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Decoloring agent for reducing anisidine value of soya-bean oil for injection and preparation method thereof

A technology of soybean oil and anisidine value for injection, which is applied in the direction of fat oil/fat refining, chemical instruments and methods, and other chemical processes. The effect of hydrophobicity and strong adsorption capacity

Inactive Publication Date: 2010-11-17
江苏澳特邦非金属矿业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to significantly reduce the anisidine value of soybean oil for injection, it is necessary to use a decolorizing agent, but the decolorizing agents currently on the market such as activated clay, attapulgite, activated carbon, etc. cannot achieve the predetermined value

Method used

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  • Decoloring agent for reducing anisidine value of soya-bean oil for injection and preparation method thereof

Examples

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example 1

[0016] Example 1: The preparation method of decolorizing agent comprises the following steps: (1) attapulgite purification: at first attapulgite clay is added according to mass ratio 5: 3, stirs in distilled water, mass concentration 5% sulfuric acid and wet attapulgite are by mass The volume ratio is 1:3 and soaked for 1 hour; secondly, the mass concentration of 30% sodium hexametaphosphate aqueous solution is added into the attapulgite solution according to the volume ratio of 3:1, the mass concentration of 1% NaOH solution is adjusted to pH 7, and ultrasonic vibration is performed for 1.5 hours; Then static sedimentation, separation of deposition impurity layer to obtain a suspension, the suspension is press-filtered in a filter press to obtain attapulgite with a water content of 40%; finally dry at a temperature of 200° C. for 3 hours in a drying oven to obtain a purified attapulgite; (2) attapulgite Attapulgite activation: Purified attapulgite is roasted at 350°C for 3 hou...

example 2

[0023] Example 2: the preparation method of decolorizing agent comprises the following steps: (1) attapulgite purification: first attapulgite clay is added according to mass ratio 5: 3, stirs in distilled water, mass concentration 5% sulfuric acid and wet attapulgite are by mass The volume ratio is 1:3 and soaked for 1 hour; secondly, the mass concentration of 30% sodium hexametaphosphate aqueous solution is added into the attapulgite solution according to the volume ratio of 3:1, the mass concentration of 1% NaOH solution is adjusted to pH 7, and ultrasonic vibration is performed for 1.5 hours; Then static sedimentation, separation of deposition impurity layer to obtain a suspension, the suspension is press-filtered in a filter press to obtain attapulgite with a water content of 40%; finally dry at a temperature of 200° C. for 3 hours in a drying oven to obtain a purified attapulgite; (2) attapulgite Attapulgite activation: Purified attapulgite is roasted at 425°C for 2 hours ...

example 3

[0024] Example 3: the preparation method of decolorizing agent comprises the following steps: (1) attapulgite purification: first attapulgite clay is added according to mass ratio 5: 3, stirs in distilled water, mass concentration 5% sulfuric acid and wet attapulgite are by mass The volume ratio is 1:3 and soaked for 1 hour; secondly, the mass concentration of 30% sodium hexametaphosphate aqueous solution is added into the attapulgite solution according to the volume ratio of 3:1, the mass concentration of 1% NaOH solution is adjusted to pH 7, and ultrasonic vibration is performed for 1.5 hours; Then static sedimentation, separation of deposition impurity layer to obtain a suspension, the suspension is press-filtered in a filter press to obtain attapulgite with a water content of 40%; finally dry at a temperature of 200° C. for 3 hours in a drying oven to obtain a purified attapulgite; (2) attapulgite Attapulgite activation: Purified attapulgite is roasted at 500°C for 1 hour t...

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Abstract

The invention discloses a decolorizer for reducing an anisidine value in soybean oil for injection and a method for preparing the same. According to the mass percentage, modified attapulgite is mixed with 2 to 3 percent of carbonized bean husk ash to prepare the decolorizer; and the method comprises the following steps: 1, purifying the attapulgite; 2, activating the attapulgite; 3, modifying theattapulgite; 4, preparing the carbonized bean husk ash; and 5, according to the mass ratio of 97-98:2-3, mixing the modified attapulgite with the carbonized bean husk ash in a stirring tank, and grinding the mixture by a pulverizer to obtain the decolorizer. The decolorizer prepared by the method has the advantages of quick decolorizing speed and good decolorizing effect.

Description

technical field [0001] The invention relates to a decolorizing agent and a preparation method thereof, in particular to a decolorizing agent for reducing the anisidine value of soybean oil for injection and a preparation method thereof. Background technique [0002] Soybean oil for injection is a light yellow clear liquid with a weak and specific smell, light taste, slightly soluble in ethanol, and can be mixed with ether, chloroform or petroleum ether arbitrarily. It can be used as injection or intravenous fat emulsion raw material. Fat emulsion infusion is a concentrated high-energy parenteral rehydration solution, which can be used for intravenous injection and can be completely metabolized and utilized by the body. It is mainly used for patients who have difficulty eating before and after surgery and severe It is a kind of high-calorie and nutrient-rich natural vegetable oil that has important physiological functions for the human body. The oil contains a variety of esse...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/20B01J20/12C11B3/10
Inventor 罗军黎丽
Owner 江苏澳特邦非金属矿业有限公司
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