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Attapulgite-based fertilizer synergist having soil improvement effect

A fertilizer synergist and soil improvement technology, which is applied in the direction of fertilizer mixture, application, fertilization device, etc., can solve the problems of weak base of non-metallic mineral processing industry, low level of development and utilization, waste of resources, etc., to improve the quality and effect of agricultural products Good, yield-enhancing effect

Inactive Publication Date: 2016-02-03
任珺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although my country has a large resource reserve of attapulgite, due to its late discovery, its development and utilization level is low, and the foundation of the national non-metallic mineral processing industry is relatively weak, and the attapulgite products that can be produced are still relatively low compared with other countries. Quite few, so that the application of this economically significant mineral deposit is limited to general fillers, and even exported cheaply in the form of raw soil, resulting in a waste of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Rice experiment:

[0042] A. Raw ore crushing

[0043] Crushing the attapulgite ore, the crushing mesh is 30 mesh-60 mesh;

[0044] B. Acidification treatment

[0045] The concentrated sulfuric acid of mass fraction 98% is added in water and is mixed with the sulfuric acid solution of molar concentration 1mol / L, adds sulfuric acid solution in the attapulgite ore broken in step A, and acidification process makes attapulgite clay for 4 hours;

[0046] C. Drying and sieving

[0047] Airing the acidified attapulgite clay, drying to reduce the water content of the attapulgite clay to 15%, then crushing and sieving to obtain attapulgite powder, the mesh size of the attapulgite is 100-150 mesh;

[0048] D. Baking

[0049] Send the screened attapulgite powder into a roasting furnace for roasting, the roasting temperature is controlled at 300°C, and the roasting time is 45 minutes;

[0050] E. Soil improvement and fertilization

[0051] Dissolve 100kg of attapulgite powder...

Embodiment 2

[0056] Corn experiment:

[0057] A. Raw ore crushing

[0058]Crushing the attapulgite ore, the crushing mesh is 30 mesh-60 mesh;

[0059] B. Acidification treatment

[0060] The concentrated sulfuric acid of mass fraction 98% is added in water and is mixed with the sulfuric acid solution of molar concentration 2mol / L, adds sulfuric acid solution in the attapulgite ore broken in step A, and acidification process makes attapulgite clay for 4 hours;

[0061] C. Drying and sieving

[0062] Airing the acidified attapulgite clay, drying to reduce the water content of the attapulgite clay to 15%, then crushing and sieving to obtain attapulgite powder, the mesh size of the attapulgite is 100-150 mesh;

[0063] D. Baking

[0064] Send the screened attapulgite powder into the roasting furnace for roasting, the roasting temperature is controlled at 300°C, and the roasting time is 60 minutes;

[0065] E. Soil improvement and fertilization

[0066] Dissolve 200kg of attapulgite powde...

Embodiment 3

[0071] Grape test:

[0072] A. Raw ore crushing

[0073] Crushing the attapulgite ore, the crushing mesh is 30 mesh-60 mesh;

[0074] B. Acidification treatment

[0075] The concentrated sulfuric acid of mass fraction 98% is added in water and is mixed with the sulfuric acid solution of molar concentration 3mol / L, adds sulfuric acid solution in the attapulgite ore broken in step A, and acidification process makes attapulgite clay for 4 hours;

[0076] C. Drying and sieving

[0077] Airing the acidified attapulgite clay, drying to reduce the water content of the attapulgite clay to 15%, then crushing and sieving to obtain attapulgite powder, the mesh size of the attapulgite is 100-150 mesh;

[0078] D. Baking

[0079] Send the screened attapulgite powder into a roasting furnace for roasting, the roasting temperature is controlled at 360°C, and the roasting time is 120 minutes;

[0080] E. Soil improvement and fertilization

[0081] Dissolve 600kg of attapulgite powder in ...

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Abstract

The invention belongs to the technical field of a fertilizer, and more specifically relates to an attapulgite-based fertilizer synergist having soil improvement effect. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crop growth is cooperated, output is increased, and agricultural product quality is improved.

Description

technical field [0001] The invention belongs to the technical field of fertilizers, and in particular relates to an attapulgite-based fertilizer synergist with soil improvement function. Background technique [0002] With the rapid development of my country's modern intensive agriculture, long-term and unreasonable large-scale use of inorganic fertilizers has gradually destroyed the farmland soil structure, changed the physical and chemical properties of the soil, and caused soil compaction and degradation. As a result, the yield and quality of crops will decline, and exogenous pollutants will enter animals and humans through water, air and food chain cycles, thereby endangering the health of humans and animals, causing cancer or chronic diseases, etc. [0003] Attapulgite minerals are distributed almost all over the world. Many attapulgite ores have been found in Gansu, Jiangsu, Anhui and other places in my country, and Jiangsu Dingtai ranks first in output. It has been pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 任珺陶玲曹田张文杰杨欣
Owner 任珺
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