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Preparation method and application of modified magnesium lithium silicate

A lithium magnesium silicate, modified technology, applied in chemical instruments and methods, silicon compounds, food science, etc., can solve problems such as poor absorption of mycotoxins, and achieve the effect of preventing mildew in feed

Active Publication Date: 2021-06-01
JIANGSU HEMINGS NEW MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because of this, according to in vitro evaluation experiments and animal feeding effect experiments, montmorillonite and other smectite minerals have a good adsorption effect on polarly charged mycotoxins (such as aflatoxin, etc.), Less polar mycotoxins such as ketene, deoxynivalenone (macromolecular trichothecenes) are poorly absorbed

Method used

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  • Preparation method and application of modified magnesium lithium silicate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preparation method of modified lithium magnesium silicate, prepared according to the following steps from the following raw material components in parts by mass:

[0020] (1) First add 0.1 parts of beryllium chloride, 20 parts of magnesium chloride, 1 part of lithium chloride and 500 parts of pure water into the hydrothermal reaction kettle and stir thoroughly, then add sodium hydroxide solution with a mass fraction not exceeding 5% until The pH of the reaction system was 8.0, and then continued to fully stir for 10 minutes;

[0021] (2) Then add 1 part of boric acid and 30 parts of silica sol and stir thoroughly for 10 minutes, then heat up to 110°C in airtight conditions and keep it warm for 60 minutes;

[0022] (3) Next, stop the reaction and discharge the material, first filter the reaction solution and wash it thoroughly, and then roast the collected filter cake at 300°C for 10 minutes at high temperature to obtain the modified lithium magnesium silicate No.1.

Embodiment 2

[0024] A modified lithium magnesium silicate and a preparation method thereof, which are prepared from the following raw material components in parts by mass according to the following steps:

[0025](1) First, add 0.25 parts of beryllium sulfate, 0.25 parts of beryllium nitrate, 25 parts of magnesium sulfate, 25 parts of magnesium nitrate, 2.5 parts of lithium sulfate, 2.5 parts of lithium nitrate and 500 parts of pure water into the hydrothermal reaction kettle and fully stir, Then add a sodium hydroxide solution with a mass fraction of no more than 5% until the pH of the reaction system is 12.0, and then continue to fully stir for 30 minutes;

[0026] (2) Then add 5 parts of boric acid and 60 parts of silica sol and fully stir for 30 minutes, then heat up to 150°C in a sealed chamber and keep it warm for 120 minutes;

[0027] (3) Next, stop the reaction and discharge the material, first filter the reaction solution and wash it thoroughly, and then roast the collected filter...

Embodiment 3

[0029] A modified lithium magnesium silicate and a preparation method thereof, which are prepared from the following raw material components in parts by mass according to the following steps:

[0030] (1) First, 0.1 parts of beryllium chloride, 0.1 parts of beryllium sulfate, 0.1 parts of beryllium nitrate, 10 parts of magnesium chloride, 10 parts of magnesium sulfate, 10 parts of magnesium nitrate, 1 part of lithium sulfate, 1 part of lithium nitrate, and 1 part of lithium hydroxide And add 500 parts of pure water into the hydrothermal reaction kettle and fully stir, then add a sodium hydroxide solution with a mass fraction not exceeding 5% until the pH of the reaction system is 9.0, and then continue to fully stir for 15 minutes;

[0031] (2) Then add 2 parts of boric acid and 40 parts of silica sol and stir thoroughly for 15 minutes, then heat up to 120°C in airtight conditions and keep it warm for 80 minutes;

[0032] (3) Next, stop the reaction and discharge the material,...

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Abstract

The invention discloses a preparation method and application of modified magnesium lithium silicate, and the preparation method comprises the following steps: taking a beryllium-containing substance, a magnesium salt, a lithium salt, silica sol and the like as raw materials, and carrying out high-temperature hydrothermal reaction to prepare magnesium lithium silicate; the number of charges of the crystal lattice structure is large, and the mycotoxins with small polarity such as zearalenone and vomitoxin can be effectively adsorbed in an electrochemical adsorption mode, so that the application prospect in the industry of preventing and treating the mycotoxins by feed is extremely wide.

Description

technical field [0001] The invention relates to the field of preventing and treating mycotoxins in feed, in particular to a preparation method and application thereof for mycotoxins with a large amount of charge, good adsorption performance and a wide prevention and control range. Background technique [0002] The pollution of mycotoxins in feed and the harm it causes are quite serious, and have brought serious consequences on a global scale (according to statistics, 70% of feed samples worldwide have mycotoxins exceeding the standard). my country's existing feed production is more than 200 million tons, ranking among the top five in the world. The rainy season and summer in many areas of my country (especially in South China) are quite humid, leading to moldy feed and mycotoxin contamination are very common, and the resulting harm is already a big problem. Among the hundreds of mycotoxins found so far, several mycotoxins such as aflatoxin, ochratoxin, deoxynivalenol, and z...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/20A23L5/20
CPCA23L5/273C01B33/20
Inventor 张天志张天毅
Owner JIANGSU HEMINGS NEW MATERIALS TECH CO LTD
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