选择吸附脱硫研究进展

doi:10.16085/j.issn.1000-6613.2019-0095

摘要/Abstract

摘要：

燃油中的含硫化合物在高温燃烧时生成的硫氧化物是大气中主要的污染物之一，对环境和人类健康有极大的危害。本文介绍了目前所发展的燃油脱硫的常用方法，重点阐述了吸附脱硫技术的研究进展。首先对吸附脱硫剂的开发现状进行了介绍，对目前发展的多种吸附脱硫剂包括活性炭、金属有机物框架、表面分子印迹聚合物、无机吸附剂的吸附脱硫量、选择吸附性、吸附影响因素进行了深入分析，总结了不同吸附剂的脱硫机理，并对不同吸附剂的再生方法、再生后的吸附效果进行了概述和评价。随后对比总结了这几类吸附剂的优缺点。最后介绍了目前吸附脱硫技术所存在的问题，指出开发在非硫化合物存在的情况下对含硫有机物具有高选择性、再生性能好的吸附脱硫剂是未来的发展趋势。

关键词: 吸附剂, 选择性, 燃料, 脱硫, 二苯并噻吩

Abstract:

Sulfur oxides produced by sulfur compounds in fuel during combustion at high temperatures are one of the main pollutants in the atmosphere, which have great harm to the environment and human health. In this review, the common methods developed for fuel desulfurization have been introduced, and the research progress of adsorption desulfurization technology has been emphasized. Firstly, the current status on the development of various kinds of adsorbents for desulfurization has been introduced, including activated carbon, metal-organic framework, surface molecularly imprinted polymer, as well as inorganic adsorbents. The retention capacity, selectivity, influencing factors of adsorption have been analyzed in detail. The desulfurization mechanisms of different adsorbents are summarized. The regeneration methods for different adsorbents, and the adsorption effects after regeneration are summarized and evaluated. The advantages and disadvantages of these adsorbents are compared and summarized. Finally, the existing problems of adsorption desulfurization are introduced. It is pointed out that the development of adsorbents with high regeneration ability, as well as high selectivity for sulfur-containing organic compounds in the presence of non-sulfur compounds is the future research trend.

Key words: adsorbents, selectivity, fuel, desulfurization, dibenzothiophene

中图分类号:

X511

刘畅,闫志义,李巧灵,林靖,黄阳. 选择吸附脱硫研究进展[J]. 化工进展, 2019, 38(11): 5114-5126.

Chang LIU,Zhiyi YAN,Qiaoling LI,Jing LIN,Yang HUANG. Research progress of selective adsorption desulfurization[J]. Chemical Industry and Engineering Progress, 2019, 38(11): 5114-5126.

图/表 1

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