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Nanometer selenium fertilizer and method for preparing same

A technology of nano-selenium and selenium powder, which is applied in the direction of nitrogen fertilizer, potassium fertilizer, organic fertilizer, etc., can solve the problems of high energy consumption, difficult process control, large size of nano-selenium, etc., and achieve easy plant absorption, good water solubility, and simple equipment Effect

Inactive Publication Date: 2018-09-28
江西中科硒谷功能农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on the previous preparation methods of selenium, we found that they are all complicated, cumbersome and difficult to control, consume more energy, and the prepared nano-selenium has a large size and does not have water solubility and biocompatibility. Therefore, we are looking for a simple and easy method. Energy-efficient methods are more important

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: A nano-selenium fertilizer, comprising raw selenium powder, potassium sulfate, urea, glucose, vitamin C and sodium lauryl sulfate with a mass ratio of 20:30:20:10:40:10, respectively.

[0020] A preparation method of nano selenium fertilizer, comprising the following steps:

[0021] Step 1: taking the original selenium powder and 150 milliliters of nitric acid concentrate according to the above proportioning ratio, putting them into a container, heating and stirring to obtain a selenous acid solution, the heating temperature is 80°C, and the stirring time is 2 hours;

[0022] Step 2: Take by weighing 120 milliliters of the selenous acid solution obtained in step 1, then take 500 milliliters of soft water and the glucose of the above-mentioned ratio, after fully stirring, add the potassium sulfate and urea of ​​the above-mentioned ratio and stir to make it fully react to obtain nano-selenium The steps of fertilizer intermediates;

[0023] Step 3: Stir the nan...

Embodiment 2

[0025] Embodiment 2: A nano-selenium fertilizer, including raw selenium powder, potassium sulfate, urea, glucose, vitamin C and sodium lauryl sulfate with a mass ratio of 100:50:30:20:50:100, respectively.

[0026] A preparation method of nano selenium fertilizer, comprising the following steps:

[0027] Step 1: taking the original selenium powder and 150 milliliters of nitric acid concentrate according to the above-mentioned proportion, putting them into a container, heating and stirring to obtain a selenous acid solution, the heating temperature is 100° C., and the stirring time is 6 hours;

[0028] Step 2: Weigh 200 milliliters of the selenous acid solution obtained in step 1, then take 800 milliliters of soft water and the glucose of the above-mentioned ratio, after fully stirring, add the potassium sulfate and urea of ​​the above-mentioned ratio and stir to make it fully react to obtain nano-selenium The steps of fertilizer intermediates;

[0029] Step 3: Stir the nano-s...

Embodiment 3

[0031] Embodiment 3: A nano-selenium fertilizer, including raw selenium powder, potassium sulfate, urea, glucose, vitamin C and sodium lauryl sulfate with a mass ratio of 40:35:24:14:44:40 respectively.

[0032] A preparation method of nano selenium fertilizer, comprising the following steps:

[0033] Step 1: taking the original selenium powder and 150 milliliters of nitric acid concentrate according to the above-mentioned proportion, putting them into a container, heating and stirring to obtain a selenous acid solution, the heating temperature is 85° C., and the stirring time is 3 hours;

[0034] Step 2: Take by weighing 1600 milliliters of the selenous acid solution obtained in step 1, then take 600 milliliters of soft water and the glucose of the above-mentioned ratio, after fully stirring, add the potassium sulfate and urea of ​​the above-mentioned ratio and stir to make it fully react to obtain nano-selenium The steps of fertilizer intermediates;

[0035] Step 3: Stir th...

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PUM

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Abstract

The invention discloses a nanometer selenium fertilizer and a method for preparing the same. The method includes weighing raw selenium powder and 150 milliliters of nitric acid concentrated liquor, loading the raw selenium powder and the nitric acid concentrated liquor in a container and heating and stirring the raw selenium powder and the nitric acid concentrated liquor to obtain seleninic acid solution; acquiring 500-800 milliliters of soft water and glucose, sufficiently uniformly stirring the soft water and the glucose, adding potassium sulfate and urea with certain proportions into the soft water and the glucose, uniformly stirring the potassium sulfate and the urea and carrying out sufficient reaction to obtain nanometer selenium fertilizer intermediates; adding vitamin C with a certain proportion into the nanometer selenium fertilizer intermediates and stirring the vitamin C; continuously stirring the vitamin C and the nanometer selenium fertilizer intermediates, then adding sodium lauryl sulfate with a certain proportion into the vitamin C and the nanometer selenium fertilizer intermediates. The nanometer selenium fertilizer and the method have the advantages that requiredequipment is simple, and the nanometer selenium fertilizer can be prepared under the preparation normal-pressure conditions in short required time; wastewater discharge is prevented in procedures, themanufacturing procedures are quite and are free of noise and easy to control, raw materials for the nanometer selenium fertilizer are easy to purchase and are nontoxic and harmless, and the nanometerselenium fertilizer manufactured by the aid of the method is excellent in water solubility and plant solubility and can be easily absorbed by plants.

Description

technical field [0001] The invention relates to a nano selenium fertilizer and a preparation method thereof. Background technique [0002] Selenium is one of the beneficial trace elements necessary for the growth and development of the human body and animals. Selenium has the functions of anti-cancer, anti-aging, anti-aging, anti-oxidation and detoxification. Plants are the direct source of selenium for the human body, and selenium supplementation to plants can be achieved by applying selenium-rich fertilizers. Trace element selenium is one of the essential nutrients for humans and animals, and is also a beneficial element for plant growth and development. Its deficiency and excess will cause various diseases in the body. Studies have shown that selenium has obvious anti-cancer and anti-cancer effects, and can resist the harm of harmful substances such as arsenic, cadmium, mercury and aluminum to the human body. It is a natural detoxification substance in the human body, w...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05C9/00C05G3/00C05G5/23C05D1/02C05D9/02C05F11/00C05F11/10
Inventor 崔志远崔轶
Owner 江西中科硒谷功能农业发展有限公司