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Soil modifier prepared by using phosphogypsum and preparation method thereof

A technology of soil improver and phosphogypsum, which is applied in the agricultural field, can solve the problems of unsatisfactory effects of soil improver, achieve broad market application prospects, increase the effective number of viable soil bacteria, and improve the effect of soil aggregate structure

Inactive Publication Date: 2018-09-14
贵州永合益环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the purpose of the present invention is to provide a soil conditioner prepared from phosphogypsum and a preparation method thereof, so as to solve the technical problems existing in the unsatisfactory effect of the existing soil conditioner

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] raw material:

[0025] Phosphogypsum 30kg, Eupatorium adenophorum 20kg, coconut powder 3kg, rapeseed meal 12kg, humic acid 6kg, pig manure 8kg, lime water 60~80kg, compound amino acid solution 2kg, plant ash 5kg, zinc sulfate monohydrate 0.1kg, poly 2kg of acrylamide, 8kg of ammonium phosphate and 1kg of compound microbial agent.

[0026] Preparation:

[0027] (1) Calcining the phosphogypsum at 300°C for 2 hours, then aging the phosphogypsum for 4 days, then putting the phosphogypsum in lime water, raising the temperature of the lime water to 90°C, stirring and reacting for 20 minutes, filtering and removing the phosphorus The gypsum is dried, and the phosphogypsum is ground into a fine powder with a particle size of 100 mesh to obtain a phosphogypsum powder for use;

[0028] (2) Crush Eupatorium adenophorum into powders with a diameter of 1mm; then dry it at a temperature of 60°C until the moisture content is 4%, then put Eupatorium adenophorum into a carbonization f...

Embodiment 2

[0036] raw material:

[0037] Phosphogypsum 40kg, Eupatorium adenophorum 30kg, coconut powder 7kg, rapeseed meal 20kg, humic acid 10kg, pig manure 16kg, lime water 80kg, compound amino acid solution 3kg, plant ash 9kg, zinc sulfate monohydrate 0.5kg, polyacrylamide 4kg, ammonium phosphate 14kg and compound microbial agent 2kg.

[0038] Preparation:

[0039] (1) Calcining the phosphogypsum at 500°C for 3 hours, then aging the phosphogypsum for 5 days, then putting the phosphogypsum in lime water, raising the temperature of the lime water to 100°C, stirring and reacting for 30 minutes, filtering and removing the phosphorus The gypsum is dried, and the phosphogypsum is ground into a fine powder with a particle size of 200 mesh to obtain phosphogypsum powder for use;

[0040] (2) Crush Eupatorium adenophorum into powders with a diameter of 3mm; then dry it at a temperature of 100°C until the moisture content is 7%, then put Eupatorium adenophorum into a carbonization furnace, an...

Embodiment 3

[0048] raw material:

[0049] Phosphogypsum 34kg, Eupatorium adenophorum 23kg, coconut powder 5kg, lime water 70kg, rapeseed meal 17kg, humic acid 8kg, pig manure 11kg, compound amino acid solution 2.4kg, plant ash 7kg, zinc sulfate monohydrate 0.3kg, polypropylene Amide 3kg, ammonium phosphate 11kg and compound microbial agent 1.5kg.

[0050] Preparation:

[0051] (1) Calcining the phosphogypsum at 400°C for 2.5 hours, then aging the phosphogypsum for 5 days, then putting the phosphogypsum into lime water, raising the temperature of the lime water to 95°C, stirring and reacting for 25 minutes, filtering and Phosphogypsum is dried, and the phosphogypsum is ground into a fine powder with a particle size of 180 mesh to obtain phosphogypsum powder for use;

[0052] (2) Crush Eupatorium adenophorum into powders with a diameter of 2mm; then dry it at a temperature of 80°C until the moisture content is 5%, then put Eupatorium adenophorum into a carbonization furnace, and put the ...

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Abstract

The invention discloses a soil modifier prepared by using phosphogypsum and a preparation method thereof. The soil modifier is prepared from, 30-40 parts of the phosphogypsum, 60-80 parts of limewater, 20-30 parts of eupatorium adenophorum, 3-7 parts of coconut powder, 12-20 parts of rapeseed dregs, 6-10 parts of humic acid, 8-16 parts of pig manure, 2-3 parts of compound amino acid liquid, 5-9 parts of plant ash, 0.1-0.5 part of zinc sulfate monohydrate, 2-4 parts of polyacrylamide, 8-14 parts of ammonium tribasic phosphate and 1-2 parts of complex microbial community. According to soil modifier, by using the phosphogypsum to prepare the soil modifier, the environmental pollution problem brought by the accumulating of of the phosphogypsum can be effectively solved, and the prepared soil modifier can obtain better economic benefit.

Description

technical field [0001] The invention relates to the field of agricultural technology, and also relates to the field of environmental protection technology for utilizing waste, in particular, to a soil conditioner prepared from industrially produced waste and a preparation method thereof. Background technique [0002] At present, chemical pesticides pose a threat to the sustainable development of agriculture. Chemical fertilizers and pesticides are widely used in agricultural production. A large amount of agricultural chemicals such as chemical fertilizers, pesticides and herbicides have been invested, the irrigation area has continued to expand, and the intensity of soil mechanical operations has continued to increase. The introduction of new crops, crop fertilizer-resistant varieties and continuous innovation of cultivation techniques have jointly promoted the rapid increase of global agricultural production. At the same time, chemical agriculture has also brought serious e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C09K17/40C09K109/00C09K101/00C05G3/80
CPCC05B7/00C05G3/00C05G3/80C09K17/40C09K2101/00C09K2109/00C05C11/00C05D1/00C05D3/02C05D9/00C05D9/02C05F3/00C05F5/002C05F11/02C05F11/08
Inventor 不公告发明人
Owner 贵州永合益环保科技有限公司
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