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ISSN 2063-5346
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CHEMICAL IMPROVED OIL RECOVERY USING CERTAIN AGRO-WASTE AS NATURAL ALKALI AGENTS WITH PHYTOCHEMICAL CHARACTERIZATION

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Mr. Akshay Ganpat Tajane, Prof. Yogeshkumar R. Falak, Mr. Sachin Jagannath Chede
» doi: 10.31838/ecb/2023.12.s3.146

Abstract

According to studies, the application of alkaline during surfactant flooding causes a very low interfacial tension between the oleic and aqueous phases, a change in the rock's wetness, emulsification and coalescence, and a decrease in the amount of surfactant that is adsorbs. These alkalichemicals are poisonous and unfriendly to the environment, nevertheless. A fresh option is the creation of natural-based oil recovery agents. By analysing their mineral and phytochemical makeup, the potential of Brophyllumpinnatum (never die leaf), Elaeis guineensis ash (palm bunch ash), Musa paradisiaca ash (plantain peel ash), and potash as natural alkaline sources for usage as chemical enhanced oil recovery agent was determined. Using atomic absorption spectroscopy (AAS), Fouriertransform infrared spectroscopy (FTIR), and gas chromatography (GC-FID), the materials' mineral and phytochemical contents were identified. The suitability of these materials as recovery agents was assessed using quantitative investigation of their elemental and biomolecule content. The findings indicated that Brophyllumpinnatum has a high level of organic matter as well as several phytochemicals in different amounts, including flavonoids, alkaloids, and saponinin. The results show that these minerals are ideal candidates for alkaline flooding, with potash having the highest pH value of 11.1 at 1% conc. pH is a key factor in alkaline flooding. Divalent ions (calcium and magnesium), which are frequently present on rock surfaces or in the formation brine, were detected in greater concentrations in potash, with values of 7.89 ppm and 4.50 ppm, respectively. Potash would be less prone to issues with phase incompatibility and scale development during oil production as a result. Elaeisguineensis ash and potash had greater concentrations of monovalent ions, potassium, and sodium, respectively. Inorganic carbonates and potassium hydroxide were present in all of the materials except Brophyllumpinnatum, further demonstrating their suitability as excellent alkaline agents for chemical flooding. Due to their excellent recoverability, environmental friendliness, and scale-inhibiting qualities, these materials could be employed as alternatives to the synthetic alkaline compounds used for improved oil recovery.

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