CN103461084A - Afforesting matrix for improving stone-pit waste muck and preparation method and application of afforesting matrix - Google Patents
Afforesting matrix for improving stone-pit waste muck and preparation method and application of afforesting matrix Download PDFInfo
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- 239000002699 waste material Substances 0.000 title claims abstract description 68
- 239000011159 matrix material Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 56
- 241000196324 Embryophyta Species 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000012216 screening Methods 0.000 claims abstract description 5
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- 239000010881 fly ash Substances 0.000 claims description 50
- 230000006872 improvement Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 10
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- 241000576429 Forsythia suspensa Species 0.000 claims description 5
- 241000279690 Ixora pavetta Species 0.000 claims description 5
- 240000000161 Lagerstroemia indica Species 0.000 claims description 5
- 235000000283 Lagerstroemia parviflora Nutrition 0.000 claims description 5
- 240000004296 Lolium perenne Species 0.000 claims description 5
- 241000018650 Pinus massoniana Species 0.000 claims description 5
- 235000011610 Pinus tabuliformis Nutrition 0.000 claims description 5
- 241001092389 Sorbaria Species 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
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Classifications
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- Y02P60/216—
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an afforesting matrix for improving stone-pit waste muck and a preparation method and application of the afforesting matrix. The preparation method includes selecting the stone-pit waste muck, manually or mechanically screening the waste muck by a screen with the bore diameter of 20mm, removing impurities like weeds, matching, by dry weight, 75 parts of the stone-pit waste muck, 5-10 parts of coal ash, 10-15 parts of mineralized waste and 5 parts of sewage mud, and uniformly mixing under normal temperature. Vegetation matrixes or soil improving materials and formulas can be produced on site, waste muck and waste soil quantity can be reduced, cost can be lowered, and land and vegetation resources can be protected. The afforesting matrix can be applied to overall afforestation, local borrowed-soil afforestation and bagged afforestation in semi-humid areas in north China and seasonally-dry and concentrated-rainfall areas where large building projects are carried out.
Description
Technical field
The present invention relates to mine entironment and administer field, relate in particular to a kind of afforesting matrix of improveing the discarded dregs in stone pit and its preparation method and application.
Background technology
At present, economic development increases sharply to the mineral resources demand, the modern city trend pickup, the universal speed-raising of counties and townships' level urbanization, cause the appearance of a series of construction projects, and the industry developments such as mining continue to bring out, excessive and the illegal mining form in mining area, cause stone pit destroy and endanger various informative, especially strip mining transformation, caused the serious ecological environment problem in mining area: have a strong impact on natural landscape, the landscape fragmentation phenomenon is very serious, destroy original soil surface and vegetation, stop up river course, the aggravation water and soil loss, mining area Soil Surrounding and water body environment are polluted, the disaster such as induced landslide and debris flow.Simultaneously, the dregs discarded object of formed abandoned land of digging up mine has numerous extreme nature, main manifestations is that bad, barren, the extreme pH value of physical arrangement, content of beary metal are too high, arid etc., Land Resource in Mining Area, water environment, bio-diversity and mining area view etc. have all been produced to tremendous influence, the existence of harm humans simultaneously and health, influence area sustainable economic development.
Because the discarded dregs of major part is classified, take the form of directly arbitrarily stacking, in the castaway slag mound, castaway slag grogs footpath is not of uniform size, differ greatly, cause subsurface to form huge hole simultaneously, thereby make surface water generation serious leakage, cause landform to arrange difficulty large.And the detrital grain that discarded dregs is different levels forms, and nutrient component lacks, and water retention capacity is poor, and the revegetation difficulty of governance is higher.
In prior art, generally adopt direct earthing to be afforested, yet, because the soil cost is high, haul distance far causes the revegetation cost high, conventional afforestation does not reach the purpose of sustainable revegetation, causes plant percent not high.Research about substrate composition is also a lot, appearance as products such as artificial soil, thick-layer base material type and plant cover concrete formula, rock matter ecological recovery matrix, high gradient slope ecological slope protection substrate, sludge-spraying and seeding afforesting matrix, coal gangue pulverizing article spraying and seeding afforesting matrix, ecological protection greening substrate for rock slope, sandstone rock slope greening matrix, but, still there are many problems in practical application, for example, matrix formulations is similar, and sectional center is sex-limited large, affects the revegetation effect.
Summary of the invention
The purpose of this invention is to provide a kind of afforesting matrix of improveing the discarded dregs in stone pit, this afforesting matrix can utilize stone pit to discard dregs to greatest extent, reduce use vegetable soil and organic matter and wait other to add raw material, there is the convenience of drawing materials, with low cost, resources conservation.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of afforesting matrix of improveing the discarded dregs in stone pit, with the dry weight metering, described afforesting matrix is comprised of 5 parts of 75 parts of the discarded dregs in stone pit, 5～10 parts, flyash, 10～15 parts of mineralized wastes, sewage mud;
The discarded dregs in described stone pit is the residuals after exploit in stone pit, through artificial or machinery, crosses the sieve that aperture is 20mm, the material of gained after removal weeds material;
When described flyash is pulverized coal friring, the bottom slag that the powdery residue of taking out of in flue gas and furnace bottom are got rid of, such as taking from the Changping District, Beijing cement plant, when it is exactly boiler combustion, the bottom slag that the powdery residue of taking out of in flue gas and boiler bottom are got rid of;
Described mineralized waste is refuse landfill stale garbage (such as the stale garbage of Beijing's north paradise village's refuse landfill), after the 20mm screening, reject bulk matter, obtain the class soil substance of black, wherein bulk matter is stone, brick, plastics, wooden unit, glass, bone etc.
Described sewage mud is the method that mud adopts During High-Temperature Composting, the mature sludge produced after the secondary biofermentation, and outward appearance is brown, loose, moisture content 20～30%.Described mud can be taken from municipal sewage plant, such as the mud of taking from Huairou District, Beijing City Miao Li sewage treatment plant.
Another object of the present invention is, the preparation method of the afforesting matrix of the discarded dregs in above-mentioned improvement stone pit is provided, and said method comprising the steps of:
It is standby after 20mm sieve (removing the impurity such as weeds) selecting the discarded dregs employment work in stone pit to sieve aperture;
With the dry weight metering, carry out proportioning by following mass parts: dregs is 75 parts, and flyash is 5～10 parts, and mineralized waste is 10～15 parts, and sewage mud is 5 parts;
Above-mentioned raw materials is evenly mixed at normal temperatures.
A further object of the present invention is, the application of the afforesting matrix of the discarded dregs in above-mentioned improvement stone pit is provided, this matrix is applicable to the domatic and platform of the movable waste produced of construction project in half humid region of North China and carries out revegetation, particularly, this afforesting matrix can be applied to half humid region, seasonal drought, rainfall are concentrated and carry out in the large movable area of construction project integrated greening, the greening of local soil moved in to improve the original and packed greening.
The herbal formula in concrete suitable North China is:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5;
The formula of suitable North China shrub is:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5.
The formula of following any plant in concrete suitable North China is:
Perennial ryegrass:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5;
Festuca Arundinacea:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5;
Purple leaf barberry:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Spindle tree:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
False spiraea:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Crape myrtle grows thickly:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
The capsule of weeping forsythia:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Smoke tree:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Chinese pine:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Torch tree:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5.
The present invention carries out soil melioration because the dregs discarded for construction project is domatic with platform, utilize as much as possible waste spoir and other agriculture and industry wastes, add as few as possible peat, polynary composite slow release fertilizer, bio-fertilizer, water-loss reducer, the additives such as Soil Erosion Prevention and Cure agent, can produce on the spot and plant living matrix or soil improvement material and formula, reduce waste spoir amount, reduce costs, protection soil and vegetation resources, can be applied to North China half humid region, seasonal drought, the integrated greening that rainfall is concentrated and carry out in the large movable area of construction project, the afforesting matrix of local soil moved in to improve the original greening and packed greening.
The afforesting matrix of the discarded dregs in improvement of the present invention stone pit, utilize stone pit discard dregs to greatest extent, reduces and use vegetable soil and organicly wait other to add raw material, has the characteristics such as the convenience of drawing materials, with low cost, resources conservation.This afforesting matrix to the slaking of one-tenth soil, the supply that increases dregs available nutrient that promote dregs, improve soil physico-chemical characteristic, promote that revegetation has significant effect.The present invention has not only found a new approach that utilizes for the discarded object dregs in the quarrying process, and for the afforesting matrix characteristics easily of gathering materials on the spot, suitably select flyash, mineralized waste, sewage mud etc. to be rich in the trade waste of the nutritive element such as organic, realized utilization of waste as resource.
Embodiment
The present invention has carried out detailed analysis of physical and chemical property to each matrix formulations, through a large amount of pot experiments, analyze the plant growth index of 10 Plants, use overall balance method and aggregative weighted point system, filter out the optimization formula of suitable for plant growth from 9 kinds of mixed-matrix formulas.
Experimental example 1
It is the discarded dregs in stone pit, flyash, mineralized waste, sewage mud that the present invention has chosen additive.2 kinds of draft are chosen in invention, 8 kinds of shrub plants are tested, 2 kinds of draft: Festuca Arundinacea, perennial ryegrass; 8 kinds of shrubs: purple leaf barberry, spindle tree, false spiraea, the crape myrtle that grows thickly, the capsule of weeping forsythia, smoke tree, Chinese pine, torch tree.Each additive feature is as follows:
The discarded dregs in stone pit of the present invention is the residuals after exploit in stone pit, through artificial or machinery, crosses the sieve that aperture is 20mm, the material of gained after removal weeds material;
Described flyash is taken from the Changping District, Beijing cement plant, when it is exactly boiler combustion, and the bottom slag that the powdery residue of taking out of in flue gas and boiler bottom are got rid of;
Described mineralized waste is taken from Beijing's north paradise village's refuse landfill, is the refuse landfill stale garbage, after the 20mm screening, rejects the bulk matter such as stone, brick, plastics, wooden unit, glass, bone, obtains the class soil substance of black;
Described sewage mud is taken from Huairou District, Beijing City Miao Li sewage treatment plant, for the mud of municipal sewage plant adopts the method for During High-Temperature Composting, and the mature sludge produced after the secondary biofermentation, outward appearance is brown, loose, moisture content 20～30%.
The herbaceous plant seeds of described matrix and shrub plant select to adapt to the kind of local climate, especially select the kind of drought resistance, strong stress resistance.
The heavy metal composition of dregs, flyash, mineralized waste, sewage mud and chemical property are discarded as following table 1 and table 2 in stone pit used.
The content of beary metal of table 1 different materials
The physicochemical property of table 2 different materials
The preparation method of afforesting matrix of the present invention, carry out according to following steps:
Select the discarded dregs employment work in stone pit to sieve 20mm sieve (removing the impurity such as weeds) rear standby;
Carry out proportioning by following mass parts: the discarded dregs in stone pit is 75 parts, and flyash is 5～10 parts, and mineralized waste is 10～15 parts, and sewage mud is 5 parts, above equal dry weight metering;
Above-mentioned raw materials is evenly mixed at normal temperatures.
L is selected in concrete experiment
9(3
4) orthogonal table arranges, orthogonal experiment factor and water-glass are in Table 3.
Table 3 orthogonal experiment factor and water-glass (with dry weight basis, weight portion)
Result of the test is as follows:
(1) in the perennial ryegrass experimental group, the solid waste mix proportion scheme is: A
1b
1c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>A>B, optimization formula is: A
1b
3c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5;
(2) in the Festuca Arundinacea experimental group, the solid waste mix proportion scheme is: A
1b
2c
2, the range analysis result is known, and three factor primary and secondarys are sequentially: B>A>C, optimization formula is: A
1b
3c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5;
(3) in purple leaf barberry experimental group, the solid waste mix proportion scheme is: A
2b
3c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>A>B, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(4) in the spindle tree experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(5) in the false spiraea experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(6) grow thickly in the crape myrtle experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(7) in capsule of weeping forsythia experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(8) in the smoke tree experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(9) in the Chinese pine experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
(10) in the torch tree experimental group, the solid waste mix proportion scheme is: A
3b
2c
1, the range analysis result is known, and three factor primary and secondarys are sequentially: C>B>A, optimization formula is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5.
Comprehensive above-mentioned formula, the common herbal formula in suitable North China is: A
1b
3c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: during sewage mud=75:5:15:5, the most favourable to common herbaceous plant growth; The formula of the common shrub in suitable North China is: A
2b
2c
1, proportioning is the discarded dregs in stone pit: flyash: mineralized waste: during sewage mud=75:10:10:5, the most favourable to common this plant growth of shrub.
With formulas such as current ecological recovery, greening side slope matrix, compare, the compound substrate formula of the present invention's screening, mainly for the discarded stone pit of half humid region, North China, in the time of the discarded dregs of improvement, the matrix formulations of suitable this area plant growth is proposed, meet demand of plant growth, survival rate is high.Extensive due to discarded dregs, flyash, mineralized waste, city sewage and sludge source resource, draw materials easily, for of the present invention applying, lay a good foundation, also reduced production cost 30～45%, improved economy, society and ecological benefits.
Embodiment 2 Zhen Huangyuan village, Zhou Kou Dian, Fangshan District of Beijing experiment and demonstration engineerings
Zhen Huangyuan stone pit, Zhou Kou Dian, Fangshan District is recovered waste side slope and platform and is belonged to the residual discarded rickle natural packing of quarrying and form, between 30～40 ° of side slopes, and application area 10000m2, construction seasons is 6～July.
Tested in mid-April, 2011 and carry out, test is carried out in conjunction with the abandoned mine Ecological Restoration Project.Abandoned mine land occupation condition extreme difference, soil layer does not even have soil layer as thin as a wafer, mainly adopts the soil moved in to improve the original improving technology to afforest and plants.Consisting of of the afforesting matrix of this test improvement dregs: dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5 is mixed rubbish humus soil and outsourcing green soil at the Production Zones Suitable soil moved in to improve the original greening seedling of planting.The purple leaf barberry of choice plant species, spindle tree, false spiraea, the crape myrtle that grows thickly, the capsule of weeping forsythia, smoke tree, Chinese pine, torch tree, planting system adopts and is the formal style avenue system.
Effect: after the half a year of constructing, plant survival rate reaches more than 80%.The planting matrix layer was through the natural precipitation of a year and manually water, resistance to overturning is good, take full advantage of the solid waste such as sewage mud of stone pit periphery, reach " treatment of wastes with processes of wastes against one another ", reduce the effect of secondary pollution, reduce greening cost 25～35%, played good economy, society and ecological benefits.
Embodiment 3 Cloud Lake Resort phase II construction project demonstration projects
Experiment and demonstration carried out at the beginning of 2011 4 months, and place is positioned at Cloud Lake Resort, and test is carried out in conjunction with Cloud Lake Resort phase II construction project.This project is the natural garden style Greening Design, and all plant settings all are irregular natural distribution, and the plant setting place disperses.The plant variety that test is selected mainly contains perennial ryegrass and Festuca Arundinacea.Consisting of of afforesting matrix selected in test: discarded dregs: flyash: mineralized waste: sewage mud=75:5:15:5.
Effect: after the half a year of constructing, plant survival rate reaches more than 95%.The planting matrix layer was through the natural precipitation of a year and manually water, resistance to overturning is good, not only take full advantage of the discarded dregs of the generation in process of construction, municipal solid wastes, and without buying the materials such as fertilizer etc., water-loss reducer, effectively reduce cost, played good economy, society and ecological benefits.
Claims (7)
1. an afforesting matrix of improveing the discarded dregs in stone pit, is characterized in that, with the dry weight metering, described afforesting matrix is comprised of 5 parts of 75 parts of the discarded dregs in stone pit, 5～10 parts, flyash, 10～15 parts of mineralized wastes, sewage mud;
The discarded dregs in described stone pit is the residuals after exploit in stone pit, through artificial or machinery, crosses the sieve that aperture is 20mm, the material of gained after removal weeds material;
When described flyash is pulverized coal friring, the bottom slag that the powdery residue of taking out of in flue gas and furnace bottom are got rid of;
Described mineralized waste is the refuse landfill stale garbage, after the 20mm screening, rejects bulk matter, obtains the class soil substance of black;
Described sewage mud is the method that mud adopts During High-Temperature Composting, the mature sludge produced after the secondary biofermentation, and outward appearance is brown, loose, moisture content 20～30%.
2. the afforesting matrix of the discarded dregs in improvement according to claim 1 stone pit, is characterized in that, the herbal afforesting matrix in suitable North China consists of:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5.
3. the afforesting matrix of the discarded dregs in improvement according to claim 1 stone pit, is characterized in that, the afforesting matrix of suitable North China shrub consists of:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5.
4. the afforesting matrix of the discarded dregs in improvement according to claim 1 and 2 stone pit, is characterized in that, the afforesting matrix of following any plant in suitable North China consists of:
Perennial ryegrass:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5;
Festuca Arundinacea:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:5:15:5.
5. according to the afforesting matrix of the discarded dregs in the described improvement of claim 1 or 3 stone pit, it is characterized in that, the afforesting matrix of following any plant in suitable North China consists of:
Purple leaf barberry:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Spindle tree:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
False spiraea:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Crape myrtle grows thickly:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
The capsule of weeping forsythia:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Smoke tree:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Chinese pine:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5;
Torch tree:
Dregs is discarded in stone pit: flyash: mineralized waste: sewage mud=75:10:10:5.
6. the preparation method of the afforesting matrix of the discarded dregs in an improvement claimed in claim 1 stone pit said method comprising the steps of:
With the dry weight metering, by following mass parts, carry out proportioning: the discarded dregs in stone pit is 75 parts, and flyash is 5～10 parts, and mineralized waste is 10～15 parts, and sewage mud is 5 parts;
Above-mentioned raw materials is evenly mixed at normal temperatures.
7. the application of the afforesting matrix of the discarded dregs in improvement claimed in claim 1 stone pit, is characterized in that, described afforesting matrix carries out revegetation for the movable waste produced of the construction project of North China half humid region is domatic with platform.
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| CN104496693A (en) * | 2014-12-30 | 2015-04-08 | 清华大学 | Mixed cultivation medium applicable to turfgrass and application of mixed cultivation medium |
| CN104496693B (en) * | 2014-12-30 | 2017-04-19 | 清华大学 | Mixed cultivation medium applicable to turfgrass and application of mixed cultivation medium |
| CN105693326A (en) * | 2016-01-21 | 2016-06-22 | 北京圣海林生态环境科技股份有限公司 | Preparation method of urban compostable organic waste soil improvement material |
| CN105613018B (en) * | 2016-02-23 | 2019-01-01 | 卢璟豪 | Desert sludge seeding block and desert planting method |
| CN105613018A (en) * | 2016-02-23 | 2016-06-01 | 卢璟豪 | Sludge planting block for deserts and desert planting method |
| CN105613206A (en) * | 2016-03-03 | 2016-06-01 | 武汉法雅园林集团有限公司 | Method for transplanting trees on landfill type garbage sites |
| CN105613206B (en) * | 2016-03-03 | 2018-10-26 | 法雅生态环境集团有限公司 | A method of transplanting arbor on filling type soot |
| CN108569926A (en) * | 2017-09-27 | 2018-09-25 | 武汉市绿色环保能源有限公司 | A kind of afforestation plantation base material and preparation method thereof made using waste incineration slag |
| CN109220462A (en) * | 2018-09-20 | 2019-01-18 | 鞍钢集团矿业有限公司 | A kind of greening method of reclaiming of tailing side slope |
| CN110142276A (en) * | 2019-06-11 | 2019-08-20 | 成都市兴蓉再生能源有限公司 | A method of Closure of landfill site restoration of the ecosystem is used for using the aging rubbish of depth mineralising is compound |
| CN110142276B (en) * | 2019-06-11 | 2021-07-20 | 成都市兴蓉再生能源有限公司 | Method for composite application of deeply mineralized and aged refuse to landfill closure ecological restoration |
| CN110754161A (en) * | 2019-11-22 | 2020-02-07 | 辽宁工程技术大学 | Ecological restoration method for abandoned bare land in open coal mine area |
| CN111670778A (en) * | 2020-05-29 | 2020-09-18 | 北京林业大学 | Slag matrix and preparation method and application thereof |
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