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- W4381330449 abstract "Abstract The removal of unreactive or non-acidic sulfur species to meet fuel specifications remains a challenge in the oil and gas industry. This is especially the case with the recent introduction of IMO 2020 restrictions in the use of marine fuels to those that have sulfur contents from 3.5% down to 0.5%. This has led refiners to seek alternative sulfur removal technologies that can be used in addition to the conventional desulfurization process. Formulations of cyclic organic carbonates (COCs) were developed in combinations with environmentally friendly lactones and glycol ethers and are shown to facilitate the removal of unreactive organosulfur compounds such as thiophenes, disulfides and mercaptans. This study utilizes different sulfur-containing hydrocarbon streams consisting of crude oil, heavy hydrocarbon (fuel oil), lighter hydrocarbon, naphtha from various refineries and field operations. Model hydrocarbon blends were prepared by dosing with different sulfur compounds and analyzed for sulfur removal efficiency using COC formulations. The use of sulfur containing heavy hydrocarbons from the field were also assessed to demonstrated that the sulfur removal was applicable to a wide range of hydrocarbons. Furthermore, a process for the recovery and reuse of solvent was developed to extend the lifetime of the solvent and reduce the cost of operations. The regenerated solvent shows extended efficiency and the process for its regeneration, recycle and reuse offers many advantages. The newly developed solvent formulation showed enhanced performance over caustic or other specialty chemistries by 30-100% depending on the nature of the sulfur species." @default.
- W4381330449 created "2023-06-21" @default.
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- W4381330449 date "2023-06-21" @default.
- W4381330449 modified "2023-09-27" @default.
- W4381330449 title "Novel Environmentally Responsible Solvents for Sulfur Removal in Oil and Gas Applications" @default.
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- W4381330449 doi "https://doi.org/10.2118/213824-ms" @default.
- W4381330449 hasPublicationYear "2023" @default.
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