New nanostructured sorbents for desulfurization of natural gas  

作　　者：Lifeng WANG Ralph T. YANG 

机构地区：[1]Department of Chemical Engineering, University of Michigan, Ann Arbor, M1 48109, USA

出　　处：《Frontiers of Chemical Science and Engineering》2014年第1期8-19,共12页化学科学与工程前沿（英文版）

摘　　要：Desulfurization of natural gas is achieved commercially by absorption with liquid amine solutions. Adsorption technology could potentially replace the solvent extraction process, particularly for the emerging shale gas wells with production rates that are generally lower than that from the large conventional reservoirs, if a superior adsorbent （sorbent） is developed. In this review, we focus our discussion on three types of sorbents： metal- oxide based sorbents, Cu/Ag-based and other commercial sorbents, and amine-grafted silicas. The advantages and disadvantages of each type are analyzed. Possible approaches for future developments to further improve these sorbents are suggested, particularly for the most promising amine-grafted silicas.Desulfurization of natural gas is achieved commercially by absorption with liquid amine solutions. Adsorption technology could potentially replace the solvent extraction process, particularly for the emerging shale gas wells with production rates that are generally lower than that from the large conventional reservoirs, if a superior adsorbent （sorbent） is developed. In this review, we focus our discussion on three types of sorbents： metal- oxide based sorbents, Cu/Ag-based and other commercial sorbents, and amine-grafted silicas. The advantages and disadvantages of each type are analyzed. Possible approaches for future developments to further improve these sorbents are suggested, particularly for the most promising amine-grafted silicas.

关 键 词：DESULFURIZATION natural gas desulfurization hydrogen sulfide sorbent amine-silica sorbent 

分 类 号：TQ127.2[化学工程—无机化工] TE644[石油与天然气工程—油气加工工程]