Research progress of gas-liquid mass transfer enhancement in high gravity field

doi:10.11949/j.issn.0438-1157.20140863

Abstract

Abstract:

Gas-liquid mass transfer processes are widely used in chemical industry. Studies of gas-liquid mass transfer enhancement have vital significance in many aspects, including shortened process, reduced equipment size, lower investment, lower operating cost, etc. High gravity (also called Higee) technology with a core device of rotating packed bed (RPB) is one of the effective technologies for mass transfer enhancement. Based on research and development in 30 years, significant progress has been made in high gravity process intensification technology in fundamental and application researches, especially in these processes limited by mixing or mass transfer rate. According to rotor structure, such as block packing rotary rotor, two rotating disks rotor, rotating and static disk combined rotor, research progress and theoretical achievements about mass transfer intensification in RPBs are reviewed. The topics of future development of gas-liquid mass transfer enhancement are also suggested.

Key words: process intensification, rotating packed bed, rotor structure, mass transfer

摘要：

气液传质过程广泛存在于化学工业当中。气液传质强化技术的研究, 对缩短工艺流程、缩小设备尺寸、降低投资和运行成本等具有重要的意义。以旋转床为核心装备的超重力技术, 是气液传质过程强化的有效技术之一。经过30多年的发展, 超重力过程强化技术在基础和应用研究方面都取得了长足的进展, 特别是在受混合和传递限制的过程中得到广泛应用。本文从旋转床转子结构出发, 综述了整体旋转式、双动盘式、动静结合式等转子结构的超重力旋转床气液传质强化的研究进展和理论成果, 并展望了超重力旋转床气液强化传质的发展方向。

关键词: 过程强化, 超重力旋转床, 转子结构, 传质

CLC Number:

TQ028.8

SANG Le, LUO Yong, CHU Guangwen, ZOU Haikui, XIANG Yang, CHEN Jianfeng. Research progress of gas-liquid mass transfer enhancement in high gravity field[J]. CIESC Journal, 2015, 66(1): 14-31.

桑乐, 罗勇, 初广文, 邹海魁, 向阳, 陈建峰. 超重力场内气液传质强化研究进展[J]. 化工学报, 2015, 66(1): 14-31.

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