products were analyzed,including matching the mass transfer rate and intrinsic reaction rate at micro and nano scale,the flow of micro and nano bubbles inside reactor andthe gas-liquid separation of the mixture containing micro and nano bubble.

关 键 词：微纳尺度 气泡 加氢 传递过程 过程强化 

分 类 号：TQ032[化学工程]