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Composite material for remedying cypermethrin pollution as well as preparation method and application of composite material

A composite material, cypermethrin technology, applied in botany equipment and methods, applications, soil conditioning materials, etc., can solve the problems of environmental secondary pollution, agricultural product residues, side effects, etc., and achieve easy operation, degradation of cypermethrin content, and easy control Effect

Inactive Publication Date: 2018-01-12
展亚男
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with its wide and large application, and because it is relatively stable in the environment and difficult to degrade under natural conditions, its residue problems in the environment and its agricultural products are becoming more and more serious.
The traditional method is incineration, burial, or 0.1molL / NaOH chemical treatment, but the side effects are large and often cause secondary pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In an embodiment of the present invention, a composite material for repairing cypermethrin pollution includes the following raw materials: 33 kg of lignin, 11 kg of chitosan oligosaccharide, 45 kg of citric acid residue, 18 kg of tea bran, 15 kg of levulinic acid, and phthaloyl tallow amine 1kg.

[0025] The citric acid slag is crushed, passed through a 100-mesh sieve, and then an ethanol solution 8 times its mass is added. The solvent of the ethanol solution is water, and the mass concentration of the ethanol solution is 65%. Then heat up to 62°C and heat and stir at this temperature with a stirring speed of 200r / min for 50min, then ultrasonically treat for 20min, the ultrasonic power is 900W, filter the filtrate, and concentrate to 10% of the original volume to obtain citric acid residue. things. Mix levulinic acid with 5 times its mass of water to prepare a levulinic acid solution; crush the lignin, pass through a 100-mesh sieve, mix and stir with the levulinic acid...

Embodiment 2

[0027] In an embodiment of the present invention, a composite material for repairing cypermethrin pollution includes the following raw materials: 41 kg of lignin, 19 kg of chitosan oligosaccharide, 55 kg of citric acid residue, 26 kg of tea bran, 25 kg of levulinic acid, and phthaloyl tallow amine 5kg.

[0028] The citric acid residue is pulverized, passed through a 150-mesh sieve, and then an ethanol solution 9 times its mass is added. The solvent of the ethanol solution is water, and the mass concentration of the ethanol solution is 75%. Then heat up to 65°C and heat and stir at this temperature with a stirring speed of 220r / min for 60min, then ultrasonically treat for 25min, the ultrasonic power is 900W, filter the filtrate, and concentrate to 15% of the original volume to obtain citric acid residue. thing. Mix levulinic acid with 6 times its mass of water to prepare a levulinic acid solution; crush the lignin, pass through a 150-mesh sieve, and then mix and stir with the ...

Embodiment 3

[0030] In an embodiment of the present invention, a composite material for repairing cypermethrin pollution includes the following raw materials: 35 kg of lignin, 13 kg of chitosan oligosaccharide, 48 kg of citric acid residue, 20 kg of tea bran, 18 kg of levulinic acid, and phthaloyl tallow amine 2kg.

[0031] The citric acid slag is crushed and passed through a 150-mesh sieve, and then an ethanol solution 8.5 times its mass is added. The solvent of the ethanol solution is water, and the mass concentration of the ethanol solution is 75%. Then heat up to 65°C and heat and stir at this temperature with a stirring speed of 220r / min for 60min, then ultrasonically treat for 25min, the ultrasonic power is 900W, filter the filtrate, and concentrate to 15% of the original volume to obtain citric acid residue. thing. Mix levulinic acid with 5.5 times its mass of water to obtain a levulinic acid solution; crush the lignin, pass through a 150-mesh sieve, then mix and stir with the levu...

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Abstract

The invention discloses a composite material for remedying cypermethrin pollution as well as a preparation method and application of the composite material. The composite material comprises the following raw materials in parts by weight: 33-41 parts of lignin, 11-19 parts of chitosan oligosaccharide, 45-55 parts of a citric acid residue, 18-26 parts of tea bran, 15-25 parts of acetylpropionic acidand 1-5 parts of phthaloyl tallowamine. The preparation method comprises the following steps: crushing the citric acid residue, adding an ethanol solution, heating while stirring, performing ultrasonic treatment, filtering and concentrating to obtain the treated citric acid residue; crushing the lignin, mixing with the acetylpropionic acid solution, and heating to obtain a mixture A; mixing chitosan oligosaccharide with the tea bran and the phthaloyl tallowamine, and grinding to obtain a mixture B; mixing the treated citric acid residue, the mixture A and the mixture B, and heating while stirring to obtain the composite material. The composite material for remedying the cypermethrin pollution increases the germination rate and the survival rate of plants and the ecological remediation rate of a slope, can effectively improve the slope, can significantly reduce the cypermethrin content of soil, and also can effectively improve the soil quality while degradation of pollutants is promoted.

Description

technical field [0001] The invention relates to the technical field of environmental protection materials, in particular to a composite material for repairing cypermethrin pollution, a preparation method and application thereof. Background technique [0002] The irrational development and utilization of human beings have caused the destruction of natural ecological environments such as forests and grasslands, thereby deteriorating the living conditions of humans, animals, and plants; the consequences of environmental damage often take a long time to recover, and some are even irreversible of. There will be a large number of exposed slopes in the construction of roads, hydropower development, and mining in mountainous areas, resulting in a large number of secondary bare land and serious water and soil erosion, causing great damage to the ecological environment. In addition, the problem of residues of highly toxic pesticides has received more and more attention. Among them, ...

Claims

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Application Information

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IPC IPC(8): C08L97/00C08L5/08C08K13/02C08K3/30C08K5/20C08K5/09C08K5/1545C09K17/14A01N65/28A01N43/16A01N61/00A01P21/00C09K101/00
Inventor 展亚男
Owner 展亚男