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Graphene selenium-rich fertilizer and preparation method thereof

A graphene and graphene dispersant technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems that the products cannot achieve a good selenium-enriching effect, the fixed area of ​​crops is small, and the amount of application is large, and it can improve itself. Properties, increase the fixed area, the effect of large specific surface area

Inactive Publication Date: 2016-12-14
湖南元素密码石墨烯高科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing selenium-enriched fertilizers are applied in a large amount per unit volume, and the fixation area between them and crops is small, which cannot make the product achieve a good selenium-enriched effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A preparation method of graphene selenium-enriched fertilizer, comprising the following steps:

[0033] (1) Prepare 100kg of protein raw materials bought in the market;

[0034] (2) Mix 95kg of protein raw material, 1kg of selenium mineral powder and 0.5kg of graphene oxide and add them to the nano-pulverization and emulsification system. At the same time, add 0.95kg of proteolytic enzyme and 100kg of water to crush and enzymolyze the protein raw material; control the temperature 55°C, enzymatic hydrolysis reaction solution pH=7, host speed 10000r / min, crush and enzymolyze protein raw materials for 2 hours;

[0035] (3) The material obtained in step (2) is subjected to high-pressure crushing under a pressure of 100Mpa and crushed to 90-100nm;

[0036] (4) Ultrasonic pulverize the material obtained in step (3) for 30 minutes at an ultrasonic frequency of 20KHz, and finally pulverize to 45-50nm;

[0037] (5) Send the material obtained in step (4) into the nano crushing ...

Embodiment 2

[0040] A preparation method of graphene selenium-enriched fertilizer, comprising the following steps:

[0041] (1) Wash the animal hoof shell raw materials, remove impurities, and dry them for later use;

[0042] (2) Mix 150kg of animal hoof shell raw materials, 7.5kg of selenium ore powder, 1kg of carrageenan, 400kg of water and 1.5kg of graphene oxide and add them to the nano-pulverization and emulsification system. Crushing and enzymatic hydrolysis; control the temperature at 45°C, enzymatic hydrolysis reaction solution pH = 6, host speed 11000r / min, and pulverize and enzymatically hydrolyze protein raw materials for 1.5 hours;

[0043] (3) The material obtained in step (2) is subjected to high-pressure crushing under a pressure of 130Mpa and crushed to 80-90nm;

[0044] (4) Ultrasonic pulverize the material obtained in step (3) for 20 minutes at an ultrasonic frequency of 20KHz, and finally pulverize to 40-45nm;

[0045] (5) Send the material obtained in step (4) into th...

Embodiment 3

[0048] A preparation method of graphene selenium-enriched fertilizer, comprising the following steps:

[0049] (1) Wash the shrimp waste raw materials, remove impurities, and dry them for later use;

[0050](2) Mix 200kg of shrimp waste raw materials, 3kg of selenium ore powder, 3kg of alginate, 450kg of water and 2kg of graphene oxide and add them to the nano-pulverization and emulsification system. At the same time, add 1kg of animal proteolytic enzymes and 300kg of water. The raw material is crushed and enzymolyzed; the temperature is controlled at 60°C, the pH of the enzymolysis reaction solution is 8, the speed of the main machine is 11500r / min, and the protein raw material is crushed and enzymolyzed for 1.3 hours;

[0051] (3) The material obtained in step (2) is subjected to high pressure crushing under a pressure of 150Mpa and crushed to 70~80nm;

[0052] (4) Ultrasonic pulverize the material obtained in step (3) for 15 minutes at an ultrasonic frequency of 20KHz, and...

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Abstract

A graphene selenium-rich fertilizer and a preparation method thereof are disclosed. The preparation method of the graphene selenium-rich fertilizer comprises the following steps: (1) directly allowing a protein raw material for later use or performing impurity removal and drying for later use; (2) mixing the protein raw material, selenium mineral powder and graphene oxide, adding the obtained mixture to a nanometer pulverization emulsification system, and adding animal protein hydrolase at the same time for pulverizing and enzyme-hydrolyzing the protein raw material; (3) pulverizing the product obtained from step (2); (4) performing ultrasonic pulverization to the product obtained from step (3); and (5) sending the product obtained from the step (4) to the nanometer pulverization emulsification system, and adding a graphene dispersant to obtain the graphene selenium-rich foliar fertilizer. The invention further comprises a graphene selenium-rich fertilizer. A prospective effect can be achieved through using a little graphene selenium-rich fertilizer. The fixation area between the fertilizer and crops is increased, and a selenium-rich effect of the product is achieved.

Description

technical field [0001] The invention relates to the technical field of fertilizer preparation, in particular to a graphene selenium-enriched fertilizer and a preparation method thereof. Background technique [0002] Selenium is one of the essential trace elements for the human body. my country is a country with a large area of ​​selenium deficiency, and about 100 million people in 15 provinces and municipalities are in the selenium deficiency zone. Selenium-deficient adults supplemented with more than 50 micrograms of selenium per day can improve the body's immunity, especially in cancer prevention and suppression. Selenium is a rare element in nature. We mainly supplement the selenium we need through food and drinking water, which require high selenium content in food and drinking water. Therefore, selenium-rich food has become our health food. The use of selenium-rich fertilizers for crops will also increase the selenium content of their products. [0003] Graphene is a...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 谭彬龙笃湘
Owner 湖南元素密码石墨烯高科技有限公司
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