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Agricultural ammonium polyphosphate capable of being chelated with medium trace elements and preparation method of agricultural ammonium polyphosphate

A technology of medium and trace elements and ammonium polyphosphate, which is applied in the field of preparation of agricultural ammonium polyphosphate, can solve the problems of low chelation ability and inability to chelate, and achieve the effect of improved chelation ability and moderate acidity and alkalinity

Active Publication Date: 2015-04-22
SINOCHEM YUNLONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the existing problems, the purpose of the present invention is to provide a kind of agricultural ammonium polyphosphate possessing medium and trace element chelating ability. Elements, low chelating ability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The formula of chelated ammonium polyphosphate is implemented as follows:

[0024] Agricultural ammonium polyphosphate 10000 parts N / P 2 o 5 The mass fraction ratio is 10:34

[0025] Trace element additives: 200 parts, including 50 parts of copper sulfate and 100 parts of iron hydroxide

[0026] Sulfur-containing agent: 1 part, wherein the mass ratio of copper sulfate: sodium thiosulfate = 1:0.1

[0027] Precipitation inhibitor zinc sulfate: 1 part

[0028] Emulsifier sodium dodecylbenzenesulfonate: 1 part

[0029] Acid-base regulator sodium carbonate: 1 part

[0030] Oxidant hydrogen peroxide: 1 part

[0031] Amino acid nutrient glycine: 1 part

[0032] Add trace element additives and emulsifiers to agricultural ammonium polyphosphate (liquid), then fully stir to disperse evenly, then add acid-base regulators to adjust the pH to 6.1, then add sulfur-containing agents and precipitation inhibitors, and stir evenly. Finally, add the oxidizing agent and stir to obt...

Embodiment 2

[0034] The formula of chelated ammonium polyphosphate is implemented as follows:

[0035] Agricultural ammonium polyphosphate 10000 parts N / P 2 o 5 The mass fraction ratio is 11:37

[0036] Metal additives: 500 parts including 100 parts of copper carbonate, 100 parts of zinc sulfate, 100 parts of ferric hydroxide, and 200 parts of manganese chloride

[0037] Sulfur-containing agent: 20 parts, wherein sodium sulfate: ammonium thiosulfate (mass ratio) = 1:0.3

[0038] Precipitation inhibitor polyacrylamide: 10 parts

[0039] Emulsifier sodium dodecylbenzenesulfonate and sodium lignosulfonate: 10 parts

[0040] Acid-base regulator quicklime: 5 parts

[0041] Oxidant hydrogen peroxide: 3 parts

[0042] Amino acid nutrients glycine and methionine: 3 servings

[0043] Add trace element additives and emulsifiers to ammonium polyphosphate (liquid), then fully stir to disperse evenly, then add acid-base regulators to adjust the pH to 6.1, then add sulfur-containing agents and pr...

Embodiment 3

[0045] The formula of chelated ammonium polyphosphate is implemented as follows:

[0046] Agricultural ammonium polyphosphate 10000 parts N / P 2 o 5 The mass fraction ratio is 12:40

[0047] Metal additives: 1000 parts, including 250 parts each of copper carbonate, zinc chloride, iron oxalate and manganese hydroxide

[0048] Sulfur-containing agent: 100 parts, wherein potassium sulfate: ammonium thiosulfate (mass ratio) = 1:2

[0049] Precipitation inhibitor polyacrylamide: 20 parts

[0050] Emulsifier sodium dodecylbenzenesulfonate, sodium dodecylsulfate and Tween: 30 parts of sodium dodecylbenzenesulfonate, sodium dodecylsulfate and Tween can be freely mixed

[0051] Acid-base regulator quicklime: 10 parts

[0052] Oxidant hydrogen peroxide: 3 parts

[0053] Amino Acid Nutrients Glycine, Tryptophan, Alanine: 3 parts Glycine, Tryptophan, Alanine can be mixed freely

[0054] Add trace element additives and emulsifiers to ammonium polyphosphate (liquid), then fully stir t...

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Abstract

The invention discloses agricultural ammonium polyphosphate capable of being chelated with medium trace elements. The agricultural ammonium polyphosphate is characterized by comprising the following components in parts by weight: 10000 parts of agricultural ammonium polyphosphate, 200-2000 parts of a trace element additive, 1-100 parts of a sulfur-containing agent, 1-50 parts of a precipitation inhibitor, 1-50 parts of an emulsifying agent, 1-20 parts of an acid and alkali regulating agent, 1-5 parts of an oxidant and 1-5 parts of an amino acid type nutrient. A water-soluble agricultural ammonium polyphosphate fertilizer is compounded so that ammonium polyphosphate and the additive which are originally incapable of being chelated with metal ions or are low in chelation quantity have the chelating capability; the prepared chelated type ammonium polyphosphate is moderate in acid-base property; the solution is stable and free of precipitates within three months; the suitable application temperature range is from -15 DEG C to 40 DEG C; the agricultural ammonium polyphosphate is convenient to popularize and use nationwide.

Description

technical field [0001] The invention relates to an agricultural ammonium polyphosphate with medium and trace element chelating ability, and also relates to a preparation method of the agricultural ammonium polyphosphate. Background technique [0002] Phosphorus is one of the three major nutrients of crops. Reasonable application of phosphorus fertilizer can increase the yield of fruit crops, increase the sugar content of sugar crops, and increase the oil content of oil crops. Traditional phosphate fertilizers are mostly applied once as a base fertilizer, and the utilization rate is low; the nutrient content of the fertilizer is single, which cannot meet the nutritional needs of the crops during the growth period, and the additional medium and trace element fertilizers are prone to precipitation reactions with the existing phosphate fertilizers, making the medium and trace elements inactive. It cannot satisfy the growth of crops with special preferences. [0003] In order to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
CPCC05B7/00C05G5/40C05C11/00C05D9/02
Inventor 阳杨盛勇郑开元周佩杨联田郑义文梅胜明程思彬
Owner SINOCHEM YUNLONG
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