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Preparation method for crystal modification in synthesis of basic copper chloride

A technology of copper chloride and crystal, which is applied in the field of preparation of crystal modification, can solve the problems of difficult control, high production cost, complex reaction, etc., and achieve the effects of increasing moisture resistance, short synthesis time, and simple process operation

Pending Publication Date: 2021-11-05
HUNAN DEBANG BIOLOGICAL TECH CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a kind of preparation method of the crystal modification in the basic cupric chloride synthesis, aims to solve the production technology of basic cupric chloride in the prior art needs to heat different raw materials, then mixes, The reaction is more complex and difficult to control, and the corresponding production cost is relatively high technical problem

Method used

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  • Preparation method for crystal modification in synthesis of basic copper chloride
  • Preparation method for crystal modification in synthesis of basic copper chloride
  • Preparation method for crystal modification in synthesis of basic copper chloride

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preparation example Construction

[0036] A preparation method for crystal modification in basic copper chloride synthesis, comprising the steps of:

[0037] At room temperature, add copper chloride to the reaction kettle, then add tap water, and stir thoroughly until the copper chloride is completely dissolved;

[0038] Then add the polymer crystal improver to the reaction kettle, and continue to stir after adding;

[0039] Then add sodium hydroxide solution, continue to stir after adding, then leave standstill;

[0040] Afterwards, open the bottom of the reaction kettle and transfer to a vacuum filtration device for suction filtration. After the solid is obtained, it is washed with tap water. After the suction filtration is completed, it is placed in a drying oven to dry at a constant temperature;

[0041] Then take the dried obtained product and carry out a simulated high temperature and high humidity test in a constant temperature and humidity test chamber.

[0042] Add industrial-grade solid copper chlor...

Embodiment 1

[0060] Example 1, see figure 1 , the invention provides a kind of preparation method of the crystal modification in the synthesis of basic copper chloride, comprising the steps:

[0061] S1: At room temperature, add 7.50kg of industrial-grade solid copper chloride dihydrate into a 50L glass reactor, add 10L of tap water, and stir for 15 minutes until the copper chloride is completely dissolved;

[0062] S2: Then add 7.5 g of sodium lignosulfonate crystal modifier, and continue to stir for 10 minutes;

[0063] S3: Then add 16.6L of 15% sodium hydroxide solution for 20 minutes, continue to stir for 20 minutes after adding, and then let stand for 30 minutes;

[0064] S4: Open the bottom of the reaction kettle and transfer to a vacuum filtration device for suction filtration, and wash with 1L of tap water, after suction filtration, dry in a constant temperature 110°C drying oven to obtain 4.4 kg of basic copper chloride powder with a particle size greater than 50 microns;

[0065]...

Embodiment 2

[0067] Example 2, see figure 2 , the invention provides a kind of preparation method of the crystal modification in the synthesis of basic copper chloride, comprising the steps:

[0068] S1: At room temperature, add 7.50kg of industrial-grade solid copper chloride dihydrate into a 50L glass reactor, add 10L of tap water, and stir for 15 minutes until the copper chloride is completely dissolved;

[0069] S2: Then add 15 g of sodium lignosulfonate, a crystal modifier, and continue stirring for 10 minutes;

[0070] S3: Then add 9.96L of 25% sodium hydroxide solution for 20 minutes, continue to stir for 20 minutes after the addition, and then let stand for 30 minutes;

[0071] S4: Open the bottom of the reaction kettle and transfer to a vacuum filtration device for suction filtration, and wash with 1L of tap water. After suction and drying, dry in a constant temperature 110°C drying oven to obtain 4.44 kg of basic copper chloride powder with a particle size greater than 50 micro...

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Abstract

The invention relates to the technical field of animal feed production, and particularly discloses a preparation method for crystal modification in basic copper chloride synthesis, wherein the preparation method comprises the following steps: adding copper chloride into a reaction kettle at room temperature, then adding tap water, and fully stirring until the copper chloride is completely dissolved; then adding a polymer crystal improver into the reaction kettle, and continuing to stir after the polymer crystal improver is added; then adding a sodium hydroxide solution, continuously stirring after the sodium hydroxide solution is added, and then standing; opening the bottom of the reaction kettle, transferring to a vacuum suction filtration device for suction filtration to obtain a solid, cleaning with tap water, and putting in a drying box and drying at constant temperature after suction filtration is completed; and performing a simulated high-temperature and high-humidity test on the dried product in a constant-temperature and constant-humidity test box. The preparation method is simple in process, convenient to operate, high in yield, free of environmental pollution, low in cost and stable in product, and the prepared product is not prone to being affected with damp under high-temperature and high-humidity conditions.

Description

technical field [0001] The invention relates to the technical field of animal feed production, in particular to a preparation method for crystal modification in the synthesis of basic copper chloride. Background technique [0002] Basic copper chloride as animal trace element nutrient is a new type of copper source feed additive emerging in the 21st century. Because of its high bioavailability, it does not destroy the vitamins and oils in the feed, and its water solubility is very low. It does not corrode production equipment, and has a uniform particle size, which is conducive to feed processing, transportation and storage. It has a high copper content and requires less addition. It has better biological availability than the traditional feed additive copper sulfate. The safety of feed addition and the economy of feed production. [0003] At present, the method of reacting ammonia water and basic copper chloride is used in the production process of producing basic copper c...

Claims

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Application Information

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IPC IPC(8): C01G3/05A23K20/20
CPCC01G3/05A23K20/30
Inventor 蔡春林邓志刚冯一凡
Owner HUNAN DEBANG BIOLOGICAL TECH CO LTD
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