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Preparation method of slow-release chlorine dioxide powder

A technology of chlorine dioxide powder and chlorine dioxide precursor, which is applied in the field of air purification, can solve problems such as complicated production process, and achieve the effects of strong practicability, good use effect and improved stability

Active Publication Date: 2014-12-03
CHENGDU SHUNFA DISINFECTANT & WASHING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention is realized through the following technical solutions: a preparation method of slow-release chlorine dioxide powder, which overcomes the complicated manufacturing process of using silica gel as a colloid to make slow-release chlorine dioxide air disinfectants in the prior art The defect is to provide a powdery product form, comprising the steps of:

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The invention relates to a preparation method of a slow-release chlorine dioxide powder, which overcomes the defect in the prior art that using silica gel as a colloid to make a slow-release chlorine dioxide air disinfectant is complicated, and provides a In the form of powder, this powder product can absorb and react to remove harmful substances such as formaldehyde. It has the functions of purifying the air, killing bacteria in the air, and removing odors from the air. It is mainly used as an air disinfectant and purifier.

[0033] In this embodiment, the formulation of the slow-release chlorine dioxide disinfection and purification powder mainly consists of 10% chlorine dioxide precursor, 20% activator, 5% slow-release agent, 12% gel, 45% Filler, 8% inert composition.

[0034] Make it through the following steps:

[0035] A: Prepare materials, prepare chlorine dioxide precursor, activator, slow-release agent, gel, filler and inert agent respectively:

[0036] Chlor...

Embodiment 2

[0045] In this embodiment, the formulation of the slow-release chlorine dioxide disinfection and purification powder mainly consists of 5% chlorine dioxide precursor, 12% activator, 10% slow-release agent, 20% gel, 43% Filler, 10% inert composition.

[0046] Make it through the following steps:

[0047] A: Prepare materials, prepare chlorine dioxide precursor, activator, slow-release agent, gel, filler and inert agent respectively:

[0048] Chlorine dioxide precursor selects powdery sodium chlorite for use, by weight ratio; Activator selects powdery sodium bisulfate for use; In the actual preparation process, powdered polyethylene glycol can be used; powdered AQUAGEL PLUS gel can be used as gel agent; powdered anhydrous sodium sulfate can be used as filler; activated carbon can be selected as inert agent.

[0049] B: Drying: Put the chlorine dioxide precursor, activator, filler and inert agent into a constant temperature drying box for drying and then set aside, wherein,

...

Embodiment 3

[0057] In this embodiment, the formulation of the slow-release chlorine dioxide disinfection and purification powder mainly consists of 8% chlorine dioxide precursor, 16% activator, 8% slow-release agent, 16% gel, 47% Filler, 5% inert composition.

[0058] Make it through the following steps:

[0059] A: Prepare materials, prepare chlorine dioxide precursor, activator, slow-release agent, gel, filler and inert agent respectively:

[0060] The chlorine dioxide precursor is selected from powdered sodium chlorite, potassium chlorite and barium chlorite, and the ratio of sodium chlorite: potassium chlorite: barium chlorite is 1:1:1 by weight ratio; activation The agent uses powdered sodium bisulfate, sodium sulfate and magnesium bisulfate, and the ratio of sodium bisulfate, sodium sulfate and magnesium bisulfate is 1:1:1 by weight; the purpose of the slow-release agent is to control moisture The rate of absorption has the effect of slowly absorbing water. In the actual preparati...

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Abstract

The invention discloses a preparation method of slow-release chlorine dioxide powder; the preparation method disclosed by the invention comprises the steps of preparing for materials, drying, mixing and the like; the preparation method is very simple in operation process and low in manufacture cost and is particularly applied to large-scale industrial production; the slow-release chlorine dioxide powder prepared by using the preparation method disclosed by the invention comprises the following components in percentage by weight: 5-10% of chlorine dioxide precursor, 12-20% of an activating agent, 5-10% of a slow-release agent, 12-20% of a gel, 43-47% of a filler, and 5-10% of an inert agent; the slow-release chlorine dioxide powder can be used as an air purifying agent for eliminating formaldehyde, benzene series and the like in air, and has good application prospect in the fields of home furnishing environmental protection, health epidemic prevention and the like; furthermore, the slow-release chlorine dioxide powder prepared by the invention also has the advantages of being easy to store, long in expiration date and the like and is suitable for being popularized and used widely.

Description

technical field [0001] The invention relates to a preparation method of slow-release chlorine dioxide powder, specifically relates to the purification treatment of harmful substances such as formaldehyde in indoor air, and belongs to the field of air purification. Background technique [0002] Formaldehyde, also known as formaldehyde, is a colorless gas with a pungent smell. Its density is slightly higher than that of air. It is easily soluble in water. It is a very volatile organic compound. It is mainly used in various decorative materials, such as wall stickers. Cloth, wall-mounted chemical fibers, carpets, foam plastics, paints and coatings, etc., therefore, are also one of the biggest indoor pollutants that endanger human health. In the modern home environment, excessive concentration of formaldehyde can cause symptoms such as nausea, vomiting, coughing, chest tightness, asthma and even emphysema. The requirements for comfort and aesthetics are getting higher and highe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/72B01D53/58B01D53/52A01N59/00A01N25/18A01P1/00A61L9/013A61L9/14
Inventor 梁宗贵
Owner CHENGDU SHUNFA DISINFECTANT & WASHING TECH
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