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Saline-alkali soil improver prepared from ardealite and cane trash, as well as preparation method and application of saline-alkali soil improver

A technology of bagasse and phosphogypsum, applied in application, fertilizer mixture, fertilization device, etc., can solve the problems of high cost and low soil pH adjustment ability, and achieve the effect of increasing adsorption capacity, enhancing effect, and preventing crusting

Inactive Publication Date: 2015-11-25
GUIZHOU KAILIN GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of the improvement medium is relatively high, and its ability to regulate soil pH is low.

Method used

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  • Saline-alkali soil improver prepared from ardealite and cane trash, as well as preparation method and application of saline-alkali soil improver
  • Saline-alkali soil improver prepared from ardealite and cane trash, as well as preparation method and application of saline-alkali soil improver
  • Saline-alkali soil improver prepared from ardealite and cane trash, as well as preparation method and application of saline-alkali soil improver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] raw material:

[0036] Phosphogypsum 200kg, oil dry 80kg, polysilicate iron sulfate 10kg, cellulase 2kg, fungus chaff 20kg, bagasse 80kg, diatomite 20kg, nitric acid 10kg, EM bacteria 0.1kg, polyaluminum iron silicate 10kg and ethanol 20kg .

[0037] Preparation:

[0038] (1) Phosphogypsum and diatomite pretreatment: drying the phosphogypsum and diatomite to a moisture content of 5% respectively, and then pulverizing them into 60-mesh fine powder to obtain phosphogypsum powder and diatomite powder;

[0039] (2) Bagasse pretreatment: put the bagasse into the autoclave, and add ethanol and water with a concentration of 20%. After 60 minutes, filter the filter residue, mix the filter residue with 10% nitric acid, add water to adjust the pH value to 5.5, add cellulase for enzymolysis, the temperature of the enzymolysis is controlled at 55°C, and the enzymolysis time is 8 hours , drying the material obtained by enzymatic hydrolysis to a moisture content of 5% at a tempera...

Embodiment 2

[0044] raw material:

[0045] Phosphogypsum 280kg, oil dry 120kg, polysilicate ferric sulfate 20kg, cellulase 2.5kg, fungus chaff 40kg, bagasse 100kg, diatomite 30kg, nitric acid 20kg, EM bacteria 0.12kg, polyaluminum iron silicate 20kg and ethanol 30kg.

[0046] Preparation:

[0047] (1) Phosphogypsum and diatomite pretreatment: drying the phosphogypsum and diatomite to a moisture content of 10% respectively, and then pulverizing them into 200-mesh fine powder to obtain phosphogypsum powder and diatomite powder;

[0048] (2) Bagasse pretreatment: send the bagasse into the autoclave, and add ethanol and water with a concentration of 40%. After 80 minutes, filter the filter residue, mix the filter residue with 30% nitric acid, add water to adjust the pH value to 5, add cellulase for enzymolysis, the temperature of the enzymolysis is controlled at 60°C, and the enzymolysis time is 10 hours , drying the material obtained by enzymatic hydrolysis to a moisture content of 7% at a...

Embodiment 3

[0053] raw material:

[0054] Phosphogypsum 240kg, oil dry 100kg, polysilicate ferric sulfate 15kg, cellulase 2.2kg, fungus chaff 30kg, bagasse 90kg, diatomite 15kg, nitric acid 15kg, EM bacteria 0.11kg, polyaluminum iron silicate 15kg and ethanol 25kg.

[0055] Preparation:

[0056] (1) Phosphogypsum and diatomite pretreatment: drying the phosphogypsum and diatomite to a moisture content of 8% respectively, and then pulverizing them into 80-mesh fine powder to obtain phosphogypsum powder and diatomite powder;

[0057] (2) Bagasse pretreatment: put the bagasse into the autoclave, and add ethanol and water with a concentration of 30%. After 70 minutes, filter the filter residue, mix the filter residue with 20% nitric acid, add water to adjust the pH value to 5.2, add cellulase for enzymolysis, the temperature of the enzymolysis is controlled at 57°C, and the enzymolysis time is 9h , drying the material obtained by enzymatic hydrolysis to a moisture content of 6% at a tempera...

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Abstract

The invention discloses a saline-alkali soil improver prepared from ardealite and cane trash, as well as a preparation method and application of the saline-alkali soil improver. The improver is prepared from ardealite, oil cakes, polymeric ferric silicate sulfate, cellulase, mushroom bran, cane trash, diatomaceous earth, nitric acid, EM (Effective Microorganism) bacteria, polysilicate aluminum iron and ethanol. According to the improver, as well as the preparation method and the application of the improver, cellulase is added for enzymolysis after high-pressure sterilization and nitric acid treatment of the cane trash, so that time for decomposing the cane trash by microorganisms can be prolonged to 1 to 2 years, the pH value of the cane trash is reduced to further reduce the pH value of saline-alkali soil after the cane trash is applied to the saline-alkali soil, and moreover, the adsorption capability of the cane trash in sodium colloids can be remarkably improved.

Description

technical field [0001] The invention relates to the technical field of saline-alkali land improvement, in particular to a saline-alkali land improvement medium prepared by using phosphogypsum and bagasse, and a preparation method and application thereof. Background technique [0002] Saline-alkali land is the general term for salt land and alkaline land. Saline soil mainly refers to salinized soil with high chloride or sulfate content. The soil is alkaline, but the pH value is not necessarily high. Alkaline soil refers to the soil containing carbonate or heavy phosphate, the pH value is high, and the soil is alkaline. The content of organic matter in saline-alkali land is low, the soil fertility is low, the physical and chemical properties are poor, and there are many anions and cations harmful to crops, so it is difficult for crops to promote seedlings. The area of ​​saline-alkali land in the world is 954.38 million hectares, of which 99.13 million hectares are in my coun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
Inventor 张博蒋俊蕊罗旭贺虎游正勇石天禄王永平
Owner GUIZHOU KAILIN GRP CO LTD
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