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Process for preparing basic zinc chloride of trace mineral supplement

A technology of trace elements and zinc chloride, applied in the direction of zinc halide, additional food elements, animal feed, etc., can solve the problems of low absorption rate, many impurities in products, slow absorption, etc., and achieve good quality of finished products, simple process, and improved The effect of purity

Active Publication Date: 2005-01-26
XINGJIA BIO ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The application of zinc in today's farming is indispensable, but zinc sulfate or zinc oxide is generally used as zinc element additives. The problem with these two zinc elements is that the absorption is slow and the absorption rate is low, so the dosage is also large
In the past, the production of basic zinc chloride was produced with waste zinc, and also with zinc in the etching solution of the electroplating plate or circuit plate. The disadvantage of these methods is that the product contains more impurities, and the heavy metal content is too high to deal with it. , so it is difficult to meet feed hygiene standards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The reaction steps are as follows: add 4 moles of zinc oxide and 1 mole of zinc chloride at a reaction temperature of 80°C ± 5°C, adjust the pH value to 6.5-7.5, react for 2-3 hours, centrifuge, wash, dry, pulverize, and Can be finished. Wherein the zinc content is 60%.

Embodiment 2

[0013] The reaction steps are as follows: 4 moles of zinc oxide and 1 mole of zinc chloride are at a reaction temperature of 80°C to 95°C, the pH value is controlled to be about 6-8, and the reaction is performed for 1.5 to 2 hours to generate basic zinc chloride, wherein the zinc content is 61%.

[0014] Feeding boars with this additive at a zinc oxide dosage of 30-60% can promote growth and improve disease resistance; prolong the reproductive life of breeding pigs;

[0015] Feeding fattening pigs with the additive at a zinc oxide dosage of 30-60% can promote growth, improve feed-to-meat ratio, improve meat color, and make pig skin rosy and coat bright.

[0016] Feeding suckling piglets with zinc oxide dosage of 30-60% with this additive can improve stress resistance and immunity, promote growth, prevent suckling piglets from diarrhea, and significantly increase the economic value of feed;

[0017] Feeding meat and poultry with the zinc oxide dosage of 30-60% by this additiv...

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PUM

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Abstract

The invention discloses a method for preparing alkali zinc chloride, a trace element additive, which is prepared from zinc oxide and zinc chloride by the mol ratio of 4:1 at 75-95 deg. C, controlling pH=6-8, reacting 1.5-3 hours under normal pressure condition, then carrying out centrifugal separation, washing, drying, disintegrating, and packaging.

Description

Technical field: [0001] The invention relates to a preparation method of basic zinc chloride as a trace element additive. Background technique: [0002] The application of zinc in today's farming is indispensable, but zinc sulfate or zinc oxide is generally used as zinc element additives. The problems of these two zinc elements are slow absorption and low absorption rate, so the dosage is also large. And chelated zinc (zinc methionine, etc.) is difficult to popularize because of the high price though good. The application of basic zinc chloride as feed plays an active role in solving the requirements of fast zinc absorption and high absorption rate in farmed animals, reducing environmental pollution caused by high zinc content in excrement, and keeping the price from being too high. In the past, the production of basic zinc chloride was produced with waste zinc, and also with zinc in the etching solution of the electroplating plate or circuit plate. The disadvantage of thes...

Claims

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Application Information

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IPC IPC(8): A23K20/20C01G9/04
Inventor 黄逸强
Owner XINGJIA BIO ENG CO LTD
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