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Preparation method of microelement methionine hydroxy analogue chelate additive

A methionine hydroxyl and trace element technology, which is applied in the field of preparation of trace element methionine hydroxyl analog chelate additives, can solve the problems of storage, transportation, inconvenience in use, destruction of nutrients, and difficulty in mixing evenly, and achieves a beneficial effect on the feed. Processing and storage, promoting growth, good absorption effect

Active Publication Date: 2013-08-21
XINGJIA BIO ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its problems are: strong corrosive and pungent odor, inconvenient storage, transportation and use, must use expensive special liquid feeding system; very viscous, difficult to mix in feed or feed premix Uniform; a large amount of heat is released when it meets water, causing the feed to heat up and ferment and become rancid during storage and transportation; it is very acidic, with a pH of about 1-2, and it is easy to react with other ingredients in the feed or feed premix. nutrients in the
There are few reports on the preparation method of products with a molar ratio of methionine hydroxyl analogs and trace elements of 2:1

Method used

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  • Preparation method of microelement methionine hydroxy analogue chelate additive
  • Preparation method of microelement methionine hydroxy analogue chelate additive
  • Preparation method of microelement methionine hydroxy analogue chelate additive

Examples

Experimental program
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Effect test

Embodiment 1

[0048] Embodiment 1: Preparation of methionine hydroxyl analog copper

[0049] Add 4.5t of water to 270kg of methionine hydroxy analogs, and stir to form an aqueous solution of methionine hydroxy analogs. Then add 10% potassium hydroxide solution prepared in advance, stir and react for 1 hour, and control the pH value to 5.4. Then add 170 kg of copper chloride dihydrate solid, stir and react for 3 hours, and control the pH at the end point to be 8.0. The reaction temperature in the reaction process is controlled within the range of 30-45°C. After the reaction was completed, it was centrifuged, washed with water for several times, then flashed and dried, and passed through a 40-mesh sieve to obtain the product methionine hydroxyl analog copper 318kg ((CH 3 SCH 2 CH 2 CH(OH)COO) 2 Cu) with a yield of 96% (based on the content of methionine hydroxyl analogs, the same below). The generated waste water enters the storage tank and stands still for a period of time, and the pH ...

Embodiment 2

[0054] Embodiment 2: Preparation of methionine hydroxy analog ferrous

[0055] Add 0.8 t of 10% 1,2-propanediol-water solution to 375 kg of methionine hydroxy analog, and stir to prepare the methionine hydroxy analog 1,2-propanediol-water solution. Then add a pre-prepared sodium hydroxide solution with a mass fraction of 8%, stir and react for 0.2 h, and control the pH value to 4.0. Then add 200 kg of solid ferrous chloride tetrahydrate, stir and react for 0.5 h, and control the pH value at the end point to 5.0. The reaction temperature in the reaction process is controlled within the range of 30-45°C. After the reaction was completed, press filter, wash 2 times with 10% 1,2-propylene glycol-water solution, vacuum-dry to constant weight at 70°C, and cross a 60-mesh sieve to obtain the product methionine hydroxyl analog ferrous ((CH 3 SCH 2 CH 2 CH(OH)COO) 2 Fe·H 2 (0) 342kg, the productive rate is 89%. The waste water produced by the product methionine hydroxyl analog f...

Embodiment 3

[0058] Embodiment 3: the preparation of methionine hydroxy analog zinc

[0059] Add 1Kg of sodium oxalate into 1 t of water, after the dissolution is complete, add 270kg of methionine hydroxy analogue, and stir to form a butyric acid-water solution of methionine hydroxy analogue. Then add the pre-prepared 1+3 ammonia solution (1+3 refers to the volume ratio of ammonia water to water is 1:3), stir and react for 0.5h, and control the pH value to 5.0. Then add 136 kg of anhydrous zinc chloride solid, stir and react for 3 hours, and control the end point pH value to 5.0. The reaction temperature during the reaction is controlled within the range of 20-60°C. After the reaction was completed, press filter, wash with water for 2 times, vacuum-dry to constant weight at 90°C, and pass through a 40-mesh sieve to obtain the product methionine hydroxyl analog zinc ((CH 3 SCH 2 CH 2 CH(OH)COO) 2 Zn·3H 2 (0) 297kg, the productive rate is 92%. The generated waste water enters the stor...

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Abstract

The invention discloses a preparation method of a microelement methionine hydroxy analogue chelate additive, which comprises the following steps: 1) respectively putting a mixed solution of a methionine hydroxy analogue solution and water or a mixed solution of organic substances and water into a closed reaction kettle which is protected by an inert gas atmosphere, starting to stir, performing hydrolysis reaction, adding an alkaline solution, and controlling the pH value at the end point of the reaction; 2) adding basic salt or acidic salt or amphoteric salt of trace metal elements into the liquid obtained by the reaction in the step 1), further reacting, and controlling the pH value at the end point of the reaction at 5-8, thus obtaining a liquid containing a microelement methionine hydroxy analogue chelate; and 3) removing water from the liquid obtained after the reaction in the step 2) is finished, drying, and screening to obtain the microelement methionine hydroxy analogue chelate. The method disclosed by the invention maximally lowers the start-up cost, improves the production efficiency and lowers the production cost, can produce qualified products and is suitable for popularization in a wide range.

Description

technical field [0001] The invention relates to a preparation method of a trace element methionine hydroxyl analog chelate additive. Background technique [0002] Methionine hydroxy analogs have low toxicity, low rumen degradation rate, promote the synthesis of rumen microorganisms, save protein in the diet, improve the production performance of dairy cows, improve the production performance and immunity of animals, reduce nitrogen emissions, and pollute the environment less , simple production process, low price and other characteristics, it is the most economical and effective amino acid source for animals. Although methionine hydroxy analogs have the above advantages, they are gradually replacing some more expensive amino acids in the market. But its problems are: strong corrosive and pungent odor, inconvenient storage, transportation and use, must use expensive special liquid feeding system; very viscous, difficult to mix in feed or feed premix Uniform; a large amount ...

Claims

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Application Information

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IPC IPC(8): C07C323/52C07C319/20A23K1/16
Inventor 黄逸强
Owner XINGJIA BIO ENG CO LTD
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