Shell has filed a patent for a process to recover aliphatic hydrocarbons from liquid streams containing various compounds. The method involves washing the stream with solvents of different pH levels and conducting liquid-liquid extraction. The invention also covers processes for recovering hydrocarbons from plastics and steam cracking hydrocarbon feeds. GlobalData’s report on Shell gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Shell, was a key innovation area identified from patents. Shell's grant share as of January 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Recovery of aliphatic hydrocarbons from liquid hydrocarbon feedstock
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The patent application (Publication Number: US20240034942A1) describes a process for the recovery of aliphatic hydrocarbons from a liquid hydrocarbon feedstock stream containing various compounds. The process involves mixing the feedstock with a washing solvent and separating it into two streams, one containing the solvent and compounds, and the other containing aliphatic hydrocarbons. This mixture is then subjected to liquid-liquid extraction with an extraction solvent, resulting in streams with different compositions.
Furthermore, the patent application details the specific characteristics of the washing and extraction solvents used in the process, including solubility parameters and components such as water, ammonia, glycols, and various organic compounds. The process also includes the use of sorption agents at different stages to remove heteroatom containing organic compounds from the streams. Additionally, the application extends the process to the recovery of aliphatic hydrocarbons from plastics, emphasizing the importance of separating and recovering valuable hydrocarbons efficiently.
In conclusion, the patent application outlines a comprehensive process for the recovery of aliphatic hydrocarbons from complex hydrocarbon feedstock streams, highlighting the use of specific solvents and extraction techniques. The inclusion of sorption agents and the extension of the process to plastics demonstrate a versatile and efficient method for recovering valuable hydrocarbons from various sources.
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