Preparation method of alkaline manganese chloride

A manganese chloride, basic technology, applied in the field of animal feed additives, can solve the problems of unstable chemical properties, low bioavailability, not easy to absorb, etc., and achieve the effects of low production cost, good fluidity and comprehensive functions

Active Publication Date: 2017-06-20
昕嘉生物技术(长沙)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to their unstable chemical properties, inorganic trace elements are easy to chemically react with other ingredients in the feed and beco

Method used

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  • Preparation method of alkaline manganese chloride

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Example Embodiment

[0040] Example 1:

[0041] A preparation method of basic manganese chloride, such as figure 1 As shown, including the following steps:

[0042] (1) Add 262.5Kg of manganese chloride with a purity of 96% to 2m containing 1.05t of water 3 Dissolve completely in the ceramic reactor, adjust the pH of the solution to 7.5, add 288 g of manganese powder, stir for 1 hour and then filter, repeat the above operation once;

[0043] (2) Put the filtrate filtered in (1) into the ceramic reaction kettle again, and add 2Kg of sodium lauryl sulfate into the reaction kettle, after filling it with nitrogen protection, slowly add 20% concentration under constant stirring , 404Kg of sodium hydroxide solution with a purity of 99%, after all the sodium hydroxide solution is added, the temperature is raised to 70°C and the reaction is kept constant for 10h;

[0044] (3) After the reaction is over, add 13.3Kg of alcohol to the closed reaction kettle, and cool to room temperature with stirring to crystallize...

Example Embodiment

[0050] Example 2:

[0051] A preparation method of basic manganese chloride includes the following steps:

[0052] (1) Add 262.5Kg of manganese chloride with a purity of 96% to 2m containing 487.5Kg of water 3 Completely dissolve in the ceramic reactor, adjust the pH of the solution to 7.0, add 97.3g of manganese powder, stir for 0.2h and then filter, repeat the above operation once;

[0053] (2) Put the filtrate filtered in (1) in the ceramic reaction kettle again, and add 320g of fatty alcohol sodium sulfate into the reaction kettle, fill it with nitrogen protection, and slowly add 50% concentration under constant stirring. 188.5Kg of potassium hydroxide solution with a purity of 99%. After all the potassium hydroxide solution is added, the temperature is raised to 30°C and reacted at a constant temperature for 24 hours;

[0054] (3) After the reaction is over, add 58Kg of glycerin to the closed reactor, and cool to room temperature to crystallize under stirring;

[0055] (4) After p...

Example Embodiment

[0060] Example 3:

[0061] A preparation method of basic manganese chloride includes the following steps:

[0062] (1) Add 646.5Kg of manganese chloride tetrahydrate with a purity of 98% to 5m containing 2.33t of water 3 Completely dissolve in the ceramic reactor, adjust the pH of the solution to 6.0, add 142g of manganese powder, stir for 0.5h and then filter, repeat the above operation once;

[0063] (2) Put the filtrate filtered in (1) in the ceramic reaction kettle again, and add 1.5Kg of fatty alcohol ether sodium sulfate into the reaction kettle, after filling it with argon protection, slowly add the concentration to 30%, 99% purity of lithium hydroxide solution 235.1Kg, after all the lithium hydroxide solution is added, the temperature is raised to 50°C and the reaction is kept constant for 4h;

[0064] (3) After the reaction is over, add 140Kg of ethyl acetate to the closed reaction kettle, and cool to room temperature with stirring to crystallize;

[0065] (4) After pressure f...

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Abstract

The invention provides a preparation method of alkaline manganese chloride capable of being used for animal feed. The preparation method comprises the following steps: (1) adjusting the pH (Potential of Hydrogen) value of a manganese chloride solution to be 6.0 to 7.5; adding manganese; stirring for a period of time and filtering; (2) sealing filtrate filtered in the step (1) and introducing nitrogen gas or inert gas for protecting; slowly adding a strong alkaline solution while stirring; raising the temperature and carrying out constant-temperature reaction after reaching reaction temperature; (3) after reacting, adding an organic solvent or an organic solvent-water mixture into a sealed reaction system and keeping the reaction temperature in the step (2); cooling to room temprature while stirring and crystallizing; (4) filtering, washing and drying to obtain the alkaline manganese chloride. The alkaline manganese chloride prepared by the preparation method has the advantages of small damages to nutrient components, high product bioavailability, low processing cost and the like.

Description

technical field [0001] The invention belongs to the field of animal feed additives, in particular to a preparation method of manganese salt. Background technique [0002] Manganese is a component of arginase, prolinase, RNA polymerase, manganese-containing superoxide dismutase (Mn-SOD), pyruvate carboxylase, etc. Activator of enzymes, transferases, hydrolases. Manganese deficiency in animals can lead to reduced feed intake, slowed growth, reduced feed utilization, bone abnormalities, ataxia and abnormal reproductive function. [0003] At present, the manganese sources used in feed additives on the market are mainly divided into inorganic manganese and organic manganese. Inorganic manganese feed additives include MnO, MnSO 4 , MnCl 2 etc. There are differences in the availability of manganese in these compounds. MnSO 4 The bioavailability of Mn in medium is better than that of MnO and MnCO 3 , with MnCl 2 close, among them, the utilization rate of Mn in MnO is only Mn...

Claims

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Application Information

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IPC IPC(8): C01G45/06A23K40/10A23K20/20
CPCC01G45/06C01P2002/80C01P2006/80
Inventor 黄逸强周长虹邓敏彭红星姚亚军夏飞辉
Owner 昕嘉生物技术(长沙)有限公司
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