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Preparation method of sodium chlorite sustained-release agent

A technology of sodium chlorite and sustained-release agent, which is applied in the field of preparation of sodium chlorite sustained-release agent, can solve problems such as unsafe, slow release, and difficult chlorine dioxide, and achieve high safety, broad application prospects, Easy to use effects

Inactive Publication Date: 2019-10-11
四川蓝洁绿源环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Chlorine dioxide is usually prepared by the reaction of sodium chlorite and acid. However, due to the violent reaction of sodium chlorite and acid, it is not safe to store together, so in most cases it should be prepared and used now; The rate of chlorine oxidation is not easy to control. In some cases where continuous disinfection and antibacterial are required, it is difficult to achieve a slow and stable release of chlorine dioxide

Method used

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  • Preparation method of sodium chlorite sustained-release agent

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preparation example Construction

[0018] In order to solve the above problems, the first aspect of the present invention provides a kind of preparation method of sodium chlorite sustained-release agent, comprises the following steps:

[0019] a. take by weighing sodium chlorite, filler, binding agent, mix;

[0020] b. Add water to the mixture obtained in step a, mix evenly, then put it into a pipe, tamp it and solidify it, and you get it.

[0021] In some preferred embodiments, the preparation method of the sodium chlorite sustained-release agent comprises the following steps:

[0022] a. take by weighing sodium chlorite, filler, binding agent, mix;

[0023] b. Continue mixing the mixture obtained in step a under heating conditions, then put it into a tube, tamp it and solidify it, and you get it.

[0024] In some preferred embodiments, the heating temperature in step b is 50-100°C; more preferably, the heating temperature in step b is 55-75°C; furthermore, the heating temperature in step b is The heating t...

Embodiment 1

[0048] Embodiment 1 provides a kind of preparation method of sodium chlorite sustained-release agent, is characterized in that, comprises the following steps:

[0049] a. take by weighing sodium chlorite, filler, binding agent, mix;

[0050] b. Add water to the mixture obtained in step a, mix evenly, then put it into a pipe, tamp it and solidify it, and you get it.

[0051] The ratio of sodium chlorite, filler, binder and water is 1:0.7:0.5:0.1.

[0052] The filler is an inorganic filler; the inorganic filler is quartz powder; the particle size of the quartz powder is 75 microns.

[0053] The binder is calcium sulfate; the calcium sulfate is calcium sulfate hemihydrate.

[0054] In the step b, the diameter of the tube is 20 mm, the length is 100 mm, the two ends are provided with caps, and one cap is provided with 3 small holes with a diameter of 2 mm.

Embodiment 2

[0056] Embodiment 2 provides a kind of preparation method of sodium chlorite sustained-release agent, is characterized in that, comprises the following steps:

[0057] a. take by weighing sodium chlorite, filler, binding agent, mix;

[0058] b. Add water to the mixture obtained in step a, mix evenly, then put it into a pipe, tamp it and solidify it, and you get it.

[0059] The ratio of sodium chlorite, filler, binder and water is 1:0.7:0.5:0.1.

[0060] The filler is an inorganic filler; the inorganic filler is quartz powder; the particle size of the quartz powder is 200 microns.

[0061] The binder is calcium sulfate; the calcium sulfate is calcium sulfate hemihydrate.

[0062] In the step b, the diameter of the tube is 20 mm, the length is 100 mm, the two ends are provided with caps, and one cap is provided with 3 small holes with a diameter of 2 mm.

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Abstract

The invention discloses a preparation method of a sodium chlorite sustained-release agent. The method comprises the following steps of a, weighing sodium chlorite, a filler and a binder and uniformlymixing the materials above; b, adding water into the mixture obtained in step a, loading the mixture into pipes after uniform mixing, and performing tamping and curing to obtain the sodium chlorite sustained-release agent. According to the preparation method, sodium chlorite, the filler and the binder are prepared into the agent, the agent is loaded into the pipes of different specifications, andcorrespondingly chlorine dioxide can be slowly and controllably released in a time range of 10-180 days to meet the demands of diversified use environments. The sodium chlorite sustained-release agentprepared by means of the method is high in safety in the storage and transportation processes and convenient to use and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of disinfection and sterilization, in particular to a preparation method of a sodium chlorite slow-release agent. Background technique [0002] Chlorine dioxide, as a high-efficiency disinfectant, has the characteristics of non-toxic, non-irritating, stable, etc., and can also deodorize and remove formaldehyde, so it is widely used in water treatment, medical hygiene, food processing, air purification, etc. It is a new generation of green and environment-friendly products in the 21st century. [0003] Chlorine dioxide is usually prepared by the reaction of sodium chlorite and acid. However, due to the violent reaction of sodium chlorite and acid, it is not safe to store together, so in most cases it should be prepared and used now; The rate of chlorine oxidation is not easy to control. In some cases where continuous disinfection and antibacterial are required, it is difficult to achieve a slow and stable release of c...

Claims

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Application Information

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IPC IPC(8): A01N25/08A01N59/00A01P1/00
CPCA01N25/08A01N59/00
Inventor 穆璠
Owner 四川蓝洁绿源环保科技有限公司
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