Selecting Technologies for Sour and Ultra-Sour Gas Treating

被引:0
|
作者
Spatolisano, Elvira [1 ]
Pellegrini, Laura A. [1 ]
Finocchi, Antonio [2 ]
de Angelis, Alberto Renato [2 ]
机构
[1] Politecn Milan, Dipartimento Chim Mat & Ingn Chim G Natta, GASP Grp Adv Separat Proc & GAS Proc, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy
[2] Eni SpA, Res & Technol Innovat Dept, Via F Maritano 26, D-20097 San Donato Milanese, Italy
关键词
Gas treating; H2S removal; H2S+CO2 removal; Mercaptans removal; Ultra-sour natural gas reserves; CARBON-DIOXIDE CAPTURE; CO2; CAPTURE; REMOVAL;
D O I
10.1002/cben.202300030
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
As the cleanest fossil fuel, natural gas plays a key role in the path towards renewables. Considering the increasing gas demand, rich CO2 and H2S gas reserves, in the past considered economically unviable, are becoming fruitful. However, the non-conventional nature of this kind of gases, in addition to the potentially higher production cost, raises the need of new strategies for their monetization, bypassing the conventional approaches. Starting from the huge number of novel large-scale projects for the exploitation of rich-H2S gas fields, this paper overviews the current tendencies in sour and ultra-sour natural gas production, focusing on the removal of sulfur-based compounds, together with H2S and CO2. At first, available technologies for ultra-sour gas treatment are discussed. Then, simulations of the absorption processes based on a real case-study are carried out, in order to verify the effectiveness of the proposed alternatives for the removal of mercaptans, as well as CO2 and H2S. Results are critically analyzed, in view of providing a practical guide of industrial interest for the selection of the most suitable method.
引用
收藏
页码:801 / 816
页数:16
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