Soil improver suitable for ecological restoration of mines in arid areas and its preparation and application method
A soil improver and ecological restoration technology, which is applied in the direction of chemical instruments and methods, the restoration and application of polluted soil, etc., can solve the problems of destroying land resources, short-term effect of chemical fertilizers, and large engineering quantity, so as to speed up the process of soil maturation, Improve water and nutrient conditions, improve the effect of soil physical and chemical properties
A soil improver and ecological restoration technology, which is applied in the direction of chemical instruments and methods, the restoration and application of polluted soil, etc., can solve the problems of destroying land resources, short-term effect of chemical fertilizers, and large engineering quantity, so as to speed up the process of soil maturation, Improve water and nutrient conditions, improve the effect of soil physical and chemical properties
CN105733604BActive Publication Date: 2019-03-05BEIJING FORESTRY UNIVERSITY +2
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[0065] The location of the example is located in Aobao Mountain, Ongniud Banner, Inner Mongolia. The mining area has been abandoned for many years, and the ecological environment in the mining area and surrounding areas has been severely damaged. Large areas of abandoned slopes, mine pits, and abandoned slag have typical characteristics of mines in arid areas. In 2015, the mine was repaired and the construction of the mine geological park was carried out. During the construction process, two slopes with similar site conditions such as slope length and slope fragmentation were selected, and a control test was carried out according to the relevant content of the present invention. During the test, the soil matrix filled in the ecological bag was controlled as a single variable, and other conditions such as construction conditions, process, maintenance management, watering times and other variables were kept unchanged.
[0066] Choose a PET material ecological bag, the size of the...
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Abstract
The invention discloses a soil conditioner applied to mine ecological restoration in an arid region as well as preparation and application methods thereof. The soil conditioner is prepared from the following raw materials: potassium polyacrylate, decomposed coal, biological potassium fulvate of sugar factory byproducts, natural zeolite powder and a compound microbial agent. The preparation method comprises the following steps: uniformly mixing the potassium polyacrylate, decomposed coal, biological potassium fulvate and natural zeolite powder in parts by weight; and adding water and diluting the compound microbial agent according to a ratio of 1:100, uniformly spraying, uniformly mixing again, and balancing for 10-20 days. The soil conditioner can be used for soil replacement covering engineering for repairing flat slope surface or slope surface with gentle slope in mining area and also can be used for ecological bag slope repair engineering for repairing soil sediment slope surface in mining area with steep slope and poor soil conditions. The soil conditioner can achieve the effects of obviously improving the plant emergence rate, improving water and nutrient conditions, improving physical and chemical properties of soil, increasing soil activity, accelerating the soil-ripening process and promoting vegetation growth.
Description
technical field [0001] The invention relates to an ecological restoration technology, in particular to a soil improver suitable for ecological restoration of mines in arid areas and a preparation and application method. Background technique [0002] (1) Current status of ecological problems in mines in arid areas: [0003] According to the mine geological environment investigation and assessment results of the China Geological Survey Bureau: by the end of 2005, more than 4,500 ground subsidences and more than 1,000 landslides were caused by mining in mines across the country. A total of 1.439 million hectares of land was occupied and destroyed by mining activities across the country. Therefore, mine ecological restoration is an urgent problem to be solved in the sustainable development of the national economy. During the mining process, abandoned mine pits, dumps, tailings ponds, and subsidence areas have brought serious ecological and environmental problems. The structure...
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Patent Timeline
05 Mar 2019
Publication
CN105733604B
- IPC
- C09K17/40; B09C1/08
- CPC
- B09C1/08; C09K17/40; C09K2103/00
- Inventors
- 宋双双; 冀春雷