Refining method of camellia oil

A technology of camellia oil and crude oil, applied in the direction of fat oil/fat refining, fat production, etc., can solve the problems of low oil yield, large waste water, large consumption of production auxiliary materials, etc., and achieves low production cost, less soap stock, and consumption. small amount of effect

Active Publication Date: 2006-03-15
广东新大地生物科技股份有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

There is also a conventional alkali refining process. During the production process, a large amount of soapstock will be produced, and some n

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] 1. Removal of impurities: tea seed crude oil contains saponin, pigments, hydrocarbons, peroxides, free fatty acids, sugars and their derivative proteins, etc., and the impurity content in tea seed crude oil is less than 0.2%.

[0009] 2. Degumming:

[0010] Heat 100 kg of tea seed crude oil to 60°C, add 0.2 kg of citric acid, and stir rapidly for 15 minutes, then add 10 kg of water at 65°C, stir for 8 minutes, and statically measure for 4 hours to remove impurities and the water layer.

[0011] 3. Physical deacidification:

[0012] The crude oil enters the packed tower at a temperature of 230°C and a vacuum of 200Pa. The saturated steam distillation method is used for continuous deacidification to remove free fatty acids in the crude oil. At the same time, peroxides, hydrocarbons, and odorous substances are also get rid of. Control the flow of the crude oil entering the tower so that the free fatty acid in the crude oil flowing out of the packed tower is less than 0....

Embodiment 2

[0024] 1. Impurity removal: the impurity content in the tea seed crude oil is less than 0.2% by means of mechanical impurity removal.

[0025] 2. Degumming:

[0026] Heat up 100 kg of tea seed crude oil to 70°C, add 0.3 kg of citric acid, and stir rapidly for 20 minutes, then add 15 kg of hot water at 75°C, stir for 12 minutes, statically measure for 6 hours, remove impurities and the water layer, and use Wash with hot water at 75°C, let stand for 1 hour, and release the water layer.

[0027] 3. Physical deacidification:

[0028] The crude oil enters the packed tower at a temperature of 240°C and a vacuum of 150Pa. The saturated steam distillation method is used for continuous deacidification to remove free fatty acids in the crude oil. The flow of crude oil entering the tower is controlled so that the free fatty acid in the crude oil flowing out of the tower is less than 0.5%. Also, to the by-product mixed fatty acids.

[0029] 4. Alkali refining deacidification:

[0030...

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PUM

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Abstract

A refinery method of camellia oil is carried out by removing impurities for tea seed crude oil, degumming, physically depickling with free fatty acid<0.5% in crude oil, adding sodium carbonate and sodium hydrate into oil, washing, laying aside, washing, drying, decolouring, and deodorizing to obtain refined camellia oil. Its advantages include low cost, higher output rate, short deodorization time, less consumption and waste- water discharge.

Description

technical field [0001] The invention relates to a method for refining edible oil, in particular to a method for refining camellia oil by using tea seed crude oil. Background technique [0002] Camellia seeds grow in subtropical mountainous and hilly areas in southern my country. Most of the camellia seed oil is processed in small workshops, with many impurities and dark color. The oil is eaten directly without treatment, and the unique nutritional value of camellia oil is not fully reflected. There is also a conventional alkali refining process. During the production process, a large amount of soapstock will be produced, and some neutral oil will be entrained. The oil yield is low, the waste water is large, and the consumption of production auxiliary materials is large. Contents of the invention [0003] The purpose of the present invention is exactly to provide a kind of soapstock that produces very few, the method for the refining camellia oil that oil yield is high. ...

Claims

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Application Information

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IPC IPC(8): C11B3/00
Inventor 黄运江樊和平
Owner 广东新大地生物科技股份有限公司
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