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CO2清除是人居密闭环境大气生命维持系统的重要组成部分,传统上多以填料吸收塔为吸收装置清除,此法易产生液泛、沟流、雾沫夹带等现象,从而大大降低气液传质速率,因此开发新型CO2清除技术具有重要意义。超重力技术、膜吸收法、分子筛型固态胺法、微藻法和离子液体法成为近年来CO2清除技术的研究热点,本文分别介绍了这几种技术,并对每种技术特点进行概述。
CO2 removal is an important part of the atmospheric life support system of a closed environment. Traditionally, the absorption tower is mostly used to remove the absorption tower. This method can easily lead to flooding, ditch flow and entrainment of mist, thus greatly reducing the gas- Therefore, the development of new CO2 removal technology is of great significance. Super gravity technology, membrane absorption method, molecular sieve type solid amine method, microalgae method and ionic liquid method have become the research focus of CO2 scavenging technology in recent years. In this paper, these kinds of technologies are introduced respectively, and each technical feature is summarized.