Exciminiano's and Bautista's team successfully presented their research proposals
Exciminiano's and Bautista's team successfully presented their research proposals
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Rey Quiolo V. Exciminiano, Arthur Cedric Morales VII, Jose Reñelle N. Ronquillo, Dhan Lander Bautista, Van Chester Candido, Suandi Louise Sabas, and Shena Florence Zepeda, BS Petroleum Engineering students, successfully defended their thesis proposals last May 31, 2023, in partial fulfillment of their Petroleum Engineering Methods of Research.
Rey Quiolo V. Exciminiano, Arthur Cedric Morales VII, and Jose Reñelle N. Ronquillo's study focus on the Stabilization of Oil/Water Emulsions during Chemical Flooding using Lecithin/Span 60/Tween 80 Polymeric Surfactant Blend.
Chemical EOR is a widely used technology that involves introducing surfactant solutions into the reservoir to enhance the efficiency of water in displacing oil. Oil/water emulsion stability during chemical flooding is important to the effectiveness of EOR. To stabilize these emulsions, polymeric surfactant mixes are utilized. However, further study is needed to optimize the composition of such mixtures. Moreover, traditional chemical surfactants are costly, non-biodegradable, and hazardous to aquatic life. To address these concerns, this study proposes the use of a polymeric surfactant blend consisting of Lecithin, Span 60, and Tween 80. By leveraging the strengths of each surfactant, the blend can effectively stabilize oil/water emulsions. The interaction between these components can result in synergistic effects, enhancing interfacial tension reduction and emulsion stability. The stability of oil-in-water emulsion will be studied by varying the surfactant blend concentration using a Simplex Lattice Design using the solubilization ratio as the response. The performance of the blend at optimal conditions will be compared with other surfactants, including DTAB, SLS, NP12EO, and CAPB. By investigating the stability of oil/water emulsions using the proposed surfactant blend, this study could help identify alternative surfactants for EOR applications that are cost-effective, biodegradable, and environmentally friendly.
Meanwhile, Dhan Lander Bautista, Van Chester Candido, Suandi Louise Sabas, and Shena Florence Zepeda's research is on 2-ethyl hexyl nitrate (EHN), tert-butylhydroxyquinone (TBHQ), and Diethyl Ether (DEE) as Biodiesel Additive Blend: Effect on the Properties of Hanga Nut (Pittosporum resiniferum) Biodiesel.
As traditional fuel sources become limited, the quest for alternative energy sources has become more intense. Biodiesel is environmentally friendly since it is biodegradable and non-toxic, and it reduces pollutant emissions greatly when compared to petroleum. The Biofuels Act of the Philippines regulates the integration of biodiesel and ethanol into diesel and gasoline, respectively. While blending biofuels has various advantages, there are certain issues relating to fuel availability, compatibility with current engines, and supply stability. Because of their advantageous fatty acid content, non-edible oil-bearing plants such as Pittosporum resiniferum (Hanga Nut) have received interest in biodiesel production. However, Hanga Nut biodiesel, like other biodiesel feedstocks, suffers cold flow and oxidative stability difficulties. Additives are critical for achieving fuel regulations and dealing with biodiesel difficulties. To overcome the limits of biodiesel, researchers have investigated the use of additives to improve its performance and stability. This research looks at the effects of additive blends, especially 2-ethyl hexyl nitrate (EHN), tert-butyl hydroquinone (TBHQ), and diethyl ether (DEE), on the physicochemical characteristics of Hanga Nut biodiesel. These additives have the potential to improve biodiesel ignition quality, combustion efficiency, oxidation stability, and cold flow characteristics. Despite substantial studies on the effects of these additions on biodiesel, little emphasis has been paid to their effects on Hanga Nut biodiesel. Investigating the effects of EHN, TBHQ, and DEE on Hanga Nut biodiesel is critical for enhancing fuel properties and extending its potential as a diesel alternative. The goal of this study is to evaluate the physicochemical properties of Hanga Nut biodiesel with these additions in order to determine the appropriate additive quantities to improve overall performance. The findings will add to our understanding of biodiesel additives, particularly in the context of non-edible oil-bearing plant-based biodiesel, with an emphasis on Hanga Nut biodiesel. Finally, this research will support the long-term use of non-edible oil-bearing plants for biodiesel production, creating a greener and more sustainable energy future.
Their research projects will be conducted from 2023 to 2024.
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