Binardi, Randi (2025) Studi Laboratorium Pengaruh Tanin Ekstrak Daun Jambu (psidium Guajava) Pada Proses Penanganan Scale Di Pipa Salur Minyak Bumi. Other thesis, Universitas Islam Riau.

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Abstract

Petroleum and natural gas are non-renewable energy sources that are rapidly depleting worldwide. One of the common issues faced in the oil and gas industry is the formation of scale deposits on various components in the production system, such as oil wells, flow pipes, and downhole pumps. These deposits can obstruct fluid flow and reduce production efficiency. The formation of scale is influenced by various factors, including variations in temperature, pressure, pH, and the interaction between formation water and other components. Therefore, the use of effective scale inhibitors is crucial to address this problem. This study aims to investigate the potential of guava leaf extract as an organic inhibitor for scale formation, as an alternative to more hazardous and expensive inorganic inhibitors such as EDTA 2Na and inorganic acids. In this study, guava leaf extract was obtained using an appropriate extraction method, and its composition was analyzed using ultraviolet-visible (UV-Vis) spectrophotometry to identify active compounds that may act as scale inhibitors, such as tannins, polyphenols, and saponins. The results show that although guava leaf extract has a moderate potential to reduce scale, EDTA 2Na demonstrated a higher efficacy with a greater reduction percentage. The maximum reduction percentage recorded for guava leaf extract was 14% under soaking conditions for 50 minutes with a volume of 15 ml. Meanwhile, EDTA 2Na showed superior results with a more significant scale reduction under the same conditions. However, guava leaf extract exhibited better consistency in reducing scale as the additive volume increased, though the results were more variable compared to EDTA 2Na. This study concludes that although EDTA 2Na is more effective in reducing scale, guava leaf extract has the potential to be used as an environmentally friendly, cost-effective, and non-corrosive organic inhibitor, making it a promising alternative for future oil and gas industry applications.

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