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A method for removing plasticizer in oil

A plasticizer and oil technology, applied in the direction of oil/fat refining, fat production, etc., can solve the problem of no one involved, and achieve the effect of ensuring quality, remarkable effect, and improving the extraction rate.

Active Publication Date: 2021-12-28
吉林省百利生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, only soybean oil, tea seed oil, rapeseed oil, corn oil, etc. are involved in the research on the removal of plasticizers in oils, and evening primrose oil, which has high nutritional value but has the risk of excessive plasticizers Research on plasticizer removal in

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Take 5g of evening primrose oil and put it into a 10ml test tube, take a total of 5 groups, add dibutyl phthalate (DBP) in sequence according to the gradient concentration, so that the concentration of each group reaches 1mg / kg, 5mg / kg, 10mg / kg respectively , 15mg / kg, 20mg / kg, mix well.

[0043] Each group of oils was pretreated by high-voltage pulsed electric field. The electric field strength is 15kV / cm, the number of pulses is 4, the frequency is 60Hz, the processing time is 400μs, and the pulse width is 100μs.

[0044] The pretreated oil was placed in 60 In the CO source irradiation field, the irradiation dose is 5kGy, and the treatment time is 4min. Add H-2 type activated carbon adsorbent with 1% oil weight, continue to stir to make it adsorb for 30min, the adsorption temperature is 100°C, and then centrifuge at 4500r / min for 30min to separate the adsorbent in the oil, take it out for detection and analysis, after irradiation The removal rates of plasticizers in...

Embodiment 2

[0046] Take 5g of evening primrose oil and put it into a 10ml test tube, take 5 groups in total, add di(2-ethyl)hexyl phthalate (DEHP) in sequence according to the gradient concentration, so that the concentration of each group reaches 1mg / kg, 5mg / kg, 10mg / kg, 15mg / kg, 20mg / kg, mix well.

[0047] Each group of oils was pretreated by high-voltage pulsed electric field. The electric field strength is 30kV / cm, the number of pulses is 6, the frequency is 60Hz, the processing time is 600μs, and the pulse width is 150μs.

[0048] The pretreated oil was placed in 60 In the CO source irradiation field, the irradiation dose range is 10kGy, and the treatment time is 6min.

[0049] Add H-2 type activated carbon adsorbent with 2% oil weight, continue to stir to make it adsorb for 40min, the adsorption temperature is 130°C, and then centrifuge at 4500r / min for 30min to separate the adsorbent in the oil, take it out for detection and analysis, after irradiation The removal rates of plas...

Embodiment 3

[0051] Take 20g of evening primrose oil, add dibutyl phthalate (DBP) and di(2-ethyl)hexyl phthalate (DEHP), so that the concentration of the two plasticizers reaches 5mg / kg, uniform mix.

[0052] Each group of oils was pretreated by high-voltage pulsed electric field. The electric field strength is 30kV / cm, the number of pulses is 6, the frequency is 60Hz, the processing time is 600μs, and the pulse width is 300μs.

[0053] The oil pretreated by high-voltage pulsed electric field was placed in 60 In the CO source irradiation field, the irradiation dose range is 5kGy, and the treatment time is 6min.

[0054] Put the irradiated oil in a three-necked flask, heat and stir to 100°C, add H-2 type activated carbon adsorbent with 3% oil weight, continue to stir until the set adsorption time is 50min, and then centrifuge at 4500r / min for 30min Separating the adsorbent in the oil, if the adsorbent is still suspended in the oil, then filter it, and finally get the clean oil;

[0055]...

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Abstract

The invention provides a method for removing plasticizers in grease, comprising the following steps: S1) pretreating the grease with a high-voltage pulse electric field to obtain pretreated grease; S2) using gamma rays to obtain the pretreated grease performing irradiation treatment to obtain irradiated oil; S3) performing adsorption treatment on the irradiated oil with an adsorbent to obtain treated oil. Compared with the prior art, the present invention first uses high-voltage pulse electric field pretreatment and irradiation treatment to modify the plasticizer in the oil, and then uses the adsorbent to remove the modified plasticizer, which greatly improves the plasticizer. The extraction rate ensures the quality of the oil, and the radiation can also remove harmful substances in the oil at the same time, prolonging the shelf life of the oil, and the present invention can avoid secondary pollution without using chemical reagents, improves the safety of the oil and is Environmentally harmless.

Description

technical field [0001] The invention belongs to the technical field of food processing, in particular to a method for removing plasticizers from oil. Background technique [0002] Plasticizers, also known as plasticizers, mostly refer to phthalate plasticizers, polar or partially polar, not easily soluble in water, easily soluble in organic solvents such as alcohols, esters, ethers, etc. Liquid or solid with high boiling point and low volatility. As a polymer material additive widely used in industry, it is used in food packaging materials, toys, medical blood bags and hoses, vinyl flooring and other materials, and can also be used as a raw material for the production of pesticide carriers, coatings, printing and dyeing, cosmetics and spices, etc. . However, since plasticizers have toxic effects on multiple systems of the body, they are prohibited from being used as food additives. If you eat foods containing plasticizers for a long time, it will cause abnormalities in the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B3/00
CPCC11B3/001
Inventor 王春双潘风光关芯蕊范明莲王文昌
Owner 吉林省百利生物科技有限公司
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