Use of Vaseline Oils as Promising Absorbents of C4-C6 Hydrocarbons
Students Name: Tarasiuk Iryna Vitaliivna
Qualification Level: master (ESP)
Speciality: Chemical Technology and Engineering
Institute: Institute of Chemistry and Chemical Technologies
Mode of Study: full
Academic Year: 2024-2025 н.р.
Language of Defence: англійська
Abstract: Gas-liquid absorption is one of the essential processes for purifying natural and petroleum gases from impurities, particularly heavy hydrocarbons. Conventional absorbents such as glycols and mineral oils have limitations related to chemical reactivity, toxicity, or high regeneration costs. Lowering the hydrocarbon dew point temperature is crucial to prevent condensation during gas transportation through pipelines. Therefore, the development of new absorbents with improved characteristics is a key task for modern gas treatment technologies. Vaseline oils have recently attracted attention due to their high hydrocarbon solubility, low volatility, and low toxicity. Research by both domestic and international scholars has demonstrated the potential of vaseline oils in removing in removing hydrocarbons from gas streams while reducing hydrocarbons from gas streams while reducing the hydrocarbon dew point temperature – an important factor for compliance with European gas transportation standards. This work analyzes the efficiency of vaseline oils in a compact absorption unit designed to treat 1 million m3 /day of gas Object of the Study – the process of gas-liquid absorption of hydrocarbons from natural and petroleum gases. Subject of the Study – physicochemical properties of vaseline oils and their influence on the efficiency of hydrocarbon absorption in gas purification systems. Research Aim – to assess the feasibility of using vaseline oils as hydrocarbon absorbents based on their solubility capacity, environmental safety, and compliance with modern technological standards. Keywords: vaseline oil, absorption, hydrocarbons gas purification, dew point temperature References Anisimov, M. A., & Stasov, V. S. (2020). Investigation of hydrocarbon solubility in oil-based absorbents. Russian Journal of Physical Chemistry A, 94(12), 2451– 2456. https://doi.org/10.1134/S0036024420120044 Deng, J., & Liu, C. (2019). Environmental assessment of lubricant base oils. Sustainable Chemistry and Pharmacy, 12, 100158. https://doi.org/10.1016/j.scp.2019.100158 EU Gas Network Code. (2023). Technical rules for interoperability and data exchange. European Network of Transmission System Operators for Gas. https://www.entsog.eu/network-codes/interoperability ISO. (2007). Natural gas — Determination of sulfur compounds — Part 1: General principles (ISO Standard No. 6326-1:2007). International Organization for Standardization. Kohl, A. L., & Nielsen, R. B. (1997). Gas purification (5th ed.). Gulf Publishing Company. Seader, J. D., Henley, E. J., & Roper, D. K. (2016). Separation process principles (3rd ed.). Wiley. Wang, X., Liu, H., & Zhang, Y. (2020). A review on absorption-based natural gas dehydration technologies. Journal of Natural Gas Science and Engineering, 77, 103244. https://doi.org/10.1016/j.jngse.2020.103244 Yu, H., & Zhang, Y. (2018). Progress of gas–liquid separation and purification technology. Chemical Industry and Engineering Progress, 37(7), 3007– 3013. https://doi.org/10.16085/j.issn.1000-6613.2017-1804