Compounding method and application of soil conditioner

A soil improver and saline-alkali soil technology, which is applied in the field of solid waste treatment, can solve the problems of phosphogypsum environmental pollution and low value-added use of distiller's grains, so as to increase output value and economic benefits, increase dry matter content, and improve soil fertility Effect

Inactive Publication Date: 2013-10-09
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a compounding method of soil conditioner, which can give full play to the superiority of phosphogypsum in improving saline-alkali soil, and at the same time overcome its limitations, and solve the environmental pollution problem of phosphorus chemical waste phosphogypsum and distiller's grains use the problem of low added value, the method is realized through the following steps:

Method used

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  • Compounding method and application of soil conditioner
  • Compounding method and application of soil conditioner
  • Compounding method and application of soil conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1. Dry the waste residue phosphogypsum from Kunming Changqingshu Company at 60°C for 10 hours, and crush it to 200 mesh after drying to obtain pretreated phosphogypsum;

[0020] 2. Dried the waste fungus bag from Kunming Edible Fungi Research Institute (the waste fungus bag produced by cultivating Flammulina velutipes using conventional methods) and the distiller's grains from Kunming winery until the water content was 12% and then pulverized. The pulverized 100 1 kg of distiller's grains and 5 kg of waste bacteria bags are mixed evenly and fermented naturally. The fermentation conditions are as follows: control the fermentation water to 50%, and the stacking height is 0.7m. Cover with film to facilitate heat preservation, reduce water evaporation, turn over once every 3 days, and ferment for 10 days;

[0021] 3. Mix 1,000 kg of pretreated phosphogypsum with the fermented distiller's grains waste bacteria bag evenly, add water to adjust the water content to 35%, stack a...

Embodiment 2

[0029] 1. Dry the waste residue phosphogypsum from Kunming Changqingshu Company at 80°C for 5 hours, and crush it to 250 mesh after drying to obtain pretreated phosphogypsum;

[0030] 2. Dried the waste fungus bag from the Kunming Edible Fungi Research Institute (the waste fungus bag produced by cultivating shiitake mushrooms by conventional methods) and the distiller's grains from the Kunming winery until the water content was 14%, and then crushed. The crushed 100 kg The distiller's grains and 10 kg of waste bacteria bags are mixed evenly and fermented naturally. The fermentation conditions are: control the fermentation water to 55%, and the stacking height is 0.9m. Thin film is used to keep warm and reduce water evaporation, turn over every 5 days, and the fermentation time is 15 days;

[0031] 3. Mix 1,000 kg of pretreated phosphogypsum with the fermented distiller's grains waste bacteria bag evenly, add water to adjust the water content to 37%, pile up at room temperature...

Embodiment 3

[0039] 1. Dry the waste residue phosphogypsum from Kunming Changqingshu Company at 65°C for 8 hours, and crush it to 300 mesh after drying to obtain pretreated phosphogypsum;

[0040]2. Dried the waste fungus bag from Kunming Edible Fungi Research Institute (a mixture of the waste fungus bag produced after cultivating Flammulina velutipes and Lentinus edodes using conventional methods) and the distiller's grains from Kunming winery until the water content was 16% and then pulverized. 500 kg of crushed distiller's grains and 50 kg of waste bacteria bags are mixed evenly and fermented naturally. The fermentation conditions are: control the fermentation water to 60%, and the stacking height is 1.1m. Microbial reproduction, cover with film to facilitate heat preservation, reduce water evaporation, turn over every 4 days, and the fermentation time is 20 days;

[0041] 3. Mix 1,000 kg of pretreated phosphogypsum with the fermented distiller's grains waste bacteria bag evenly, add wa...

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Abstract

The invention discloses a compounding method and an application of soil conditioner. The soil conditioner provided by the invention can effectively lower pH value of saline alkali soil, loosen soil, improve soil structure and aeration condition, improve fertilizer utilization rate and solve plant growth disturbance caused by high soil alkalinity, meanwhile, ardealite can provide elements, such as sulphur, calcium and magnesium; raw materials are obtained from the solid waste ardealite produced by industrial enterprises, such as a phosphate fertilizer plant and a phosphoric acid plant, the byproduct vinasse and the waste fungus bags of a winery, thus, environment pollution is reduced effectively; the method and the application realize materiality flowing from 'waste-regenerated resource', are low in cost, turn the ardealite and the vinasse into wealth, improve the saline-alkali soil gradually and continuously, and have the advantages of strong promotion adaptability, remarkable economic benefit, social benefic and ecological benefit, and so on.

Description

technical field [0001] The invention relates to a compounding method and application of a soil conditioner, and belongs to the technical field of solid waste treatment. Background technique [0002] Soil salinization is a global resource and ecological problem, and it is also an unsolvable land degradation problem in the world. At present, the global saline-alkali soil is widely distributed and covers a large area, involving coastal areas, arid and semi- In the arid zone, the total area of ​​saline-alkali soil in China is about 2×10 8 hm 2 , is one of the countries most severely affected by desertification in the world today, mainly distributed in the inland areas of North China, Northeast China, Northwest China and the coastal zone north of the Yangtze River. Salt stress affects almost all important life processes of plants. Under the severe situation of dwindling area and insufficient fresh water resources, how to use and develop hundreds of millions of mu of saline-alka...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40B09C1/08C09K109/00C09K101/00
Inventor 贾庆明范文俊母佳利陕绍云
Owner KUNMING UNIV OF SCI & TECH
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