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Middle Scale Hydrogen Sulphide Conversion and Valorisation Technologies: A Review
ChemBioEng Reviews ( IF 6.2 ) Pub Date : 2022-05-03 , DOI: 10.1002/cben.202100057
Elvira Spatolisano 1 , Alberto R. de Angelis 2 , Laura A. Pellegrini 1
Affiliation  

The growing energy demand, together with the depletion of sweet gas reservoirs, impose the monetization of ultra-sour natural gas fields with a high H2S content. To date, in large scale facilities, H2S is removed from natural gas through amine washing and it is converted to sulphur in the Claus process. The Claus process is the leading H2S conversion technology for large scale applications. Regarding small scale plants, scavengers are the most efficient and widely spread choice. On the other hand, present middle scale options show quite high operating costs. Therefore, research efforts are devoted to developing new intermediate scale alternatives with lower costs and easier operability. When developing a new process, the study of the state-of-the-art is the first essential step. No systematic review of H2S valorisation technologies is available in literature. To fill this gap, the aim of this work is to summarize the available processes considering both commercial and novel tendencies for H2S conversion. For each technology, details about process operating conditions are discussed and the typical application is provided, when possible, together with the corresponding pros and cons.

中文翻译:

中等规模的硫化氢转化和增值技术:综述

不断增长的能源需求以及含硫天然气储层的枯竭迫使高 H 2 S 含量的超酸天然气田货币化。迄今为止,在大型设施中,H 2 S 通过胺洗涤从天然气中去除,并在克劳斯工艺中转化为硫。克劳斯过程是领先的 H 2用于大规模应用的 S 转换技术。对于小型工厂,清除剂是最有效和广泛使用的选择。另一方面,目前的中等规模选项显示出相当高的运营成本。因此,研究工作致力于开发成本更低、更易于操作的新型中等规模替代品。在开发新工艺时,研究最新技术是必不可少的第一步。文献中没有对 H 2 S 增值技术的系统评价。为了填补这一空白,这项工作的目的是总结考虑 H 2的商业和新趋势的可用工艺S 转换。对于每种技术,都讨论了有关过程操作条件的详细信息,并在可能的情况下提供了典型应用以及相应的优缺点。
更新日期:2022-05-03
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