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Vegetation restoration agent for coal mining subsidence area and preparation method thereof

A technology for restoration of coal mining subsidence and vegetation, which is applied in the field of vegetation restoration agent for coal mining subsidence and its preparation. Excellent, improve physical and chemical properties, promote the effect of vegetation restoration process

Inactive Publication Date: 2018-04-06
宿州市逢源生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the sodium alginate embedding method is widely used for its advantages of simple operation, high particle strength after embedding, non-toxicity to microorganisms and good mass transfer performance, but at the same time, they have poor antimicrobial decomposition performance and low mechanical strength. The activity and mass transfer performance of the coupling agent will decrease again after the stabilization treatment

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019] A vegetation restoration agent for coal mining subsidence, prepared by the following method:

[0020] (1) Wash the coconut shell and chop it into small pieces of 1 cubic centimeter, air-dry it under natural conditions for 2 weeks until the water content in the coconut shell piece is less than 8%, put the air-dried coconut shell piece in the furnace at 20°C Heat up to 500°C per minute, keep warm and pyrolyze for 3 hours, take out and grind after natural cooling and pass through a 1 mm sieve to obtain coconut fiber biochar for subsequent use;

[0021] (2) Air-dry the lake bottom sludge and mix it with weathered coal at a mass ratio of 3:1 for composting and fermentation. The composting temperature is controlled at 50°C, the water content is 40%, and the composting and fermentation time is 4 weeks. After the fermentation is completed, collect and ferment material, dried and crushed through a 1 mm sieve for subsequent use;

[0022] (3) Mix diethylene glycol and ethylene gl...

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Abstract

The invention discloses a vegetation restoration agent for a coal mining subsidence area and a preparation method thereof. The agent is prepared from raw materials of coconut shell, lake sludge, sodium hyaluronate, weathered coal, ferric chloride, EM bacteria and the like. According to the vegetation restoration agent, the land destroyed by mining subsidence can be utilized again, the purpose of constructing vegetation communities is achieved as soon as possible to form a stable self-sustained soil vegetation ecosystem, soil microbial content is increased, soil physical and chemical propertiesare improved, a benign ecosystem cycle is formed, the vegetation restoration agent is conformed to the rule of nutrient absorption of vegetation in a vegetation restoration process, and the vegetation restoration process is promoted. The vegetation restoration agent is applicable to using in restorations of every coal mining subsidence area.

Description

technical field [0001] The invention relates to the technical field of environmental engineering, in particular to a vegetation restoration agent for coal mining subsidence and a preparation method thereof. Background technique [0002] Coal resources are widely distributed in China. In the process of coal mining, excavation of mountains and other constructions will cause coal mining subsidence, causing a large amount of land to be destroyed, such as surface subsidence, cracks, etc., causing serious damage to natural vegetation and soil. In order to increase mining The soil utilization rate of the coal field urgently needs to restore the natural vegetation and soil of the coal mining field. The key to vegetation restoration lies in the establishment of the initial vegetation community. However, due to the severe damage to the original surface soil during the excavation process, the newly formed soil lacks effective nutrients, which severely limits the growth of plants and af...

Claims

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Application Information

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IPC IPC(8): C05G3/04C09K17/40A01B79/02C05G3/80
CPCA01B79/02C05D9/00C05G3/80C09K17/40C05D9/02C05F7/00C05F11/00C05F11/02C05F11/08
Inventor 解安庆
Owner 宿州市逢源生物科技有限公司
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