Refining Vegetable Oils: Chemical and Physical Refining - PMC
- Type: soybean oil extraction machine
- Usage/Application: soybean
- Production capacity: 6-8t/24h
- Voltage: Customized
- Main components: Motor, Bearing
- Weight: 1100 KG
- Dimension (L*W*H): 1800*1200*1500MM
- Country: cameroon
Some include chemical refining with caustic soda neutralization and physical refining based on steam distillation [49, 50]. In chemical refining, the oil is treated with an alkali solution (caustic soda) that reacts with the free fatty acids (FFA) present as per the following equation and converts them into soap stock [40, 51]:
Chemical Refining and Physical Refining of Vegetable Oil
- Type: soybean oil refinery machine
- Production capacity: 100% oil refining machine
- Voltage: 220V/380V/440V
- Weight: Depends on its capacity
- Dimension (L*W*H): Depends on its capacity
- Power (W): 10-50kw
More simply, physical and chemical refining is defined according to the technology used. Physical refining means the removal of gum from oil via the process of degumming, a special method for removing FFA in the process of deodorization by steam. Chemical refining, however, means chemically removing FFA (acid-base neutralization).
2. Soybean Oil Refining process Soybean oil refining is usually divided into physical refining and chemical refining, which are often used in combination in actual production. 1. Pretreatment Filtration: remove large particles of impurities (such as bean dregs, mud and sand). Alkali refining (chemical degumming):
Physical Refining of Vegetable Oils - ScienceDirect
- Usage: soybean oil
- Production capacity: high
- Voltage: 220V, 380V or other
- Weight: depends on capacity
- Dimension (L*W*H): depends on capacity
- Power (W): depends on capacity
With physical refining, all the FFAs are removed in the physical refining deodorizer, and recovered in the fatty acid scrubber. With soybean and canola oils, this deodorizer distillate is sold for its tocopherol (vitamin E) content. With an FFA content of
transportation, to prepare oil for physical refining, or to produce lecithin. In the case of soybean oil, high quality, food grade lecithin can be produced. Lecithin is a product of commercial interest that permits cost redu ction by wastewater treatment (Farr, 2000). Crude soybean oil has high levels of phosphorus, which can be removed in
EDIBLE OILS AND FATS REFINING - Gianazza International
- Type: cooking oil refining machine
- Production capacity: 10TPD
- Dimension (L*W*H): 460*460*350mm
- Voltage: 220v
- Weight : 13kg-1300kg
- Raw material: cooking, etc.
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Industrialized extraction and chemical refining of veg. oil since 1850ties Physical refining introduced since 1980ties for Palm Oil and other non-gum oils, then followed by high-P seed oils in 1990ties, and RBO around 2000 “Pure” refining (separation) of glyceride oil Clarification (solids removal) – located at extraction site
Effect of Refining Process on the Quality Characteristics of
- Raw Material: soybean
- Production capacity: High
- Dimension (L*W*H): 1000*1000*1000MM
- Voltage: 380 V
- Main components: Others
- Oil Raw material: Rapeseed and other oilseeds
These refining processes a times modify the chemical properties and constituents of these oils to the point of which could be detrimental to human health hence this work geared towards evaluating the effect of the refining processes on the physicochemical properties, oxidation indices, antioxidant activity and phenolic compounds of soybean and cottonseed oils as well as their fatty acid profile.
The refining of edible oils and fats is conducted by using two technological routes: chemical and physical refining. In the chemical refining, wastewater and discharge are produced and higher refining oil losses are caused especially for oils with high FFA content. Physical refining is a modern refining procedure, ecological and with low