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Tribasic copper chloride microspheres, preparation method thereof and feed additive

A copper chloride, basic technology, applied in the field of basic copper chloride microspheres and its preparation, and feed additives, can solve copper pollution, copper poisoning and other problems, achieve low environmental pollution, large specific surface area, and strong safety Effect

Active Publication Date: 2020-09-11
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to propose a basic cupric chloride microsphere and its preparation method, as well as feed additives, aiming to prepare a coil-shaped alkali Formula copper chloride microspheres, the basic copper chloride microspheres are used as a feed copper source, which solves the problem that copper sulfate and copper sources easily lead to copper poisoning and copper pollution

Method used

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  • Tribasic copper chloride microspheres, preparation method thereof and feed additive
  • Tribasic copper chloride microspheres, preparation method thereof and feed additive
  • Tribasic copper chloride microspheres, preparation method thereof and feed additive

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preparation example Construction

[0036] refer to figure 1 , in the present embodiment, the preparation method of described basic cupric chloride microspheres comprises the following steps:

[0037] Step S10, adding alkaline substances into the aqueous solution of konjac glucomannan to form A liquid.

[0038] Step S20, dissolving copper chloride in ethanol solution to form B solution.

[0039] In this embodiment, liquid A and liquid B are prepared in advance. It should be noted that, in actual implementation, step S10 and step S20 have no sequence, and step S10 can be performed before, after or at the same time as step S20.

[0040] Wherein, the alkaline substance may be common alkaline reagents such as ammonia water, sodium hydroxide, potassium hydroxide, and calcium hydroxide. Further, considering that compared with sodium hydroxide and potassium hydroxide, when selecting calcium hydroxide or ammoniacal liquor as raw material, the purity of the basic cupric chloride microspheres of generation is lower, and...

Embodiment 1

[0057] Add 6.0g NaOH to 300mL 3% aqueous solution of konjac glucomannan, stir to dissolve and form A liquid; add 13.44g CuCl 2 Add to 50mL 95% ethanol solution, stir to dissolve, filter and collect the filtrate to obtain liquid B.

[0058] Transfer liquid B to a 500mL round-bottomed flask, stir with a constant temperature heating magnetic stirrer, and keep the solution temperature at 30°C, add liquid A slowly and uniformly within 50 minutes, and react for another 60 minutes. After the reaction, the obtained The microsphere mixture was centrifuged, the precipitate was separated and washed with water, and the obtained precipitate was dried in a drying oven at 105° C. for 1 h to obtain a green powder.

[0059] Carry out XRD measurement to green powder, the result is as follows figure 2 As shown, it can be seen from the figure that the peak positions 2θ are 16.28°, 18.91°, 26.11°, 30.89°, 32.21°, 32.42°, 32.62°, 32.93°, 38.39°, 39.67°, 40.13°, 40.87° °, 44.60 °, 47.89 °, 49.87 ...

Embodiment 2

[0062] Add 8.96g NaOH to 560mL 2% aqueous solution of konjac glucomannan, stir to dissolve and form A liquid; add 20.40g CuCl 2 Add to 70mL 95% ethanol solution, stir to dissolve, filter and collect the filtrate to obtain liquid B.

[0063] Transfer liquid B to a 1000mL round-bottomed flask, stir with a constant temperature heating magnetic stirrer, and keep the solution temperature at 20°C, add liquid A slowly and uniformly within 60 minutes, and react for another 90 minutes. After the reaction, the obtained The microsphere mixture was centrifuged, the precipitate was separated and washed with water, and the obtained precipitate was dried in a drying oven at 100°C for 2 hours to obtain a green powder, which was basic copper chloride microspheres, and basic copper chloride microspheres The balls are in the shape of wire balls, with a particle size of 1-3 μm.

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Abstract

The invention discloses tribasic copper chloride microspheres, a preparation method thereof and a feed additive. The preparation method of the tribasic copper chloride microspheres comprises the following steps: adding an alkaline substance into an aqueous solution of konjac glucomannan to form a solution A; dissolving copper chloride in an ethanol solution to form a solution B; dropwise adding the solution A into the solution B at 20-40 DEG C, and performing stirring for reaction to form a microsphere mixture; and separating the microsphere mixture, and washing and drying the separated solidto obtain the tribasic copper chloride microspheres. The tribasic copper chloride microspheres prepared by the invention are a sphere formed by clustering a plurality of tribasic copper chloride nanowires, and the particle size of the microspheres is 1.0-3.0 [mu]m. Compared with a common spherical shape, the microspheres have higher porosity and larger specific surface area, so that the contact area between the microspheres and digestive juice is increased, the microspheres are easier to dissolve in gastrointestinal tracts when used as a feed copper source, the bioavailability of the microspheres is further improved, oxidation of vitamins and antibiotics is not accelerated, and the microspheres have higher purity.

Description

technical field [0001] The invention relates to the technical field of feed, in particular to a basic copper chloride microsphere, a preparation method thereof, and a feed additive. Background technique [0002] Copper is one of the essential trace elements for poultry and livestock. It participates in the synthesis of hemoglobin in animals, the maturation of red blood cells, the process of osteogenesis, the pigmentation and keratinization of hair and skin, and is used as a component of several important enzymes in animals. Play a role. At present, the commonly used copper source is copper sulfate, but copper sulfate has high water solubility, strong oxidation and low absorption and utilization rate. When high doses are added to feed, it is easy to cause copper poisoning, and the copper discharged with feces in large quantities will also affect the environment. create pollution. Contents of the invention [0003] The main purpose of the present invention is to propose a ...

Claims

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Application Information

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IPC IPC(8): A23K20/20A23K20/163A23K20/105A23K20/22A23K40/10
CPCA23K20/30A23K20/163A23K20/105A23K20/22A23K40/10
Inventor 杨明刘骏
Owner WUHAN POLYTECHNIC UNIVERSITY
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