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Colloidal suspension agent for nitrogen fertilizer synergism and application thereof

A nitrogen fertilizer synergistic, colloidal suspension technology, applied in the application, fertilization device, fertilizer mixture and other directions, can solve the problems of limited use of water-soluble fertilizer, limited solubility, unsatisfactory effect, etc., and achieves environmental protection, waste reduction, adhesion good effect

Active Publication Date: 2012-07-18
SHANDONG HUIMENG BIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to obtain a stable water-soluble fertilizer, 2-chloro-6-trichloromethylpyridine can be added during the dissolution of solid water-soluble fertilizer or during the processing or dissolution of liquid water-soluble fertilizer, but due to the The solubility of pyridine in water is limited, so that its use in water-soluble fertilizers is limited, and the effect is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Put 100 kg of 2-chloro-6-trichloromethylpyridine into the stirring tank, add 2 kg of N,N-dimethylformamide, then add 20 kg of emulsifier 0613-X, heat up to 40°C, and stir for 1 After 1 hour, add 1 kg of calcium lignosulfonate, 20 kg of white carbon black, 1 kg of xanthan gum, add 100 kg of water, stir and grind for 3 hours, and the material is allowed to stand for 0.5 hour without delamination, and the product is packaged qualified.

Embodiment 2

[0019] Put 100 kg of 2-chloro-6-trichloromethylpyridine into the stirring tank, add 10 kg of N,N-dimethylformamide, then add 100 kg of emulsifier 0613-X, heat up to 40°C, and stir for 1 After 1 hour, add 5 kilograms of calcium lignosulfonate, 100 kilograms of white carbon black, 5 kilograms of xanthan gum, add 500 kilograms of water, stir and grind for 3 hours, and the material is left standing for 0.5 hour without delamination, and the product is packaged qualified.

Embodiment 3

[0021] Put 100 kg of 2-chloro-6-trichloromethylpyridine into the stirring tank, add 5 kg of N,N-dimethylformamide, then add 50 kg of emulsifier 0613-X, heat up to 40°C, and stir for 1 After 1 hour, add 3 kilograms of calcium lignosulfonate, 50 kilograms of white carbon black, 2 kilograms of xanthan gum, add 290 kilograms of water, stir and grind for 3 hours, and the material stands still for 0.5 hour without delamination, and the product is packaged qualified.

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PUM

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Abstract

The invention discloses a colloidal suspension agent for nitrogen fertilizer synergism, which is prepared from 2-chlorine-6-nitrapyrin, an emulsifier, calcium lignosulphonate, white carbon black, xanthan gum, N,N-dimethylformamide and water in a certain proportion. The nitrogen fertilizer can be sprayed to the particle surface after being screened by using the colloidal suspension agent along with good attachment effect, so that addition of the colloidal suspension agent before nitrogen fertilizer granulation is avoided, so that waste is reduced, and production cost is reduced; and the defect that 2-chloride-6-trichloromethylpyridine is slightly soluble is overcome, so that the colloidal suspension agent can be applied to nitrogen-containing water-soluble fertilizer.

Description

technical field [0001] The invention relates to a composition, in particular to a colloidal suspension for nitrogen fertilizer synergism and its application in the manufacture of stable fertilizers. Background technique [0002] In 2010, my country's chemical fertilizer consumption was more than 100 million tons, ranking first in the world, but the utilization rate of chemical fertilizers in that year was only 30%-35%, of which nitrogen fertilizer utilization rate was 30%-35%, phosphorus fertilizer was 10%-20%, potash fertilizer 40%-50%, far below the level of developed countries (50%-60%). In 2011, the economic value of nitrogen fertilizer loss in my country was 60 billion to 80 billion. The negative effects of lost nitrogen fertilizer on groundwater, surface water and atmospheric environment are becoming more and more serious. Due to the rapid transformation of nitrogen in the soil, phosphorus and potassium are quickly fixed by the soil, and the crops cannot absorb it for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 肖才根
Owner SHANDONG HUIMENG BIO TECH CO LTD
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