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Preparation method of mineral source fulvic acid urea

A technology of fulvic acid and fulvic acid, which is applied in the direction of urea compound fertilizer, fertilizer mixture, organic fertilizer, etc., to achieve the effect of high quality and high performance, good slow release effect and improved utilization rate

Inactive Publication Date: 2016-11-23
YUNNAN SHANGCHENG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although humic acid urea has reached a relatively mature stage, how to increase its fertilizer value and utilization rate to a greater extent is still a technical difficulty that needs to be continuously explored.

Method used

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  • Preparation method of mineral source fulvic acid urea
  • Preparation method of mineral source fulvic acid urea
  • Preparation method of mineral source fulvic acid urea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Mineral source fulvic acid urea described in the present embodiment is prepared according to the following steps:

[0024] (1) Dry the young coal to a moisture content of 20%, crush it and pass it through an 80-mesh sieve to obtain young coal powder for later use;

[0025] (2) Pulverize the rice flour and pass through an 80-mesh sieve to obtain rice flour, which is set aside;

[0026] (3) Mix the rice wheat stone powder and the young coal powder according to the weight ratio of 1:2000 to obtain the mixed powder and set aside;

[0027] (4) Pre-mix the three according to the mass ratio of potassium hydroxide solution: peracetic acid solution: hydrogen peroxide solution = 1: 5: 100 to obtain an oxidizing solution for later use, wherein the mass fraction of potassium hydroxide solution is 20 %, the mass percent concentration of peracetic acid in the peracetic acid solution is 20%, and the mass percent concentration of hydrogen peroxide in the hydrogen peroxide solution is ...

Embodiment 2

[0035] Mineral source fulvic acid urea described in the present embodiment is prepared according to the following steps:

[0036] (1) Dry the young coal to a moisture content of 18%, crush it and pass it through a 90-mesh sieve to obtain young coal powder for later use;

[0037] (2) Pulverize the rice flour and pass through a 90-mesh sieve to obtain rice flour and set aside;

[0038](3) Mix the rice wheat stone powder and the young coal powder according to the weight ratio of 1:1000 to obtain the mixed powder for later use;

[0039] (4) Pre-mix the three according to the mass ratio of potassium hydroxide solution: peracetic acid solution: hydrogen peroxide solution = 1:3:80 to obtain an oxidizing solution for later use, wherein the mass fraction of potassium hydroxide solution is 10 %, the mass percent concentration of peracetic acid in the peracetic acid solution is 15%, and the mass percent concentration of hydrogen peroxide in the hydrogen peroxide solution is 25%;

[004...

Embodiment 3

[0047] Mineral source fulvic acid urea described in the present embodiment is prepared according to the following steps:

[0048] (1) Dry the young coal to a moisture content of 15%, crush it and pass it through a 100-mesh sieve to obtain young coal powder for later use;

[0049] (2) Pulverize the rice flour and pass through a 100-mesh sieve to obtain rice flour and set aside;

[0050] (3) Mix the rice wheat stone powder and the young coal powder according to the weight ratio of 1:500 to obtain the mixed powder and set aside;

[0051] (4) According to the mass ratio of potassium hydroxide solution: peracetic acid solution: hydrogen peroxide solution = 1:1:50, the three are pre-mixed to obtain the oxidized solution, and the potassium hydroxide solution is 5% by mass. %, the mass percent concentration of peracetic acid in the peracetic acid solution is 10%, and the mass percent concentration of hydrogen peroxide in the hydrogen peroxide solution is 35%;

[0052] (5) According ...

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Abstract

The invention discloses a preparation method of mineral source fulvic acid urea, and belongs to the technical field of fertilizer. The novel urea is scientifically prepared from degradation liquid of coal with low grade incoalation, mineral source potassium fulvic acid and urea and has a certain slow release action, and the use ratio of the urea can be effectively improved. Meanwhile, compared with common urea and commercially available fulvic acid urea, the novel urea has an obvious production increasing effect under the condition of equal weight and an equal quantity of nitrogen. In addition, the preparation method has the advantages of abundant raw materials, easiness in realizing industrialization and wide application prospect.

Description

technical field [0001] The invention relates to a preparation method of mineral source fulvic acid urea, which belongs to the technical field of fertilizers. Background technique [0002] At present, with the clarion call of the Ministry of Agriculture's "Action Plan for Zero Growth in Fertilizer Use", how to achieve this ambitious goal has sparked extensive discussions in the industry. Some experts pointed out that the key to solving this problem is to increase the utilization rate of chemical fertilizers, the utilization rate of organic fertilizer resources, and the basic fertility of cultivated land. First of all, carrying out the zero-growth action of chemical fertilizer use is not simply to reduce chemical fertilizers, but to achieve equal emphasis on reduction and efficiency increase; therefore, firstly, by reducing unreasonable fertilization, the improvement of utilization efficiency should be realized; secondly, through organic and inorganic To achieve ecological an...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05G3/80
CPCC05C9/00C05G3/00C05G3/80C05G5/30C05F11/02
Inventor 袁承任万云李宝才陈超超张惠芬李典曾天柱罗波普鑫江
Owner YUNNAN SHANGCHENG BIOTECH
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