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Artificial magnetic soil and preparation method and application thereof

A magnetic and artificial technology, applied in applications, soil conditioning materials, chemical instruments and methods, etc., can solve problems such as undeveloped utilization, improve soil quality, improve biochemical improvement and restoration, and promote reproduction. Effect

Pending Publication Date: 2022-06-03
北京中力信达环境技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, there are about 100 million hm of sandy land and saline-alkali land in my country 2 , of which modern (active) sandy land and salinized land are about 37 million hm 2 , 45 million hm of residual sandy land and saline-alkali land 2 , and potential sandy land and salinized land 17 million hm 2 , 80% of desertified land and saline-alkali land in our country have not been developed and utilized

Method used

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  • Artificial magnetic soil and preparation method and application thereof
  • Artificial magnetic soil and preparation method and application thereof
  • Artificial magnetic soil and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

16 parts of gasifier ash, 8 parts of fly ash, 20 parts of municipal sludge, 6 parts of river and lake bottom mud, 15 parts of artificial zeolite, 6 parts of iron tailings, 7 parts of magnesium tailings, metallurgical melting 4 parts of slag, 3 parts of phosphogypsum, 1.5 parts of lignite, 4 parts of quicklime, and 12 parts of organic matter.

[0092] The above-mentioned gasifier ash, lignite, iron tailings, magnesium tailings, metallurgical slag, phosphogypsum, lignite, quicklime and organic matter are pulverized into fine particles with a particle size of 150 μm, and fly ash and gypsum powder are mixed; Dry and dispose of municipal sludge and river and lake bottom mud; make artificial zeolite molecular sieves into spheres with a diameter of 2 cm, soak them in chemicals for 30 minutes, then clean them and dry them for later use;

Rinse the pulverized mixture to leach out the salt, so as not to cause soil salinization again; after rinsing, perform high temperature treatment at 1...

Embodiment 2

21 parts of gasifier ash, 4 parts of fly ash, 13 parts of municipal sludge, 12 parts of river and lake bottom mud, 10 parts of artificial zeolite, 2.5 parts of iron tailings, 2.5 parts of magnesium tailings, metallurgical melting 4 parts of slag, 3 parts of phosphogypsum, 1.5 parts of lignite, 4 parts of quicklime, and 12 parts of organic matter.

[0096] The above-mentioned gasifier ash, lignite, iron tailings, magnesium tailings, metallurgical slag, phosphogypsum, lignite, quicklime and organic matter are pulverized into fine particles with a particle size of 150 μm, and fly ash and gypsum powder are mixed; Dry and dispose of municipal sludge and river and lake bottom mud; make artificial zeolite molecular sieves into spheres with a diameter of 2 cm, soak them in chemicals for 30 minutes, then clean them and dry them for later use;

Rinse the pulverized mixture to leach out the salt, so as not to cause soil salinization again; after rinsing, perform high temperature treatment...

Embodiment 3

23 parts of gasifier ash, 6 parts of fly ash, 15 parts of municipal sludge, 15 parts of river and lake bottom mud, 10 parts of artificial zeolite, 5 parts of iron tailings, 5 parts of magnesium tailings, metallurgical melting 5 parts of slag, 2 parts of phosphogypsum, 2 parts of lignite, 3 parts of quicklime, and 9 parts of organic matter.

[0100] The above-mentioned gasifier ash, lignite, phosphogypsum, lignite, quicklime and organic matter are pulverized into fine particles with a particle size of 180 μm, mixed with fly ash and gypsum powder; the municipal sludge and river and lake bottom mud are dried and disposed of; The artificial zeolite molecular sieve is made into a spherical shape with a diameter of 5 cm, soaked in the medicine for 30 minutes, then cleaned and dried for use;

Rinse the pulverized mixture to leach out the salt so as not to cause soil salinization again; after rinsing, perform high temperature treatment at 200 degrees Celsius; sterilize municipal sludge...

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Abstract

The invention relates to artificial magnetic soil as well as a preparation method and application thereof. The artificial soil is prepared from the following raw materials: 15 to 30 parts of gasifier ash, 3 to 10 parts of fly ash, 10 to 20 parts of municipal sludge, 5 to 15 parts of river and lake bottom mud, 10 to 20 parts of artificial zeolite, 2 to 7 parts of iron tailings, 1 to 7 parts of magnesium tailings, 1 to 5 parts of metallurgical slag, 1 to 5 parts of phosphogypsum, 1 to 2 parts of lignite, 3 to 5 parts of quick lime and 5 to 12 parts of organic matters. The ash, the sludge and other organic matters are used for preparing soil and fertilizer, so that the sandy land and saline-alkaline characters of the soil in the region can be improved, and the survival rate of plants is increased; the landfill and stacking cost of ash and sludge is saved; water and air pollution is reduced, and the ecological environment is restored. The method has the advantages that the special effects of treating and treating waste with waste, treating waste and treating waste with each other and changing double harm into double benefit can be achieved, environmental benefit and economic benefit can be better combined, and the comprehensive significance of carbon emission reduction is achieved.

Description

technical field [0001] The invention relates to the technical field of industrial solid waste and organic matter recycling and reuse, in particular to an artificial magnetic soil and a preparation method and application thereof. Background technique [0002] With the continuous development of human society and economy, the demand for mineral resources is increasing. With the continuous exploitation of mineral resources, the shortage of resources has become increasingly prominent. However, the industrial solid waste has increased exponentially, and its usable components are relatively high. Therefore, it has become a consensus for people to rationally dispose and utilize the waste solids. The recycling of industrial ash is an important link in the recycling of solid waste. [0003] In addition, there are about 100 million ha of various types of sandy land and saline-alkali land in my country. 2 , of which about 37 million ha of modern (active) sandy land and salinized land ...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K101/00C09K109/00
CPCC09K17/40C09K2101/00C09K2109/00Y02W30/40
Inventor 柏明锁俞德仁李元友杨晓峰刘士刚
Owner 北京中力信达环境技术有限公司
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