Method for refining rape-seed raw oil

A crude oil and rapeseed technology, applied in the direction of oil/fat refining, fat production, etc., can solve the problems of poor deacidification effect, and achieve good deacidification effect and good deodorization effect.

Inactive Publication Date: 2015-12-09
成都市新津迎先粮油有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a kind of crude rapeseed oil refining method, to improve the poor deacidification effect of the existing rapeseed oil refining process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1 of the present invention provides a kind of crude rapeseed oil refining method, comprises the following steps:

[0017] a. Pretreatment: filter the rapeseed crude oil to remove impurities;

[0018] b. Degumming: Add the rapeseed crude oil after removing impurities into the reaction kettle, and add a citric acid solution with a mass concentration of 40% at the same time, mix evenly, the addition of the citric acid solution is 0.1% of the oil weight, and then carry out Degumming reaction, the degumming temperature is 50°C, and the degumming time is 1.5h;

[0019] c. Deacidification: keep the ambient temperature at 80°C, add a phosphoric acid solution with a mass concentration of 1% to the degummed mixed solution, stir for 10 minutes, then add a sodium carbonate solution with a mass concentration of 3%, and mix and stir for 15 minutes. The addition of solution and sodium carbonate solution is 0.2% of the weight of the mixed solution, filter, and add hot water...

Embodiment 2

[0026] Embodiment 2 of the present invention provides a kind of crude rapeseed oil refining method, comprises the following steps:

[0027] a. Pretreatment: filter the rapeseed crude oil to remove impurities;

[0028] b. Degumming: Add the rapeseed crude oil after removing impurities into the reaction kettle, and add a citric acid solution with a mass concentration of 55% at the same time, mix evenly, the addition of the citric acid solution is 0.2% of the oil weight, and then carry out Degumming reaction, the degumming temperature is 60°C, and the degumming time is 2h;

[0029] c. Deacidification: Keep the ambient temperature at 100°C, add a phosphoric acid solution with a mass concentration of 2% to the degummed mixture, stir for 10 minutes, then add a sodium carbonate solution with a mass concentration of 4%, and mix and stir for 20 minutes. The addition of solution and sodium carbonate solution is 0.4% of the weight of the mixed solution, filter, and add hot water with a ...

Embodiment 3

[0035] Embodiment 3 of the present invention provides a kind of crude rapeseed oil refining method, comprises the following steps:

[0036] a. Pretreatment: filter the rapeseed crude oil to remove impurities;

[0037] b. Degumming: Add the rapeseed crude oil after removing impurities into the reaction kettle, and add a citric acid solution with a mass concentration of 43% at the same time, mix well, the addition of the citric acid solution is 0.15% of the oil weight, and then carry out Degumming reaction, the degumming temperature is 55°C, and the degumming time is 1.5h;

[0038] c. Deacidification: keep the ambient temperature at 90°C, add a phosphoric acid solution with a mass concentration of 1.5% to the degummed mixed solution, stir for 10 minutes, then add a sodium carbonate solution with a mass concentration of 3%, and mix and stir for 18 minutes. The addition of solution and sodium carbonate solution is 0.25% of the weight of the mixed solution, filter, add hot water w...

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PUM

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Abstract

The invention provides a method for refining rape-seed raw oil and relates to the technical field of grain and oil processing. The method for refining the rape-seed raw oil comprises the steps of carrying out degumming, carrying out deacidifying, carrying out decoloring, carrying out deodorizing and carrying out subsequent processing. The method for refining the rape-seed raw oil, provided by the invention, the deacidifying effect of the deacidifying step is good, and the whole process effect is good.

Description

technical field [0001] The invention relates to the technical field of grain and oil processing, in particular to a method for refining rapeseed crude oil. Background technique [0002] Rapeseed is mainly produced in the south-central region of my country. For a long time, residents in the producing area mainly eat rapeseed oil. Because rapeseed oil contains a variety of impurities, and the color is darker and the taste is poor, the product grade is lower. In recent years, the grain and oil processing industry has improved the quality of rapeseed oil products by refining the rapeseed oil. However, the deacidification effect of the existing rapeseed oil refining process is relatively poor, thereby affecting the overall sensitivity of rapeseed oil. Contents of the invention [0003] In view of this, the present invention provides a crude rapeseed oil refining method to improve the poor deacidification effect of the existing rapeseed oil refining process. [0004] To achie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/04C11B3/10
Inventor 高惠英
Owner 成都市新津迎先粮油有限公司
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