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Supersonic wave intensified bioenzyme grease degumming method

A grease degumming and ultrasonic technology, which is applied in the direction of fat production, fat oil/fat refining, etc., to achieve the effects of less equipment investment, reduced oil foot volume, and enhanced interface effects

Active Publication Date: 2006-12-27
INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no public information on the application of ultrasonic waves in the bio-enzymatic oil degumming process.

Method used

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  • Supersonic wave intensified bioenzyme grease degumming method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] As shown in the attached figure, the hydrated and degummed double-low rapeseed oil is pumped in and heated by a heat exchanger. % citric acid aqueous solution, 2%~9% NaOH aqueous solution and oil (citric acid and sodium hydroxide adding ratio are 2: 3~4, and the addition of citric acid is 0.03%~0.05% of the oil weight in the mixing tank, with Weight) After being fully mixed in the intensive mixer, it is pumped into the blending tank, the temperature of the oil-water mixture is controlled between 50-90°C, and the oil-water emulsion is blended at a stirring speed of 100-200r / min for 10-30min. At this time, the oil-water emulsion The pH value of the mixture is between 4 and 6. The reconciled oil-water emulsion passes through a heat exchanger, and the oil temperature is adjusted to 20-70°C. After being mixed with the aqueous solution of phospholipase A1 (the addition amount is 50-200U / kg oil), it is pumped into the ultrasonic degumming together. tank, adjust the speed of t...

example 2

[0020] As shown in the attached figure, the hydrated and degummed soybean oil is pumped in, heated by a heat exchanger, and the oil temperature rises to 35-80°C, and then the citric acid storage tank and the NaOH storage tank are opened successively, and the 35%-55% lemon Acid solution, 2% to 9% NaOH solution and oil (the ratio of citric acid and sodium hydroxide is 2:3 to 4.5, and the amount of citric acid added is 0.05% to 0.07% of the weight of the oil in the blending tank, by weight) After being fully mixed in the intensive mixer, it is pumped into the blending tank, the temperature of the oil-water mixture is controlled at 45-90°C, and the oil-water emulsion is blended at a stirring speed of 80-380r / min for 15-50min. At this time, the pH value of the oil-water mixture Between 5 and 7. The reconciled oil-water emulsion passes through the heat exchanger, at this time the oil temperature is adjusted to between 25-75°C, and after being mixed with the aqueous solution of phosp...

example 3

[0022]As shown in the attached figure, the hydrated and degummed cottonseed oil is pumped in, heated by a heat exchanger, and the oil temperature rises to 40-80°C, and then the citric acid storage tank and the NaOH storage tank are opened sequentially, and 35%-55% lemon Aqueous acid solution, 2% to 9% NaOH aqueous solution and oil (the ratio of citric acid and sodium hydroxide is 2:3 to 4, and the amount of citric acid added is 0.04% to 0.06% of the weight of the oil in the blending tank, by weight) After fully mixed in the intensive mixer, it is pumped into the blending tank, the temperature of the oil-water mixture is controlled at 50-80°C, and the oil-water emulsion is blended at a stirring speed of 120-320r / min for 20-60min. At this time, the pH value of the oil-water mixture Between 4.5 and 6.5. The reconciled oil-water emulsion passes through a heat exchanger, and the oil temperature is adjusted to 30-60°C. After being mixed with the aqueous solution of phospholipase (th...

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PUM

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Abstract

The invention relates the ultrasonic degumming method, comprising adjusting emulsion, hypersonic auxiliary enzymolysis and hypersonic auxiliary hydrating. The method comprises the following steps: after biological enzyme treatment fat, carrying out low water hydrated phase, carrying out ultra-audio wave radiation, and then carrying out water-oil separating. The invention can shorten treatment time and enzyme content, improves the boundary effect between oil and water, reduces biological enzyme density, advances the gelatinous hydrating, improves detaching efficiency, modifies weight of boil-off gum content, and reduces equipment investment and oil consumption, reduces cost.

Description

technical field [0001] The invention relates to a method for degumming oil, in particular to a method for strengthening degumming by ultrasonic radiation in the process of treating oil with biological enzymes, which is used to accelerate the degumming speed of biological enzymes and the separation efficiency of oil-water slag phase. Background technique [0002] The methods of oil degumming include hydration degumming, acid refining degumming, adsorption degumming, thermal polymerization degumming and chemical reagent degumming, etc. The refining of edible oils and fats is generally carried out by hydration degumming to remove the hydration phospholipids in the crude oil. To remove the non-hydratable phospholipids in the oil, it is necessary to add chemical substances such as phosphoric acid and NaOH to convert the non-hydratable phospholipids in the oil into hydratable phospholipids, and then remove them by hydration degumming. Now, a new method has emerged for the removal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C12S3/18
Inventor 黄凤洪万楚筠李文林王江薇黄庆德钮琰星杨湄夏伏建刘昌盛黄沁洁郭萍梅程小英
Owner INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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