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Biomass Conversion to Produce Hydrocarbon Liquid Fuel Via Hot-vapor Filtered Fast Pyrolysis and Catalytic Hydrotreating

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Refining Vegetable Oils: Chemical and Physical Refining.

¹Laboratory Biotechnology, Materials and Environment (LBME), Polydisciplinary Faculty of Taroudant, Ibn Zohr University, Agadir, Morocco.

Thescientificworldjournal

|January 24, 2022

Summary

Vegetable oil refining is essential for making crude oils edible, but it can remove nutrients and create harmful compounds. Physical refining is often preferred over chemical refining for better quality and safety.

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Area of Science:

Food Science and Technology
Chemical Engineering

Background:

Crude vegetable oils require refining for safe consumption and food applications.
Common oils include soybean, rapeseed, palm, corn, and sunflower oils.

Purpose of the Study:

To review recent vegetable oil refining technologies.
To compare quality attributes of crude oils from mechanical and solvent extraction.
To evaluate chemical and physical refining methods.

Main Methods:

Literature review of recent technologies in vegetable oil refining.
Analysis of quality attributes of crude oils.
Discussion of advantages and disadvantages of chemical versus physical refining.

Main Results:

Refining improves oil aspect, odor, color, stability, and safety by removing pollutants.
Refining can lead to loss of essential nutrients.
Undesirable compounds like 3-MCPD-esters and trans-fatty acids can be generated during refining.
Physical refining offers advantages over chemical refining.

Conclusions:

Physical refining is a preferred method over chemical refining due to its advantages.
Optimizing refining processes is crucial to balance safety, quality, and nutrient retention.