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Preparation method of antibacterial attapulgite zearalenone adsorbent

A technology of zearalenone and attapulgite, which is applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of reducing the amount of antibiotics used, the high price of mold removers, and the difficulty in removal, and achieves a reduction in the amount of use. Conducive to mass production and stable product quality

Active Publication Date: 2015-09-09
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Aiming at key problems such as the prevalence of zearalenone pollution in feed, the difficulty of removal, and the high price of commercially available mold removers, the purpose of the present invention is to provide an attapulgite zearalenone adsorbent with antibacterial function The preparation method, the adsorbent obtained by the preparation method effectively reduces the zearalenone in the feed, eliminates the animal production performance decline and immunity-reducing diseases caused by the zearalenone pollution, and has antibacterial function at the same time, reducing The amount of antibiotics used in the feed

Method used

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  • Preparation method of antibacterial attapulgite zearalenone adsorbent

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Embodiment 1

[0025] Embodiment 1: take 100g attapulgite clay and be mixed with the ore slurry that quality is 20%, then add the composite acid modifier of attapulgite clay quality 20% (wherein, the proportioning of acid modifier is that phosphoric acid accounts for 30% , formic acid accounted for 10%, citric acid accounted for 30%, fumaric acid accounted for 30%), stirred at room temperature for 4 hours, passed through a 200-mesh sieve to remove quartz impurities, then added C12mimBr with 15% of the mass of attapulgite clay, and gradually heated to 40 ° C for 4 hours Afterwards, centrifuge, wash with water and ethanol in sequence, dry at 80°C for 4 hours, and then pulverize to obtain attapulgite zearalenone adsorbent with antibacterial function.

Embodiment 2

[0026] Embodiment 2: take 100g attapulgite clay and be mixed with the ore slurry that quality is 20%, then add attapulgite clay quality 10% composite acid modifier (wherein, the proportioning of acid modifier is that phosphoric acid accounts for 30%, Lactic acid accounted for 30%, citric acid accounted for 20%, fumaric acid accounted for 20%), stirred at room temperature for 4 hours, passed through a 200-mesh sieve to remove quartz impurities, then added C14mimBr with 10% of the mass of attapulgite clay, gradually heated to 60°C for 6 hours, and then centrifuged , washed with water and ethanol in turn, dried at 105°C for 4 hours, and pulverized to obtain attapulgite zearalenone adsorbent with antibacterial function.

Embodiment 3

[0027] Embodiment 3: take 100g attapulgite clay and be mixed with the ore slurry that quality is 20%, then add attapulgite clay quality 5% composite acid modifier (wherein, the proportioning of acid modifier is that sulfuric acid accounts for 30%, Formic acid accounted for 20%, malic acid accounted for 30%, succinic acid accounted for 20%), stirred at room temperature for 4 hours, passed through a 200-mesh sieve to remove quartz impurities, and then added attapulgite clay with 5% mass of [C16mim][PF 6 - ], gradually heated to 80°C for 8 hours, centrifuged, washed with water and ethanol in turn, dried at 105°C for 4 hours, and then pulverized to obtain attapulgite zearalenone adsorbent with antibacterial function.

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Abstract

The invention discloses a preparation method of an antibacterial attapulgite zearalenone adsorbent. The preparation method comprises the following steps: performing acidification treatment on attapulgite with a compound acidifier, screening to remove quartz and carbonate impurities, adding an ionic liquid surfactant and performing reaction for 4-12 hour at the temperature of 40-90 DEG C; and separating, washing, drying and crushing the product to obtain the antibacterial attapulgite zearalenone adsorbent. The prepared attapulgite zearalenone adsorbent is not only capable of adsorbing and removing mycotoxin out of feed and also has an antibacterial function and the usage of antibiotics in the feed can be reduced.

Description

technical field [0001] The invention relates to a preparation method of an attapulgite zearalenone adsorbent with antibacterial function, and belongs to the field of deep processing of non-metallic ores. Background technique [0002] Mycotoxin contamination of feed and feed ingredients due to mildew has become a global problem. Zearalenone (Zearalenone, ZEN, chemical name 6-(10-hydroxy-6-oxo-undecenyl) β-rapenolide) is produced by Fusarium graminearum Steroids, mycotoxins with estrogen activity, have strong reproductive toxicity and teratogenic effects, can cause hyperestrogenism in animals, cause infertility or abortion in animals, and can also reduce the immunity of animals, thereby inducing other diseases . In addition, ZEN is difficult to metabolize in animals, and accumulates and remains in livestock and poultry products. After these toxins enter the human body, they can induce DNA shrinkage, cause tumors, cause chromosome abnormalities, and cause great harm to the hu...

Claims

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Application Information

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IPC IPC(8): B01J20/12B01J20/30
Inventor 康玉茹王爱勤王文波牟斌汪琴
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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