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A kind of zinc fumarate complex and its preparation method and application

A technology of zinc fumarate and complexes, which is applied in the fields of application, animal feed, additional food elements, etc., and can solve problems such as easy pollution of the environment and complicated operation steps of zinc fumarate

Active Publication Date: 2021-01-01
南宁市泽威尔饲料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The preparation of zinc fumarate by this method is complicated, and contains heavy metal impurities such as lead and cadmium, and ammonium chloride is used in the preparation process, so that the production wastewater contains chloride ions, which is easy to pollute the environment

Method used

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  • A kind of zinc fumarate complex and its preparation method and application
  • A kind of zinc fumarate complex and its preparation method and application
  • A kind of zinc fumarate complex and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Put 80 parts of water into the reaction kettle, boil it, take 15 parts of fumaric acid and put it into the reaction kettle evenly, stir for 3-10 minutes until completely dissolved; take 10 parts of industrial soda ash and dissolve it in 20 parts of water to obtain a solution with a concentration of 4.7mol After the aqueous solution of sodium carbonate per L, put the aqueous sodium carbonate solution into the fumaric acid solution slowly and evenly, stir, adjust the pH=9.0, then add 35 parts of zinc sulfate monohydrate to react, keep the temperature in the reaction kettle at 50-60°C, and the reaction time 0.5 hours; then put it into a stainless steel pool for cooling and precipitation overnight (8-10h). Put the cooled and precipitated product into the centrifuge for dehydration; then introduce the dehydrated product into the dryer for drying

[0066] The temperature is controlled at 120°C to 145°C. After drying and cooling, it is sieved, and the content of zinc fumarate ...

Embodiment 2

[0070] Put 85 parts of water into the reaction kettle and boil, take 18 parts of fumaric acid and put it into the reaction kettle evenly, stir for 3-10 minutes until complete

[0071] Dissolve completely; Then get 10 parts of sodium carbonate and be dissolved in 20 parts of water, after making the aqueous sodium carbonate solution that solution concentration is 4.7mol / L, slowly and evenly drop into the fumaric acid solution by aqueous sodium carbonate solution, stir, adjust pH=9.0, Then add 55 parts of zinc sulfate heptahydrate for reaction, keep the temperature in the reactor at 50-60°C, and the reaction time is 0.5 hours; then put it into a stainless steel pool for cooling and precipitation. Put the product that has been cooled and precipitated into a centrifuge for dehydration; then introduce the dehydrated product into a dryer for drying, the temperature is controlled at 120 ° C ~ 145 ° C, after drying and cooling, sieve, and the zinc fumarate content is determined to be 96...

Embodiment 3

[0073] Put 90 parts of water into the reaction kettle and boil, take 20 parts of fumaric acid and put it into the reaction kettle evenly, stir for 3-10 minutes until completely dissolved; take 15 parts of industrial soda ash and dissolve it in 30 parts of water to obtain a solution with a concentration of 4.7mol / After 1 L of sodium carbonate aqueous solution, slowly and evenly put the sodium carbonate aqueous solution into the fumaric acid solution, stir, adjust the pH=9.0, then add 70 parts of zinc sulfate heptahydrate to react, keep 50-60°C, and the reaction time is 1.0 hour; then put Put it into a stainless steel pool to cool and settle overnight (8-10h). Put the product that has been cooled and precipitated into dehydration; then introduce the dehydrated product into the dryer for drying, the drying temperature is controlled at 120 ° C ~ 145 ° C, after drying and cooling, sieve, the content of zinc fumarate is determined to be 97%, and the inspection After passing the tes...

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Abstract

The invention relates to a production method of an animal organic feed additive, and particularly relates to a zinc fumarate complex, a preparation method and applications of the zinc fumarate complex. The zinc fumarate complex comprises the following raw materials in parts by weight: 100-120 parts of water, 15-20 parts of fumaric acid, 10-15 parts of sodium carbonate and 35-70 parts of zinc sulfate; the preparation method comprises the following steps: (1) heating water, feeding fumaric acid and dissolving; (2) adding sodium carbonate, stirring, regulating pH value, and then adding zinc sulfate for reaction; (3) cooling, standing and precipitating; and (4) dehydrating, drying, screening and detecting, to obtain the zinc fumarate complex. The prepared zinc fumarate (C4H204Zn) is slightly soluble in water, has good solubility property under the slightly acidic condition, and the absorbance of animals is high when the zinc fumarate complex is served as an animal feed additive.

Description

technical field [0001] The invention relates to a production method of an animal organic feed additive, in particular to a zinc fumarate complex and its preparation method and application. Background technique [0002] my country's feed industry has been booming since the early 1980s and has a history of more than 20 years. By 2011, my country's total feed output reached 178 million tons, ranking first in the world. The annual output of compound feed reaches 51.195 million tons. However, compared with developed countries, my country's additive industry also has some problems while it is developing rapidly. Among them, the research and development of new varieties and new dosage forms of feed additives lag far behind the market demand. As far as trace element additives are concerned, during more than twenty years of production [0003] A large amount of inorganic trace elements have been added. Due to the structure of these inorganic trace elements, their biological potency...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/30A23K50/10A23K20/20
CPCA23K20/20A23K50/10A23K50/30
Inventor 周建群
Owner 南宁市泽威尔饲料有限责任公司
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