Journal Highlight: Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

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  • Published: Oct 2, 2017
  • Author: spectroscopyNOW
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thumbnail image: Journal Highlight: Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

Three different classes of sulfur species present in crude oils have been quantified by LC separation and on-line detection and quantification by ICP-MS/MS, which will facilitate the optimization of desulfurization conditions during fuel production.

Quantitative and qualitative analysis of three classes of sulfur compounds in crude oil

Angewandte Chemie International Edition, 2017, 56, 10933-10937
Alessandro Vetere, Daniel Pröfrock and Wolfgang Schrader

Abstract: Owing to the environmental hazards arising from sulfur-containing combustion products, strong legal regulations exist to reduce the sulfur content of transportation fuels down to a few ppm. With the ongoing depletion of low-sulfur crude oil reservoirs, increased technological efforts are needed for crude oil refining to meet these requirements. The desulfurization step is a critical part of the refining process but partly suffers from the recalcitrance of certain species to sulfur removal and the inability to quantitatively understand the behavior of individual compound classes during the process. We herein present a new and simple approach for the parallel quantification of three different classes of sulfur species present in crude oils by LC separation and on-line detection and quantification by ICP-MS/MS. This approach will help to estimate the amount of recalcitrant species and thus facilitate the optimization of desulfurization conditions during fuel production.

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