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Method for preparing organic titanium-containing ammonium borate fertilizer with recrystallization technology

A technology of ammonium borate and organic titanium, which is applied in the direction of application, fertilization equipment, fertilizer mixture, etc., and can solve the problems of miscellaneous belts and so on

Inactive Publication Date: 2013-12-11
FUJIAN CHAODA GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0018] Above patent document discloses directly the chloride of water-soluble titanium, or the sulfate salt of titanium as the raw material of synthetic organic titanium citric acid chelate compound, the weak point of its existence is that in the synthetic organic titanium citric acid chelate compound Miscellaneous with a large number of chloride ions or sulfide ions
[0023] There is no report on the preparation of organic titanium-containing ammonium borate fertilizer by recrystallization by dissolving organic titanium chelate in ammonium borate salt crystallization water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] (1) Preparation of metatitanic acid:

[0052]a. Add 1000ml of ice water at 0°C~5°C to a 1500ml beaker, and add 10ml of hydrochloric acid and 20ml of titanium tetrachloride dropwise under the stirring of an electric stirrer to generate a titanium tetrachloride hydrochloric acid solution. The sodium hydroxide solution neutralizes the titanium tetrachloride hydrochloric acid solution, the temperature of the solution is controlled at ≤5°C, and the pH value is 7.0~8.0, so that metatitanic acid is precipitated in cold water at ≤5°C;

[0053] b. The newly precipitated metatitanic acid is washed with distilled water to remove chloride ions,

[0054] c. After the metatitanic acid that has been washed to remove chloride ions is removed by a centrifuge to remove part of the adsorbed water, it can be used for acid-soluble chelation.

[0055] (2) Preparation of titanium citrate chelate:

[0056] a. Preparation of citric acid-metatitanic acid suspension mixture:

[0057] The titan...

Embodiment 2

[0071] (1) Preparation of metatitanic acid:

[0072] a. Add 1000ml of ice water at 0°C~5°C to a 1500ml beaker, and add 10ml of hydrochloric acid and 20ml of titanium tetrachloride dropwise under the stirring of an electric stirrer to generate a titanium tetrachloride hydrochloric acid solution. The sodium hydroxide solution neutralizes the titanium tetrachloride hydrochloric acid solution, the temperature of the solution is controlled at ≤5°C, and the pH value is 7.0~8.0, so that metatitanic acid is precipitated in cold water at ≤5°C;

[0073] b. The newly precipitated metatitanic acid is washed with distilled water to remove chloride ions,

[0074] c. After the metatitanic acid that has been washed to remove chloride ions is removed by a centrifuge to remove part of the adsorbed water, it can be used for acid-soluble chelation.

[0075] (2) Preparation of titanium citrate chelate:

[0076] a. Preparation of citric acid-metatitanic acid suspension mixture:

[0077] The ti...

Embodiment 3

[0091] (1) Preparation of metatitanic acid:

[0092] a. Add 1000ml of ice water at 0°C~5°C to a 1500ml beaker, and add 10ml of hydrochloric acid and 20ml of titanium tetrachloride dropwise under the stirring of an electric stirrer to generate a titanium tetrachloride hydrochloric acid solution. The sodium hydroxide solution neutralizes the titanium tetrachloride hydrochloric acid solution, the temperature of the solution is controlled at ≤5°C, and the pH value is 7.0~8.0, so that metatitanic acid is precipitated in cold water at ≤5°C;

[0093] b. The newly precipitated metatitanic acid is washed with distilled water to remove chloride ions,

[0094] c. After the metatitanic acid that has been washed to remove chloride ions is removed by a centrifuge to remove part of the adsorbed water, it can be used for acid-soluble chelation.

[0095] (2) Preparation of titanium citrate chelate:

[0096] a. Preparation of citric acid-metatitanic acid suspension mixture:

[0097] The ti...

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Abstract

The invention relates to a method for preparing an organic titanium-containing ammonium borate fertilizer with a recrystallization technology. The method is characterized by: using alkali to neutralize the ice water solution of a titanium salt so as to prepare a new precipitate metatitanic acid; using the new precipitate metatitanic acid to substitute a chloride of titanium and a sulfate to serve as the raw material for synthesizing titanium citrate; taking the new precipitate metatitanic acid as a titanium source, and citric acid as a solvent and a chelating agent, employing a micro wave hot melting and chelating process to synthesize a saturated titanium citrate solution; conducting neutralization and salting-out on the saturated titanium citrate solution with powdered ammonium carbonate for preparing a composite salt of organic titanium-organic ammonium, mixing the powder of the organic titanium-organic ammonium composite salt with crystal water-containing ammonium tetraborate and carrying out eutectic melting so as to manufacturing the titanium-containing ammonium borate fertilizer. Due to the characteristic of titanium element to powerfully promote the absorption and running of nitrogen, phosphorus, potassium as well as other secondary elements and trace elements in plants, water soluble titanium citrate with superior stability obtained from micro wave hot melting and sufficient chelating can be used as a synergist for promoting ammonium borate fertilizer absorption and a crop growth accelerator.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and in particular relates to a method for manufacturing organic titanium-containing ammonium borate fertilizer composed of organic titanium and ammonium borate salt. Background technique [0002] Boron is one of the seven micronutrient elements necessary for plant growth and development. It plays an irreplaceable physiological role in the process of plant growth and development, and participates in many important physiological activities of plants. [0003] Boron deficiency in the soil of cultivated land, orchards, and woodlands in China is relatively common. According to the statistics of the second national soil census from 1982 to 1986, the area of ​​boron-deficient cultivated land in the country is more than 500 million mu. The proportion of boron deficiency in cultivated land in Guizhou, Sichuan, Hubei, Hunan, Anhui, Jiangsu, Jiangxi, Yunnan, Henan, Shaanxi, Guangdong, Fujian, Guangxi, J...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00
Inventor 徐福乐翁莹冰张美娟林秀翁仁发
Owner FUJIAN CHAODA GROUP
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