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Soil composite disinfectant and using method thereof

A technology of soil disinfection and disinfectant, applied in the direction of disinfectant, botany equipment and method, application, etc., can solve the problems of uncontrollable reaction speed between sodium chlorite and activator, low sterilization rate of release speed, economic loss, etc. Achieve good disinfection effect, long shelf life and high sterilization rate

Inactive Publication Date: 2012-03-28
HUAZHONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chlorine dioxide is often used to sterilize soil, which can effectively kill pathogenic bacteria in the soil and control the outbreak of the epidemic, especially in farms. If the soil is not disinfected regularly, an outbreak will occur due to the contamination of soil pathogenic microorganisms Large-scale outbreaks, resulting in huge economic losses
This soil disinfectant makes the activator react with sodium chlorite to release chlorine dioxide, but the sodium chlorite and the activator need to be stored separately, and then mixed in proportion during disinfection, which is still inconvenient to use, and due to the The reaction speed of sodium chlorate and activator is uncontrollable, and the release speed of chlorine dioxide is faster, resulting in a lower sterilization rate

Method used

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  • Soil composite disinfectant and using method thereof
  • Soil composite disinfectant and using method thereof
  • Soil composite disinfectant and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A soil composite disinfectant, the mass ratio of each component is: sodium chlorite: citric acid: bentonite = 1:3:8.

[0019] Production method: Weigh sodium chlorite, citric acid and bentonite according to the above mass ratio, first dry the bentonite at 105°C to 130°C, then mix the sodium chlorite and bentonite evenly in a closed container, and then mix with The citric acid is mixed evenly in a closed container, and finally the mixed product is sealed and packaged in separate bags with moisture-proof materials.

[0020] The soil compound disinfectant of the present embodiment is carried out stability test and chlorine dioxide release rate comparative test, and the results are as follows: figure 1 , figure 2 shown.

[0021] Depend on figure 1 It can be seen that the composite soil disinfectant of the present invention is within 20 days, and the loss rate of chlorine dioxide is 6%-8% at high temperature (37 ℃), and room temperature is 3%-4%, and the loss rate in 20 ...

Embodiment 2

[0024] A compound soil disinfectant, the mass ratio of each component is: sodium chlorite: citric acid: bentonite = 1:4:10.

[0025] Production method: same as Example 1.

Embodiment 3

[0027] A compound soil disinfectant, the mass ratio of each component is: sodium chlorite: citric acid: bentonite=1:2:6.

[0028] Production method: same as Example 1.

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Abstract

The invention discloses a composite disinfectant consisting of sodium chlorite, citric acid and bentonite. The composite disinfectant has the characteristics that the releasing speed of chlorine dioxide is slow and the disinfecting effect is good, is good in stability, long in shelf life and convenient to use. The invention also discloses a soil disinfecting method which comprises the following steps: the sodium chlorite, the citric acid and the bentonite are mixed uniformly according to mass ratio and spayed on the surface of soil, and the spraying amount in each kilo of soil is 25g-35g.

Description

technical field [0001] The invention relates to the field of disinfection, in particular to a soil composite disinfectant and its application method. Background technique [0002] Since chlorine dioxide has good adsorption and penetration to the cell walls of bacteria and other microorganisms, it can destroy the cell walls of bacteria, change their permeability, leak DNA, and oxidize enzymes in cells, destroying microbial enzyme systems. , to control the synthesis of proteins in microorganisms, to oxidize and decompose amino acids in proteins, thereby inhibiting cell growth and eventually leading to their death. Therefore, it is widely used in the fields of sterilization and water purification. Chlorine dioxide is often used to sterilize soil, which can effectively kill pathogenic bacteria in the soil and control the outbreak of the epidemic, especially in farms. If the soil is not disinfected regularly, an outbreak will occur due to the contamination of soil pathogenic micr...

Claims

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Application Information

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IPC IPC(8): A01N59/00A01N25/08A01P1/00
Inventor 齐德生张妮娅赵俊龙
Owner HUAZHONG AGRICULTURAL UNIVERSITY