CN108243650A - It is a kind of that the multiple green method of abandoned mine is strengthened using stabilisation sludge - Google Patents
It is a kind of that the multiple green method of abandoned mine is strengthened using stabilisation sludge Download PDFInfo
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- CN108243650A CN108243650A CN201711472100.4A CN201711472100A CN108243650A CN 108243650 A CN108243650 A CN 108243650A CN 201711472100 A CN201711472100 A CN 201711472100A CN 108243650 A CN108243650 A CN 108243650A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/02—Cultivation of hops or vines
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/002—Solid waste from mechanical processing of material, e.g. seed coats, olive pits, almond shells, fruit residue, rice hulls
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Pest Control & Pesticides (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention relates to a kind of using the multiple green method of sludge reinforcing abandoned mine is stabilized, include the following steps：(1) compost sludge is made in aerobic fermentation sludge and rich cellulose-containing auxiliary material hybrid concurrency ferment, is mixed after air-drying with sandy soil, and add water-retaining agent and adhesive, obtain artificial soil matrix after mixing；(2) it is uniformly mixed in artificial soil matrix after vegetable seeds is pre-processed；(3) wire netting is laid on abandoned mine surface to be green, then will be laid on wire netting sprinkled with the artificial soil matrix of vegetable seeds.Compared with prior art, the present invention is relative to traditional chemistry, physical method regulation effect is more excellent, using area is big, ecological environment of soil is good, and it can solve the problems, such as municipal sludge outlet after stabilizing, in the covering of following China's mining area vegetation, restoration of the ecosystem and urban biomass waste is innoxious and recycling, and really realizes that the target of China abandoned mine blue mountains and green waters will play a significant role.
Description
Technical field
The present invention relates to environment remediation technical fields, and in particular to a kind of multiple green using sludge reinforcing abandoned mine is stabilized
Method.
Background technology
The fast development of national economy be unable to do without the support of mineral resources, and with China's expanding economy, mineral resources are opened
It adopts industry to emerge rapidly, therefore also results in various serious ecological environment destruction problems, the destruction including Landscape, soil are dirty
Dye is with degenerating, bio-diversity is lost etc..Abandoned mine place is in bare area state after exploitation of mineral resources, and surface layer soil layer degrades sternly
Weight, affects the recovery and reconstruction of vegetation, and particularly to some exposed hills with certain slope, green difficulty is very big again.
The physicochemical property of soil can be changed at present, ensure conversion of the soil nutrient between plant and soil, it is normal to play soil
Ecology Action.For the severe soil environment in current mining area and ecological environment, intend by after to mining soil stabilization processes
Restoration of the ecosystem is carried out again to achieve the purpose that vegetative coverage, improve soil.The stabilized method of mining soil include Physical and
Chemical method.Physical is processing early period of restoration of the ecosystem, and the recovery of Landscape is the main object of Physical.And chemical rule
It is by adding chemical agent, forms one layer of shell membrane on tailing surface, prevent from further corroding.But the cost of chemical method is opposite
It is higher, and cannot be guaranteed to environment non-secondary pollution, thus it is more using or by the way of Physical and vegetation repair be combined
To restore vegetation.
There are two kinds can be divided into direct revegetation and earthing vegetation for the mode of recovering plant cover of mine, and direct revegetation is
It is used in the presence of mining soil also has certain nutrition and microorganism, animal, repair mode is simple and convenient.But
Be current mine it is most of be the bare area stage, be more suitable for repairing to carry out abandoned mine vegetation by the way of earthing vegetation
It is multiple, i.e., the recovery sowed plant again and reach ecology is first covered using Physical progress mellow soil.Although the vegetation repair used at present
Method has certain effect, but anaphase effect reduces, it is difficult to meet vegetation good development and growth, and repair time for a long time
It is long.Therefore need a kind of novel mining area vegetation recovery technique method for finding small investment, repairing, repairing efficiency being shortened.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of at low cost, reparation effects
Good the using of fruit stabilizes sludge and strengthens the multiple green method of abandoned mine.
The purpose of the present invention can be achieved through the following technical solutions：It is a kind of that abandoned mine is strengthened using stabilisation sludge
Multiple green technical method, includes the following steps：
(1) compost sludge is made in aerobic fermentation sludge and rich cellulose-containing auxiliary material hybrid concurrency ferment, it is after air-drying and husky
Soil mixing, and water-retaining agent and adhesive are added, artificial soil matrix is obtained after mixing；
(2) it is uniformly mixed in artificial soil matrix after vegetable seeds is pre-processed；
(3) wire netting is laid on abandoned mine surface to be green, it then will be sprinkled with the artificial soil matrix of vegetable seeds
It is laid on wire netting.
The municipal dewatered sludge for coming from sewage plant high temperature aerobic composting device can be selected in the aerobic fermentation sludge of the present invention,
Sludge after aerobic compost is realized into innoxious, stabilization procedures, Soil improvement matrix can be used as, is directly used in mining area plant
It is resumed, can not only solve the outlet of sludge, mining soil structure and physicochemical characteristic can also be improved, increase soil
Fertility, accelerate the generation and curing of the abandoned mine lean soil humus layer of " very little Maonans life ", accelerate revegetation and again
It builds.
The aerobic fermentation sludge and the mass ratio of rich cellulose-containing auxiliary material are (4~6):1, the heap after everfermentation
In fertile sludge, containing more organic matter, nitrogen phosphorus nutrient etc., it is suitble to plant growth, increases soil fertility, use is rich in fiber
The auxiliary material of element is rice husk etc..
Using the aerobic fermentation process covered based on film, fermentation period is 28~35 days for the fermentation..
The compost sludge and the mass ratio of sandy soil are 1:(3~5), in the sandy soil comprising more than 80% sand grains with
And less than 20% clay, the grain size of the sand grains is 0.2~1.5mm, and the grain size of the clay is 0.005~0.05mm.This
Sandy soil in invention are usually the sand discarded after mine quarrying slab, and the soil fertility is inadequate, can not meet plant growth
Required, so needing to be mixed with compost sludge, the sand in local use mining area does not need to extra carry soil moved in improve the original, with
Exempt to damage the soil environment in other areas.
The water-retaining agent is selected from environmental-friendly super absorbent resin (SAP), and described adhesive is selected from environmentally degradable
Polyacrylamide compound (PAM), the additive amount of the water-retaining agent and adhesive is respectively 0.3~0.6% and 0.5~
1.0%.Addition water-retaining agent can promote the water retention property of artificial soil matrix, add adhesive, can promote artificial soil base
The degree of adhesion of matter, so as to enhance the artificial adhesion effect of soil matrix and the structural stability of slope surface after linked network is sowed grass seeds by duster.
, the vegetable seeds is the seed of pionner, the pretreatment be vegetable seeds is impregnated 18~for 24 hours,
And it is uniformly blended in artificial soil matrix according to the application rate of 30~50 vegetable seeds/kilogram artificial soil matrix.Pioneer
Plant has the characteristics that growth is fast, seed production is big, higher diffusivity, it is possible to vegetation repair is quickly carried out, and
Pionner is not suitable with mutually shade and Competitive Rhizosphere, so being easy to be supplanted by later population.
The pionner includes one or more of deer horn paint, porcelain ampelopsis or Horseweed Herb.
The wire netting is galvanized wire mesh, and passes through anchor pole and be fixed, and is laid with the slope of the abandoned mine of wire netting
Than being 1：(1~1.5).Wire netting is laid with, artificial soil matrix can be prevented by rain drop erosion, so as to reach fixed root system of plant
Effect, and ensure plant can with fast-growth cover and vegetation diversity and three-dimensional, make the complete reparation of mining area vegetation.
The laying depth of the artificial soil matrix is 5~10cm.
Compared with prior art, beneficial effects of the present invention are embodied in following several respects：
(1) chosen in the present invention aerobic fermentation rear stabilization sludge pass through with sand discarded after mine quarrying slab it is accurate
In the sand for measuring to carry out the artificial soil matrix mine quarrying slabs formation that plant growth is made in proportioning due to fertility not
It is enough, in mining area it is difficult to meet the long term development growth of plant, and contain more organic matter and nitrogen phosphorus etc. in aerobic fermentation sludge
Nutrient, and with lightweight, water holding, ventilative characteristic, can hardened, artificial soil matrix made of improvement be prevented with water storage water conservation
Physical property, the root growth for plant provides space and nutrient；
(2) sludge can be formed with the fertilizer of fertility by municipal sludge recycling by aerobic fermentation in the present invention
Solve sludge pollution problem, make sludge reduction, innoxious and recycling, the compost sludge after fermentation not only fertilizer efficiency it is good but also
Its manufacture is at low cost；
(3) ensure the covering of the substrate in the exposed place in mining area in the present invention using the method that linked network is sowed grass seeds by duster, and combine first
Cutting edge of a knife or a sword plant carries out mining area vegetation reparation, covering place can be made to form overall plate, and can prevent rainwash, reached
To the effect of fixed root system of plant, and ensure that plant can make mining area with fast-growth covering and vegetation diversity and three-dimensional
The complete reparation of vegetation.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of specific embodiment for the method that mining area vegetation covering is carried out using fermented sludge combination pionner is as follows：
1st step：Municipal dewatered sludge is handled using the sludge high temperature aerobic installation for fermenting of Chaohu, moisture content is
80% dewatered sludge and rice husk as auxiliary material is according to 5:1 mass ratio mixing after crushing, obtains the mixture that moisture content is 60%,
And bacteria agent is sprayed in the mixture, then it will spray the sludge of bacteria agent, rice husk mixture is transferred to aerobic fermentation
Storehouse inner sealing aerobic fermentation surrounding, finally obtains compost sludge.
2nd step：The sand that the sludge fermented and mine restoring area are discarded, in mass ratio 1:5 accurate measurements
Mixing after stacking for 24 hours, forms artificial soil matrix, so as to effectively improve the content of the nutrients such as organic matter in sand, to protect
Organic matter, nitrogen phosphorus nutrient content in mixing artificial soil matrix made of card disclosure satisfy that the growth needs of plant.
4th step：In order to further improve the water conservation of formed artificial soil matrix, fertilizer conservation performance and the spray of follow-up linked network
Stability after broadcasting reduces the massif water body after being repaired caused by the gradient is excessively high and is lost in, mixed in stabilisation sludge and sand
0.5% and 1.0% water-loss reducer of soil (SAP) of addition and soil binder (PAM) during closing.
3rd step：Selected mining area is abandoned mine after the exploitation in Chaohu skirmisher town.Select plating of the specification for 2m*20m
Zinc-iron silk screen, Mesh Diameter 5cm, between adjacent wire netting docking be layered on the exposed place in mining area, be not required to overlap.Then sieve is used
Line steel is inserted into as anchor pole in anchor hole, and is poured into cement mortar and be fixed.
4th step：The tolerance test of pionner is carried out, the elder generation being suited to local conditions has been filtered out by tolerance test
Cutting edge of a knife or a sword plant, pionner selection two kinds of shrub plants of deer horn paint and porcelain ampelopsis and Horseweed Herb herbaceous plant, ensure plant life
Long diversification and three-dimensional.Selected vegetable seeds is impregnated for 24 hours before vegetable seeds is added, increases the germination percentage of seed.
5th step：Soaked deer horn paint, porcelain ampelopsis and Horseweed Herb vegetable seeds and fermented sludge and sand are made
Mixed substrate merged, sowed grass seeds by duster using sprinkling system and substrate and the plant of 5-10cm be made on fixed wire netting
Generating layer makes matrix form an overall plate on ore deposit soil surface, and building one and can allowing growth and development of plants and makes planting matrix
Matter is not washed and in porous rock-steady structure, achievees the purpose that revegetation, landscape improve.
6th step：After more than mining area vegetation recovery scenario is implemented, by setting 3 monitoring sites：Upward slope, mesoslope and descending,
It is higher than normal soil to monitor its organic matter and nutrient content.After the growth in one period, vegetation coverage reaches
More than 80%, the biomass of plant is relatively better, and the matrix sowed grass seeds by duster is steady under the action of the growth and extension of root system of plant
Solidity is good, is conducive to continued propagation and the growth of plant.
Embodiment 2
Using method similar to Example 1, the difference lies in：
(1) mass ratio of aerobic fermentation sludge and rich cellulose-containing auxiliary material is 4:1；
(2) mass ratio of compost sludge and sandy soil is 1:4, wherein in sandy soil comprising more than 80% grain size 0.2~
The sand grains of 1.5mm and less than 20% clay；
(3) additive amount of water-retaining agent is the 0.3% of artificial soil matrix, and the additive amount of bioadhesive is artificial soil base
The 0.5% of matter；
(4) soaking time of seed is for 24 hours, the additive amount of vegetable seeds is 30 grass-seeds/kilogram artificial soil matrix.
Empirical tests, after more than mining area vegetation recovery scenario is implemented, by setting 3 monitoring sites：Go up a slope, mesoslope and under
It is higher than normal soil to monitor its organic matter and available nutrient content for slope.After the growth in 3 months periods, vegetation coverage
Reach more than 75%, planted herbaceous plant and grow fine, jaundice, withered phenomenon do not occurred.And the matrix sowed grass seeds by duster is in plant
Stability is good under the action of the growth and extension of root system, is conducive to continued propagation and the growth of plant.
Embodiment 3
Using method similar to Example 1, the difference lies in：
(1) mass ratio of aerobic fermentation sludge and rich cellulose-containing auxiliary material is 6:1；
(2) mass ratio of compost sludge and sandy soil is 1:6, wherein in sandy soil comprising more than 80% grain size 0.2~
The sand grains of 1.5mm and less than 20% clay；
(3) additive amount of water-retaining agent is the 0.6% of artificial soil matrix, and the additive amount of bioadhesive is artificial soil base
The 1% of matter；
(4) soaking time of seed is 20h, and the additive amount of vegetable seeds is 50 grass-seeds/kilogram artificial soil matrix.
Empirical tests, after more than mining area vegetation recovery scenario is implemented, by setting 3 monitoring sites：Go up a slope, mesoslope and under
It is higher than normal soil to monitor its organic matter and available nutrient content for slope.After the growth in 3 months periods, vegetation coverage
Reach more than 78%, planted herbaceous plant and grow fine, jaundice, withered phenomenon do not occurred.And the matrix sowed grass seeds by duster is in plant
Stability is good under the action of the growth and extension of root system, is conducive to continued propagation and the growth of plant.
Claims (9)
1. a kind of strengthen the multiple green method of abandoned mine using stabilisation sludge, which is characterized in that includes the following steps：
(1) compost sludge is made in aerobic fermentation sludge and rich cellulose-containing auxiliary material hybrid concurrency ferment, is mixed after air-drying with sandy soil
It closes, and adds water-retaining agent and adhesive, obtain artificial soil matrix after mixing；
(2) it is uniformly mixed in artificial soil matrix after vegetable seeds is pre-processed；
(3) wire netting is laid on abandoned mine surface to be green, then will be laid with sprinkled with the artificial soil matrix of vegetable seeds
On wire netting.
It is 2. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The aerobic fermentation sludge and the mass ratio of rich cellulose-containing auxiliary material are (4~6):1.
It is 3. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
Using the aerobic fermentation process covered based on film, fermentation period is 28~35 days for the fermentation.
It is 4. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The compost sludge and the mass ratio of sandy soil are 1:(3~5), in the sandy soil comprising more than 80% sand grains and 20% with
Under clay, the grain size of the sand grains is 0.2~1.5mm, and the grain size of the clay is 0.005~0.05mm.
It is 5. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The additive amount of the water-retaining agent and adhesive is the 0.3%~0.6% and 0.5%~1% of artificial soil matrix quality.
It is 6. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The vegetable seeds is the seed of pionner, the pretreatment be vegetable seeds is impregnated 18~for 24 hours, and according to 30~
The application rate of 50 vegetable seeds/kilogram artificial soil matrix is uniformly blended in artificial soil matrix.
It is 7. according to claim 6 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The pionner includes one or more of deer horn paint, porcelain ampelopsis or Horseweed Herb.
It is 8. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The wire netting is galvanized wire mesh, and passes through anchor pole and be fixed, and the slope ratio for being laid with the abandoned mine of wire netting is 1：(1
~1.5).
It is 9. according to claim 1 a kind of using the multiple green method of stabilisation sludge reinforcing abandoned mine, which is characterized in that
The laying depth of the artificial soil matrix is 5~10cm.
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Cited By (12)
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| CN109089453A (en) * | 2018-08-23 | 2018-12-28 | 大连地拓环境科技有限公司 | A kind of abandoned mine is reclaimed as the soil system reconstructing method in forest land |
| CN109451906A (en) * | 2018-11-16 | 2019-03-12 | 遵义师范学院 | A kind of manganese tailing mining area restorative procedure |
| CN109983976A (en) * | 2019-04-25 | 2019-07-09 | 邱建成 | Ecological restoration of mine method |
| CN110092555A (en) * | 2019-05-23 | 2019-08-06 | 上海勘测设计研究院有限公司 | A kind of pollution waste sludge solidification and stabilization processing method, product and application |
| CN110140602A (en) * | 2019-06-14 | 2019-08-20 | 国家能源投资集团有限责任公司 | The method of arid biogeographic zone coal field revegetation |
| CN111699946A (en) * | 2020-06-23 | 2020-09-25 | 深圳富达金技术有限公司 | Preparation method of novel matrix material for planting lawn on cement wall surface |
| CN111727692A (en) * | 2020-06-29 | 2020-10-02 | 新疆永林水草生态研究有限公司 | Artificial seed bank for ecological restoration of mine land vegetation in arid desert region and preparation method thereof |
| CN111957737A (en) * | 2020-08-31 | 2020-11-20 | 福建陆海生态科技中心有限公司 | Method for improving soil fertility by utilizing mine sludge |
| CN113149757A (en) * | 2021-04-15 | 2021-07-23 | 沈阳大学 | Method for preparing ecological restoration nutritive cube based on sludge quality of town sludge compost |
| CN113617827A (en) * | 2021-06-30 | 2021-11-09 | 中冶成都勘察研究总院有限公司 | Method for improving mine restoration soil layer structure |
| CN113875344A (en) * | 2021-09-28 | 2022-01-04 | 信息产业部电子综合勘察研究院 | Ecological restoration method for coal mine mountain geological environment |
| CN114223343A (en) * | 2021-11-04 | 2022-03-25 | 中国科学院广州地球化学研究所 | Ecological management method for rare earth tailings restoration |
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Cited By (14)
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|---|---|---|---|---|
| CN109089453A (en) * | 2018-08-23 | 2018-12-28 | 大连地拓环境科技有限公司 | A kind of abandoned mine is reclaimed as the soil system reconstructing method in forest land |
| CN109451906A (en) * | 2018-11-16 | 2019-03-12 | 遵义师范学院 | A kind of manganese tailing mining area restorative procedure |
| CN109983976B (en) * | 2019-04-25 | 2021-09-03 | 邱建成 | Mine ecological restoration method |
| CN109983976A (en) * | 2019-04-25 | 2019-07-09 | 邱建成 | Ecological restoration of mine method |
| CN110092555A (en) * | 2019-05-23 | 2019-08-06 | 上海勘测设计研究院有限公司 | A kind of pollution waste sludge solidification and stabilization processing method, product and application |
| CN110140602A (en) * | 2019-06-14 | 2019-08-20 | 国家能源投资集团有限责任公司 | The method of arid biogeographic zone coal field revegetation |
| CN110140602B (en) * | 2019-06-14 | 2022-02-11 | 国家能源投资集团有限责任公司 | Method for recovering vegetation in coal mine area of arid area |
| CN111699946A (en) * | 2020-06-23 | 2020-09-25 | 深圳富达金技术有限公司 | Preparation method of novel matrix material for planting lawn on cement wall surface |
| CN111727692A (en) * | 2020-06-29 | 2020-10-02 | 新疆永林水草生态研究有限公司 | Artificial seed bank for ecological restoration of mine land vegetation in arid desert region and preparation method thereof |
| CN111957737A (en) * | 2020-08-31 | 2020-11-20 | 福建陆海生态科技中心有限公司 | Method for improving soil fertility by utilizing mine sludge |
| CN113149757A (en) * | 2021-04-15 | 2021-07-23 | 沈阳大学 | Method for preparing ecological restoration nutritive cube based on sludge quality of town sludge compost |
| CN113617827A (en) * | 2021-06-30 | 2021-11-09 | 中冶成都勘察研究总院有限公司 | Method for improving mine restoration soil layer structure |
| CN113875344A (en) * | 2021-09-28 | 2022-01-04 | 信息产业部电子综合勘察研究院 | Ecological restoration method for coal mine mountain geological environment |
| CN114223343A (en) * | 2021-11-04 | 2022-03-25 | 中国科学院广州地球化学研究所 | Ecological management method for rare earth tailings restoration |
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Application publication date: 20180706 |