A kind of fish oil deacidification process

A deacidification and process technology, applied in the direction of oil/fat refining, other chemical processes, chemical instruments and methods, etc., can solve the problems of weakening intermolecular force, stability, thermal decomposition temperature, etc., to improve adsorption capacity. , low cost, and the effect of improving adsorption performance

Active Publication Date: 2020-12-29
ZHEJIANG OCEAN UNIV
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  • Description
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Problems solved by technology

And the alkalized adsorbent may destroy the regular hydrogen bonds between molecules due to the addition of alkali, so that the intermolecular force is weakened, the molecular chain activities become free, the thermal decomposition temperature decreases, and the stability decreases.

Method used

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  • A kind of fish oil deacidification process
  • A kind of fish oil deacidification process

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Embodiment 1～7

[0039] Deacidification process among the present invention comprises the following steps:

[0040] Put the adsorbent into a dielectric barrier plasma generator whose barrier medium is polymethyl methacrylate, adjust the voltage to 10-20kV, the distance between the upper and lower electrodes is 5-30mm, and the voltage frequency is 30-50kHz, the working The gas first passes through the bubbler equipped with alkaline solution, and then passes into the plasma generator, and adjusts the working gas flow rate to 20-40L min -1 , turn on the AC power switch of the plasma generator, conduct plasma treatment for 50-120s, and the working gas is N 2 , NH 3 One or two of them, the alkaline solution is NaOH solution, KOH solution, Ca(OH) 2 One or more of the solution, the adsorbent is one or more of activated carbon, clay, diatomaceous earth; then continue to pass through the N 2 30~60s;

[0041] Afterwards, the adsorbent is taken out and placed in an inert gas for storage or immediatel...

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Abstract

The invention relates to a fish oil deacidification process and belongs to the technical field of aquatic product processing. The method comprises the steps as follows: placing an adsorbent into a plasma generating device for plasma treatment; adding the adsorbent to degummed fish oil for deacidification treatment after plasma treatment; performing centrifugation to obtain a supernatant, namely, the deacidified fish oil. The fish oil deacidification process has the advantages of simple reaction process, good deacidification effect, high efficiency and little pollution and is easy to control and free of public hazard, and effective nutrient substances in the fish oil are not damaged.

Description

technical field [0001] The invention belongs to the technical field of aquatic product processing and relates to a fish oil deacidification process. Background technique [0002] Deacidification is an important part of oil refining. At present, deacidification methods include molecular distillation deacidification, alkali refining deacidification, physical refining deacidification, organic solvent extraction deacidification and supercritical fluid extraction deacidification, etc. Among them, alkali refining deacidification is an industrial The most commonly used method in the world, the deacidification effect is good, but it needs to be washed several times to remove the fatty acid salt, and then remove the water in a vacuum, which has the disadvantages of complex process, high energy consumption, and environmental pollution; molecular distillation method requires high pretreatment The cost of equipment and equipment is expensive; physical refining deacidification is not sui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B3/10C11B3/16B01J20/12B01J20/14B01J20/20
CPCB01J20/12B01J20/14B01J20/20C11B3/001C11B3/10C11B3/16
Inventor 陈小培罗未方旭波
Owner ZHEJIANG OCEAN UNIV
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