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Preparation method of efficient fruit and vegetable pesticide cleaning agent

A cleaning agent and pesticide technology, which is applied in the field of preparation of high-efficiency vegetable and pesticide cleaning agents, can solve the problems of pesticide removal rate affecting the nutritional components of vegetables and fruits, cleaning agents being difficult to degrade, and secondary pollution of fruits and vegetables.

Inactive Publication Date: 2018-06-29
董晓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main technical problem to be solved by the present invention is that the current method for removing pesticide residues in fruits and vegetables has a general removal rate of pesticides or affects the nutritional components of fruits and vegetables. The cleaning agent used contains a large number of artificially synthesized compounds to cause secondary pollution of fruits and vegetables, and even the cleaning agent itself is difficult to degrade. Then the defect of polluting environment provides a kind of preparation method of high-effect vegetables and pesticides cleaning agent

Method used

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  • Preparation method of efficient fruit and vegetable pesticide cleaning agent

Examples

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Effect test

example 1

[0023] Measure the orthosilicic acid solution with a mass fraction of 60%, heat the orthosilicic acid solution to 100°C, continue to stir and react for 1 hour to obtain a suspension, and mix the suspension, mass fraction 10% sodium hydroxide solution and potassium metaaluminate solution with a mass fraction of 25% were mixed to obtain a precursor solution; The concentration of nickel and 5% of the precursor solution is 0.5mol / L tartaric acid solution, and the high-pressure hydrothermal kettle is closed, heated to 200°C under 1.6MPa, and the hydrothermal reaction is carried out for 28 hours. After the hydrothermal reaction is completed, filter and separate to obtain the filter residue, namely It is a functional adsorption material, and it is ready for use; mix the tea seed and spirulina according to an equal mass ratio, grind and pulverize it with a tissue grinder to obtain a pulverized product, mix the pulverized product and water at a mass ratio of 1:5, and put it into a beake...

example 2

[0025]Measure the orthosilicic acid solution with a mass fraction of 60%, heat the orthosilicic acid solution to 103°C, continue to stir and react for 1 hour to obtain a suspension, and mix the suspension, mass fraction 10% sodium hydroxide solution and potassium metaaluminate solution with a mass fraction of 25% were mixed to obtain a precursor solution; The concentration of nickel and 5% of the precursor solution is 0.5mol / L tartaric acid solution, and the high-pressure hydrothermal kettle is closed, heated to 205°C under 1.6MPa, and the hydrothermal reaction is carried out for 29 hours. After the hydrothermal reaction is completed, filter and separate to obtain the filter residue, namely It is a functional adsorption material, and it is ready for use; mix the tea seed and spirulina according to an equal mass ratio, grind and pulverize it with a tissue grinder to obtain a pulverized product, mix the pulverized product and water at a mass ratio of 1:5, and put it into a beaker...

example 3

[0027] Measure the orthosilicic acid solution with a mass fraction of 60%, heat the orthosilicic acid solution to 105°C, continue to stir and react for 2 hours to obtain a suspension, and mix the suspension, mass fraction 10% sodium hydroxide solution and potassium metaaluminate solution with a mass fraction of 25% were mixed to obtain a precursor solution; The concentration of nickel and 5% of the mass of the precursor solution is 0.5mol / L tartaric acid solution, and the high-pressure hydrothermal kettle is closed, heated to 210°C under 1.7MPa, and the hydrothermal reaction is carried out for 30 hours. After the hydrothermal reaction is completed, the filter residue is obtained by filtration, that is It is a functional adsorption material, and it is ready for use; mix the tea seed and spirulina according to an equal mass ratio, grind and pulverize it with a tissue grinder to obtain a pulverized product, mix the pulverized product and water at a mass ratio of 1:5, and put it in...

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Abstract

The invention relates to a preparation method of an efficient fruit and vegetable pesticide cleaning agent and belongs to the technical field of preparation of cleaning agents. The preparation methodcomprises the following steps: firstly taking orthosilicic acid as a silicon source, and then, adding alkali and lithium metaaluminate as an aluminum source; synthesizing a silicon-aluminum molecularsieve carrier by utilizing a hydrothermal method, taking nickel boride as a catalyst, and enabling metal ions in the silicon-aluminum molecular sieve to leave original crystal lattices through the chelating property of tartaric acid and then enter an organic phase of the tartaric acid so as to generate holes in the original crystal lattices of the silicon-aluminum molecular sieve to improve the adsorption activity of the molecular sieve; taking tea seeds rich in tea saponins and spirulina rich in polysaccharides as raw materials, performing water extraction and alcohol precipitation to enablethe tea saponins and the spirulina polysaccharides to be separated out and adsorbed and fixed by a high-adsorbability molecular sieve, and then, performing reaction with a cerium nitrate solution to obtain reaction filter residue; then, pulverizing oyster shells, performing calcination, performing reaction with water, and performing filtration to obtain an alkaline calcium ion solution; and finally, blending and concentrating a calcium ion solution and the reaction filter residue to obtain the fruit and vegetable pesticide cleaning agent.

Description

technical field [0001] The invention relates to a preparation method of a high-efficiency vegetable and pesticide cleaning agent, belonging to the technical field of cleaning agent preparation. Background technique [0002] Due to the extensive use of pesticides, the problem of excessive pesticide residues in fruits and vegetables in my country is becoming more and more serious. During the planting process of some fruits and vegetables on the market, due to the use of too many pesticides, or the interval between picking time and application time is too close, a large amount of pesticides and their metabolites, degradation products, and toxic impurities remain on their surfaces. Substances remain, and some even invade the inside of fruits and vegetables, which are not easy to be washed off by water. If the human body eats these fruits and vegetables polluted by pesticides for a long time, harmful substances will accumulate in the body, which will pose a potential threat to h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/66C11D3/04C11D3/12C11D3/20C11D3/22C11D3/60C11D11/04
CPCC11D1/662C11D3/046C11D3/128C11D3/2086C11D3/222C11D11/04
Inventor 董晓林茂兰
Owner 董晓
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