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Manganese methionine preparation method

A technology of manganese methionine and methionine, applied in sulfide preparation, organic chemistry, etc., can solve problems such as difficult sales, complicated production costs, and difficult handling, so as to improve production efficiency, avoid dust, and achieve simple effects

Inactive Publication Date: 2017-05-17
南通德益化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The usual production method of manganese methionine is to use sodium methionine to react with manganese sulfate, and the obtained product is viscous, which is difficult to further process and difficult to sell
The problem existing in the existing preparation method is that in the further processing steps, the air permeability is not good during drying, the water evaporates slowly, it is not easy to dry, it is easy to smolder, and it is very dangerous. It is necessary to add automatic turning equipment, more equipment, and complicated production costs. high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A preparation method of manganese methionine, comprising two steps of salt-forming reaction and drying, the specific steps are as follows:

[0011] (1) Salt formation reaction: put methionine, basic manganese carbonate, benzoic acid and water into the reaction kettle, stir, heat the reaction at 60°C, make carbon dioxide overflow, and generate manganese methionine, methionine, basic manganese carbonate, benzene The mass ratio of formic acid and water is 4:1:2:30;

[0012] (2) Drying: Put the separated granular products in upper and lower air-permeable stainless steel drying sieves, put them in a drying oven for drying, and pass the obtained products through sieving to obtain manganese methionine products. The drying temperature is 100°C.

Embodiment 2

[0014] A preparation method of manganese methionine, comprising two steps of salt-forming reaction and drying, the specific steps are as follows:

[0015] (1) Salt formation reaction: Put methionine, basic manganese carbonate, benzoic acid and water into the reaction kettle, stir, heat the reaction at 70°C, make carbon dioxide overflow, and generate manganese methionine, methionine, basic manganese carbonate, benzene The mass ratio of formic acid and water is 10:3:5:30;

[0016] (2) Drying: Put the separated granular products in upper and lower air-permeable stainless steel drying sieves, put them in a drying oven for drying, and pass the obtained products through sieving to obtain manganese methionine products. The drying temperature is 120°C.

Embodiment 3

[0018] A preparation method of manganese methionine, comprising two steps of salt-forming reaction and drying, the specific steps are as follows:

[0019] (1) Salt formation reaction: Put methionine, basic manganese carbonate, benzoic acid and water into the reaction kettle, stir, heat the reaction at 65°C, make carbon dioxide overflow, and generate manganese methionine, methionine, basic manganese carbonate, benzene The mass ratio of formic acid and water is 7:2:3:30;

[0020] (2) Drying: Put the separated granular products in upper and lower air-permeable stainless steel drying sieves, put them in a drying oven for drying, and pass the obtained products through sieving to obtain manganese methionine products. The drying temperature is 110°C.

[0021] In the production process of the present invention, basic manganese carbonate and initiator are used to ensure that granular products are obtained, which is beneficial to drying, does not need to be pulverized, and avoids the g...

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Abstract

The invention discloses a manganese methionine preparation method, which comprises two steps of a salt forming reaction and a drying step. The preparation method comprises the following steps: a salt forming reaction is characterized in that methionine, basic manganese carbonate, benzoic acid and water in a reaction vessel, the materials are stirred, and heated at the temperature of 65 DEG C, carbon dioxide is overflowed, manganese methionine is generated, and mass ratio of methionine to basic manganese carbonate to benzoic acid to water is 7: 2: 3: 30; and the drying step is characterized in that the separated granular product is placed in a ventilating stainless steel drying screen, the product is placed in a drying box for drying, and the obtained product is sieved to obtain the manganese methionine, wherein the drying temperature is 110 DEG C. The method has the advantages that during production process, basic manganese carbonate and an initiator are used, the granular product is obtained, and is benefit for drying, crushing is not required, dust generation is avoided, and the method has the advantages of simple realization and convenient operation, saves the investment of production equipment and increases the production efficiency.

Description

technical field [0001] The invention belongs to the field of preparation of organic compounds, and in particular relates to a preparation method of manganese methionine. Background technique [0002] In animal feed organic mineral additives, as an organic copper mineral additive, manganese methionine has attracted more and more attention and has broad application prospects. The common production method of manganese methionine is to utilize sodium methionine to react with manganese sulfate, and the obtained product is viscous, which is difficult to further process and difficult to sell. The problem existing in the existing preparation method is that in the further processing steps, the air permeability is not good during drying, the water evaporates slowly, it is not easy to dry, it is easy to smolder, and it is very dangerous. It is necessary to add automatic turning equipment, more equipment, and complicated production costs. high. Contents of the invention [0003] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C319/20C07C323/58
CPCC07C319/20
Inventor 贾庆山马海兵
Owner 南通德益化工有限公司
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