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Method for preparing mycotoxin adsorbent by using semicoke

A mycotoxin adsorption and semi-coke technology, applied in the field of animal feed and waste resource reuse, can solve the problem of lack of ecological benefits, and achieve the effect of inhibiting the growth of mold, improving the removal effect and prolonging the shelf life.

Active Publication Date: 2019-04-19
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it has certain economic benefits, it does not have ecological benefits

Method used

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  • Method for preparing mycotoxin adsorbent by using semicoke
  • Method for preparing mycotoxin adsorbent by using semicoke

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The semi-coke raw material was crushed and calcined at 350°C for 4 hours; 150g was weighed and dispersed in 500ml of water to prepare a dispersion with a solid-to-liquid ratio of 30%, and then sulfuric acid (content 98%) with 10% mass of semi-coke was added and reacted for 4 hours ; The product is washed with water, washed with alcohol, and dried to obtain purified semi-coke;

[0018] Weigh 100g of purified semi-coke, 3g of sodium acetate, and dissolve 120g of distilled water with 2.5g of octadecyldimethylbenzyl ammonium chloride, mix evenly and add to a planetary ball mill to grind for 60min (material: ball: water mass Ratio=1:10:1.2), unloading, drying, and grinding to obtain mycotoxin adsorbent. In vitro adsorption performance of this product on zearalenone see figure 2 .

Embodiment 2

[0020] The raw semi-coke was crushed and calcined at 500°C for 4 hours. Weigh 150g and disperse in 250ml water to prepare a dispersion with a solid-to-liquid ratio of 60%; add sulfuric acid (98% content) with 5% mass of semi-coke, react for 4 hours, and wash the product with water, alcohol, and dry to obtain purified semi-coke;

[0021] Weigh 100g of purified semi-coke, 5g of calcium propionate, and dissolve 100g of distilled water with 3g of octadecyltrimethylammonium chloride, mix evenly and add to a planetary ball mill to grind for 120min (material: ball: water mass ratio = 1:6:1), unloading, drying, and grinding to obtain mycotoxin adsorbent. In vitro adsorption performance of this product on zearalenone see figure 2 .

Embodiment 3

[0023] The raw semi-coke was crushed and then calcined at 700°C for 2 hours; 150g was weighed and dispersed in 500ml water to prepare a dispersion with a solid-to-liquid ratio of 30%, and sulfuric acid (content 98%) with 5% semi-coke mass was added to react for 4 hours; the product After washing with water, washing with alcohol and drying, the purified semi-coke is obtained;

[0024] Weigh 100g of purified semi-coke, 7g of sodium diacetate, 4g of cetyltrimethylammonium bromide, and 80g of water, mix them evenly, and add them to a planetary ball mill to grind for 240min (mass ratio of material: ball: water = 1: 4:0.8), unloading, drying and crushing to obtain mycotoxin adsorbent. The in vitro adsorption performance of this product on zearalenone see figure 2 .

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Abstract

The invention discloses a method for preparing a mycotoxin adsorbent by using semicoke. The method comprises the steps of uniformly mixing purified semicoke, a bacteriostatic agent, an organic modifier and a grinding aid, then adding the mixture into a ball mill, and executing full grinding, discharging, drying and crushing to obtain a semicoke type bacteriostatic and mildew-removing agent. The mycotoxin adsorbent prepared by the method has the good removal effect on mycotoxin in feed, especially zearalenone and meanwhile can inhibit mold growth, prevent feed mildewing and prolong the shelf life of feed products, and the field of high-value utilization of semi-coke resources is expanded while the problem of mycotoxin pollution is solved.

Description

technical field [0001] The invention relates to a mycotoxin adsorbent, in particular to a method for preparing a mycotoxin adsorbent by using semi-coke, belonging to the field of waste resource reuse and animal feed. technical background [0002] Semi-coke is a solid waste pyrolyzed from coal or oil shale at a lower temperature, mainly composed of inorganic oxides (mainly including SiO 2 、A1 2 o 3 , CaO, Fe 2 o 3 ) and residual carbon components. Due to the large-scale mining of coal and oil shale, hundreds of millions of tons of semi-coke waste are produced every year. Except for a small part used in traditional industries such as calcium carbide, chemical fertilizer, ferroalloy, industrial and civil combustion, most of them can only be piled up for a long time. It will cause certain pressure on coal and oil shale miners and cause certain pollution to the environment. How to effectively utilize semi-coke and realize high-value utilization of waste resources has become...

Claims

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Application Information

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IPC IPC(8): B01J20/20B01J20/30A23L5/20C07D313/00
CPCB01J20/20A23L5/273C07D313/00
Inventor 康玉茹王爱勤惠爱平牟斌王文波宗莉朱永峰
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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