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Updated: Sep 11, 2025

Enhanced Oil Recovery using a Combination of Biosurfactants
Published on: June 3, 2022
Combined effects of shell content, container volume and several core parameters on the recovery of oil from wild
Niloufar Nekouei1, Karamatollah Rezaei1
1Department of Food Science, Engineering, and Technology, University of Tehran, P.O. Box 31587-77871, Karaj, Iran.
Abstract:
The main objective of this study was to evaluate the effect of the woody hard shell in the aqueous extraction of wild almond oil considering two unattended parameters (presence of shell and container volume) along with the amount of water, temperature, agitation rate, and time. Shell content did not negatively impact the extraction yield. But water content, container volume and temperature contributed to 34.5, 27.5 and 34.0 % of the model considered for the final experimental design in this study. Particle size, shaking rate and process time also impacted the extraction yield significantly. Using the whole seed (the kernel combined with original shell) under optimum extraction conditions resulted in 33.2 ± 2.5 % free and 0.0 % emulsified oil. Container volume was a parameter considered for the first time in the current study and showed exclusive impact in the aqueous extraction of oil from wild almond, which is a good representative for numerous oilseeds.
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