CN110424364A - In-situ ionic rare earth soaks mine abandoned mine ecological recovery method and its recovery system - Google Patents
In-situ ionic rare earth soaks mine abandoned mine ecological recovery method and its recovery system Download PDFInfo
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- CN110424364A CN110424364A CN201910425806.8A CN201910425806A CN110424364A CN 110424364 A CN110424364 A CN 110424364A CN 201910425806 A CN201910425806 A CN 201910425806A CN 110424364 A CN110424364 A CN 110424364A
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- rare earth
- soaks
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- 238000011084 recovery Methods 0.000 title claims abstract description 44
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 33
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 33
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000002689 soil Substances 0.000 claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 23
- 239000002352 surface water Substances 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 11
- 230000004888 barrier function Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003463 adsorbent Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 12
- 239000003344 environmental pollutant Substances 0.000 claims description 9
- 231100000719 pollutant Toxicity 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- 239000000440 bentonite Substances 0.000 claims description 4
- 229910000278 bentonite Inorganic materials 0.000 claims description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 238000002386 leaching Methods 0.000 abstract description 6
- 238000005728 strengthening Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000005325 percolation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010007247 Carbuncle Diseases 0.000 description 1
- ANJAWHGPDIOZME-UHFFFAOYSA-N [Pb].[N].N Chemical compound [Pb].[N].N ANJAWHGPDIOZME-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/005—Soil-conditioning by mixing with fibrous materials, filaments, open mesh or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of in-situ ionic rare earth leaching mine abandoned mine ecological recovery method and its recovery systems, in-situ ionic rare earth soaks mine abandoned mine ecological recovery method the following steps are included: strengthening its overland flow of the abandoned mine, to prevent from infiltering inside the abandoned mine under surface water；In abandoned mine surface planting plants, to form covering barrier surface layer on the abandoned mine surface, to prevent soil loss；Intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine；Permeable reactive wall is constructed at its mountain bottom of the abandoned mine, to prevent its percolate of the abandoned mine excessive；Silt buffer area is set between the abandoned mine and the permeable reactive wall；Processing is collected to from the Liquid Residue of the abandoned mine.To solve the problems, such as in-situ ionic rare earth leaching mine abandoned mine ecological pollution in the prior art.
Description
Technical field
The present invention relates to ecological restoration technical fields, and in particular to a kind of in-situ ionic rare earth leaching mine abandoned mine ecology
Restoration methods and its recovery system.
Background technique
In the 1970s, ion type rareearth uses " removing mountain " formula to exploit substantially, i.e., by the vegetation on mine surface layer and soil
All removings obtain raw ore, initial soil layer are caused all to be destroyed.After rare earth has been adopted, mine (is spent with exposed bedrock layer
Hilllock rock weathering crust) form receive nature and degrade.Since 90 years 20th century, it is dilute that leaching mine technology in situ is widely used in ionic
Sulfuric acid is pressed and sulfuric acid ore leachate passes through fluid injection well injection mine soil, Extraction of rare earth by the exploitation of soil.Excessive sulfuric acid is pressed and sulfuric acid
Ore leachate changes the geochemical environment in mine, accelerates the deterioration of mine environment, so that mine is integrally acidified, soil is poor
Carbuncle, the enrichment of Deep Orebodies ammonia nitrogen lead to that mining area ravines and guillies criss-cross, chemical contamination be serious, the regional vegetation of soil fail is difficult to survive.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of in-situ ionic rare earths to soak mine abandoned mine ecological recovery method
And its recovery system, to solve the problems, such as in-situ ionic rare earth leaching mine abandoned mine ecological pollution in the prior art.
The embodiment of the invention provides a kind of in-situ ionic rare earths to soak mine abandoned mine ecological recovery method, including following
Step:
Strengthen its overland flow of the abandoned mine, to prevent from infiltering inside the abandoned mine under surface water；
In abandoned mine surface planting plants, to form covering barrier surface layer on the abandoned mine surface, to prevent soil
Earth is lost；
Intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine；
Permeable reactive wall is constructed at its mountain bottom of the abandoned mine, to prevent its percolate of the abandoned mine excessive；
Silt buffer area is set between the abandoned mine and the permeable reactive wall；
Processing is collected to from the Liquid Residue of the abandoned mine.The percolate is the seepage flow in precipitation and underground water
A kind of liquid of the organic or inorganic composition of high concentration is produced under effect；The Liquid Residue is the dirt inside the abandoned mine
Dye liquor.
It is described to from the Liquid Residue of the abandoned mine be collected processing the following steps are included:
Extract the Liquid Residue inside the abandoned mine；
Rare-earth precipitation processing is carried out to the Liquid Residue；
Adsorption treatment is carried out to the Liquid Residue.
It is described to from the Liquid Residue of the abandoned mine be collected processing the following steps are included:
Injected clear water inside to the abandoned mine makes Liquid Residue exudation inside the abandoned mine, flows to institute
Permeable reactive wall is stated to by the permeable reactive wall adsorption treatment.
The intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine the following steps are included:
The Sand-fixation net for preventing sand running-down is arranged on the abandoned mine surface and/or depth direction.
The Sand-fixation net is arranged in its completely decomposed layer marginal position of the abandoned mine.
It is described to strengthen described its overland flow of abandoned mine, to prevent from infiltering under surface water into packet inside the abandoned mine
It includes:
Surface curing agent is added on the abandoned mine；
At least one rain water reservoir is set on the abandoned mine.
A kind of in-situ ionic rare earth leaching mine abandoned mine ecological recovery recovery system, comprising:
It is planted in the plant on abandoned mine surface；
The Sand-fixation net arranged on the abandoned mine surface and/or depth direction for preventing sand running-down is set；
The permeable reactive wall at its mountain bottom of the abandoned mine is set, and the permeable reactive wall is for preventing the discarded mine
Its percolate of mountain is excessive；
Silt buffer area between its massif of the abandoned mine and the permeable reactive wall is set.
The permeable reactive wall includes the top section more than earth's surface and the lower layer in the soil of the earth's surface
Part.
The adsorbent material for adsorbing pollutant in the percolate is provided between the grid of the Sand-fixation net.
The adsorbent material is zeolite and/or bentonite.
The silt buffer area is that angle with horizontal plane is 0 degree to 30 degree inclined slope.
Technical solution of the present invention has the advantages that
1. in-situ ionic rare earth provided by the invention soaks mine abandoned mine ecological recovery method, comprising the following steps: strong
Change its overland flow of the abandoned mine, to prevent from infiltering inside the abandoned mine under surface water；On abandoned mine surface
Planting plants, to form covering barrier surface layer on the abandoned mine surface, to prevent soil loss；On the abandoned mine
Arrange the intermediate stable layer for preventing soil loss；Permeable reactive wall is constructed at its mountain bottom of the abandoned mine, to prevent
It is excessive to state abandoned mine its percolate；Silt buffer area is set between the abandoned mine and the permeable reactive wall；To institute
It states the Liquid Residue inside abandoned mine and is collected processing.Can effectively it be prevented by strengthening described its overland flow of abandoned mine
Only infiltered under surface water inside the abandoned mine；By being obstructed in abandoned mine surface planting plants with forming covering
Surface layer can be effectively prevented soil losses；Absorption processing effectively can be carried out to percolate by permeable reactive wall, prevented
The abandoned mine excessive problem of its percolate under the seepage effect of precipitation and underground water.
2. in-situ ionic rare earth provided by the invention soaks mine abandoned mine ecological recovery method, described in the discarded mine
Intermediate stable layer of the arrangement for preventing soil loss is the following steps are included: in the abandoned mine surface and/or depth on mountain
The Sand-fixation net for preventing sand running-down is arranged on direction.It is used for by being simutaneously arranged on abandoned mine surface and depth direction
The Sand-fixation net of sand running-down is prevented, can be wrapped up the sandy soil on abandoned mine surface inside above-mentioned Sand-fixation net embedment abandoned mine,
The problem of to be effectively prevented sandslide.
3. in-situ ionic rare earth provided by the invention soaks mine abandoned mine ecological recovery method, described to strengthen described discard
Its overland flow of mine includes: to add on the abandoned mine to prevent from infiltering under surface water inside the abandoned mine
Surface curing agent；The rain water reservoir being arranged on the abandoned mine.Rain water reservoir is multiple height along abandoned mine
Direction and circumferential direction arrangement.Rainwater can be effectively collected by above-mentioned rain water reservoir, prevents rainwater from penetrating into discarded mine
Inside mountain.
4. in-situ ionic rare earth provided by the invention soaks mine abandoned mine ecological recovery recovery system, the permeable reactive
Wall includes the top section more than earth's surface and the underclad portion in the soil of the earth's surface.By by permeable reactive wall
It is separately positioned in the soil of ground or more and below ground, is overflowed so as to be effectively prevented inside the abandoned mine
Liquid Residue and the excessive pollution environment of percolate that is generated under the seepage effect of precipitation and underground water.
5. in-situ ionic rare earth provided by the invention soaks mine abandoned mine ecological recovery recovery system, the Sand-fixation net
The adsorbent material for adsorbing pollutant in the percolate is provided between grid.By being arranged between the grid of Sand-fixation net
For adsorbing the adsorbent material of pollutant in the percolate, so as to the pollutant in effectively adsorptive percolation liquid.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that in-situ ionic rare earth provided in an embodiment of the present invention soaks mine abandoned mine ecological recovery recovery system solid
Structure chart.
Description of symbols:
1- abandoned mine；2- covering barrier surface layer；3- permeable reactive wall；4- silt buffer area；5- Sand-fixation net；6- completely decomposed
Layer；Half weathered layer of 7-；8- horizon d；9- top section；10- underclad portion.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
The embodiment of the invention provides a kind of in-situ ionic rare earths to soak mine abandoned mine ecological recovery recovery system, such as schemes
Shown in 1 comprising:
It is planted in the plant on 1 surface of abandoned mine；
The Sand-fixation net 5 arranged on 1 surface of abandoned mine and/or depth direction for preventing sand running-down is set；
The permeable reactive wall 3 at its mountain bottom of abandoned mine 1 is set, and the permeable reactive wall 3 is described useless for preventing
Its percolate of barrow mountain 1 is excessive；
Silt buffer area 4 between described its massif of abandoned mine 1 and the permeable reactive wall 3 is set.Pass through reinforcing
Described its overland flow of abandoned mine 1, which can be effectively prevented under surface water, to be infiltered inside the abandoned mine 1；By institute
1 surface planting plants of abandoned mine are stated to form covering barrier surface layer 2, soil losses can be effectively prevented；It is anti-by permeating
It answers wall 3 effectively can carry out absorption processing to percolate, prevents the abandoned mine 1 in the seepage effect of precipitation and underground water
The excessive problem of its lower percolate.
In the present embodiment, abandoned mine 1 includes horizon d 8, half weathered layer 7 and completely decomposed layer 6 from the inside to the outside.
In the present embodiment, the permeable reactive wall 3 includes being located at the top section 9 of earth's surface or more and positioned at the earth's surface
Soil in underclad portion 10.By the way that permeable reactive wall 3 is separately positioned in the soil of ground or more and below ground,
So as to be effectively prevented the Liquid Residue overflowed inside the abandoned mine 1 and under the seepage effect of precipitation and underground water
The excessive pollution environment of the percolate of generation.It is provided between the grid of the Sand-fixation net 5 and is polluted for adsorbing in the percolate
The adsorbent material of object.By the way that the adsorbent material for adsorbing pollutant in the percolate is arranged between the grid of Sand-fixation net 5,
So as to the pollutant in effectively adsorptive percolation liquid.The adsorbent material is zeolite and bentonite.The silt buffer area 4
It is 0 degree to 30 degree inclined slope for angle with horizontal plane.
In-situ ionic rare earth soaks mine abandoned mine ecological recovery method, comprising the following steps:
Strengthen described its overland flow of abandoned mine 1, to prevent from infiltering under surface water inside the abandoned mine 1；
In 1 surface planting plants of abandoned mine, to form covering barrier surface layer 2 on 1 surface of abandoned mine, to prevent
Soil losses；
Intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine 1；
Permeable reactive wall 3 is constructed at its mountain bottom of the abandoned mine 1, to prevent described its percolate of abandoned mine 1 excessive；
Silt buffer area 4 is set between the abandoned mine 1 and the permeable reactive wall 3；
Processing is collected to from the Liquid Residue of the abandoned mine 1.The percolate is the infiltration in precipitation and underground water
A kind of liquid of the organic or inorganic composition of high concentration is produced under stream effect；The Liquid Residue is inside the abandoned mine 1
Contaminated liquid.
Wherein, to from the Liquid Residue of the abandoned mine 1 be collected processing the following steps are included:
Extract the Liquid Residue inside the abandoned mine 1；
Rare-earth precipitation processing is carried out to the Liquid Residue；
Adsorption treatment is carried out to the Liquid Residue.
Wherein, the intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine 1 includes following step
It is rapid:
The Sand-fixation net 5 for preventing sand running-down is arranged on 1 surface of abandoned mine and depth direction.And it is described solid
Husky net 5 is arranged in its 6 marginal position of completely decomposed layer of the abandoned mine 1.By same on 1 surface of abandoned mine and depth direction
When arrange the Sand-fixation net 5 for preventing sand running-down, above-mentioned Sand-fixation net 5 is embedded to can be by 1 table of abandoned mine inside abandoned mine 1
The sandy soil in face wrap up, thus the problem of being effectively prevented sandslide.
Wherein, described to strengthen described its overland flow of abandoned mine 1, to prevent from infiltering under surface water into the abandoned mine
Include: inside 1
Surface curing agent is added on the abandoned mine 1；
Rain water reservoir is set on the abandoned mine 1.Rain water reservoir is multiple short transverses along abandoned mine 1
And circumferential direction arrangement.Rainwater can be effectively collected by above-mentioned rain water reservoir, prevents rainwater from penetrating into abandoned mine 1
Portion.
Embodiment 2
The embodiment of the invention provides a kind of in-situ ionic rare earths to soak mine abandoned mine ecological recovery recovery system, such as schemes
Shown in 1 comprising:
It is planted in the plant on 1 surface of abandoned mine；
The Sand-fixation net 5 arranged on 1 surface of abandoned mine and/or depth direction for preventing sand running-down is set；
The permeable reactive wall 3 at its mountain bottom of abandoned mine 1 is set, and the permeable reactive wall 3 is described useless for preventing
Its percolate of barrow mountain 1 is excessive；
Silt buffer area 4 between described its massif of abandoned mine 1 and the permeable reactive wall 3 is set.Pass through reinforcing
Described its overland flow of abandoned mine 1, which can be effectively prevented under surface water, to be infiltered inside the abandoned mine 1；By institute
1 surface planting plants of abandoned mine are stated to form covering barrier surface layer 2, soil losses can be effectively prevented；It is anti-by permeating
It answers wall 3 effectively can carry out absorption processing to percolate, prevents the abandoned mine 1 in the seepage effect of precipitation and underground water
The excessive problem of its lower percolate.
In the present embodiment, the permeable reactive wall 3 includes being located at the top section 9 of earth's surface or more and positioned at the earth's surface
Soil in underclad portion 10.By the way that permeable reactive wall 3 is separately positioned in the soil of ground or more and below ground,
So as to be effectively prevented the Liquid Residue overflowed inside the abandoned mine 1 and under the seepage effect of precipitation and underground water
The excessive pollution environment of the percolate of generation.It is provided between the grid of the Sand-fixation net 5 and is polluted for adsorbing in the percolate
The adsorbent material of object.By the way that the adsorbent material for adsorbing pollutant in the percolate is arranged between the grid of Sand-fixation net 5,
So as to the pollutant in effectively adsorptive percolation liquid.The adsorbent material is zeolite and bentonite.The silt buffer area 4
It is 0 degree to 30 degree inclined slope for angle with horizontal plane.
In-situ ionic rare earth soaks mine abandoned mine ecological recovery method, comprising the following steps:
Strengthen described its overland flow of abandoned mine 1, to prevent from infiltering under surface water inside the abandoned mine 1；
In 1 surface planting plants of abandoned mine, to form covering barrier surface layer 2 on 1 surface of abandoned mine, to prevent
Soil losses；
Intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine 1；
Permeable reactive wall 3 is constructed at its mountain bottom of the abandoned mine 1, to prevent described its percolate of abandoned mine 1 excessive；
Silt buffer area 4 is set between the abandoned mine 1 and the permeable reactive wall 3；
Processing is collected to from the Liquid Residue of the abandoned mine 1.The percolate is the infiltration in precipitation and underground water
A kind of liquid of the organic or inorganic composition of high concentration is produced under stream effect；The Liquid Residue is inside the abandoned mine 1
Contaminated liquid.
Wherein, it is described to from the Liquid Residue of the abandoned mine 1 be collected processing the following steps are included:
It to the 1 inside injected clear water of abandoned mine, oozes out the Liquid Residue inside the abandoned mine 1, flows to
The permeable reactive wall 3 is to by 3 adsorption treatment of permeable reactive wall.
Wherein, the intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine 1 includes following step
It is rapid:
The Sand-fixation net 5 for preventing sand running-down is arranged on 1 surface of abandoned mine and depth direction.And it is described solid
Husky net 5 is arranged in its 6 marginal position of completely decomposed layer of the abandoned mine 1.By same on 1 surface of abandoned mine and depth direction
When arrange the Sand-fixation net 5 for preventing sand running-down, above-mentioned Sand-fixation net 5 is embedded to can be by 1 table of abandoned mine inside abandoned mine 1
The sandy soil in face wrap up, thus the problem of being effectively prevented sandslide.
Wherein, described to strengthen described its overland flow of abandoned mine 1, to prevent from infiltering under surface water into the abandoned mine
Include: inside 1
Surface curing agent is added on the abandoned mine 1；
Rain water reservoir is set on the abandoned mine 1.Rain water reservoir is multiple short transverses along abandoned mine 1
And circumferential direction arrangement.Rainwater can be effectively collected by above-mentioned rain water reservoir, prevents rainwater from penetrating into abandoned mine 1
Portion.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case where various modifications and variations can be made, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (11)
1. a kind of in-situ ionic rare earth soaks mine abandoned mine ecological recovery method, which comprises the following steps:
Strengthen the abandoned mine (1) its overland flow, it is internal into the abandoned mine (1) to prevent from infiltering under surface water；
In abandoned mine (1) surface planting plants, to form covering barrier surface layer (2) on the abandoned mine (1) surface, to prevent
Only soil losses；
Intermediate stable layer of the arrangement for preventing soil loss on the abandoned mine (1)；
Permeable reactive wall (3) are constructed at its mountain bottom of the abandoned mine (1), to prevent outside the abandoned mine (1) its percolate
It overflows；
Silt buffer area (4) are set between the abandoned mine (1) and the permeable reactive wall (3)；
Processing is collected to from the Liquid Residue of the abandoned mine (1).
2. in-situ ionic rare earth according to claim 1 soaks mine abandoned mine ecological recovery method, which is characterized in that institute
State to from the Liquid Residue of the abandoned mine (1) be collected processing the following steps are included:
Extract the internal Liquid Residue of the abandoned mine (1)；
Rare-earth precipitation processing is carried out to the Liquid Residue；
Adsorption treatment is carried out to the Liquid Residue.
3. in-situ ionic rare earth according to claim 1 soaks mine abandoned mine ecological recovery method, which is characterized in that institute
State to from the Liquid Residue of the abandoned mine (1) be collected processing the following steps are included:
To the internal injected clear water of the abandoned mine (1), ooze out the Liquid Residue inside the abandoned mine (1), flow direction
The permeable reactive wall (3) is to by the permeable reactive wall (3) adsorption treatment.
4. in-situ ionic rare earth according to claim 1 soaks mine abandoned mine ecological recovery method, which is characterized in that institute
State on the abandoned mine (1) intermediate stable layer of the arrangement for preventing soil loss the following steps are included:
The Sand-fixation net (5) for preventing sand running-down is arranged on the abandoned mine (1) surface and/or depth direction.
5. in-situ ionic rare earth according to claim 4 soaks mine abandoned mine ecological recovery method, which is characterized in that institute
Sand-fixation net (5) are stated to be arranged in its completely decomposed layer (6) marginal position of the abandoned mine (1).
6. in-situ ionic rare earth according to claim 1 soaks mine abandoned mine ecological recovery method, which is characterized in that institute
It states and strengthens described its overland flow of abandoned mine (1), include: into the abandoned mine (1) inside to prevent from infiltering under surface water
Surface curing agent is added on the abandoned mine (1)；
At least one rain water reservoir is set on the abandoned mine (1).
7. a kind of in-situ ionic rare earth soaks mine abandoned mine ecological recovery recovery system characterized by comprising
It is planted in the plant on abandoned mine (1) surface；
The Sand-fixation net (5) arranged for preventing sand running-down is set on the abandoned mine (1) surface and/or depth direction；
Permeable reactive wall (3) at the abandoned mine (1) its mountain bottom is set, and the permeable reactive wall (3) is described for preventing
Abandoned mine (1) its percolate is excessive；
The silt buffer area (4) being arranged between the abandoned mine (1) its massif and the permeable reactive wall (3).
8. in-situ ionic rare earth according to claim 7 soaks mine abandoned mine ecological recovery recovery system, feature exists
In the permeable reactive wall (3) includes the top section (9) more than earth's surface and the lower layer in the soil of the earth's surface
Partially (10).
9. in-situ ionic rare earth according to claim 7 soaks mine abandoned mine ecological recovery recovery system, feature exists
In being provided with the adsorbent material for adsorbing pollutant in the percolate between the grid of the Sand-fixation net (5).
10. in-situ ionic rare earth according to claim 9 soaks mine abandoned mine ecological recovery recovery system, feature exists
In the adsorbent material is zeolite and/or bentonite.
11. in-situ ionic rare earth according to claim 7 soaks mine abandoned mine ecological recovery recovery system, feature exists
In the silt buffer area (4) is that angle with horizontal plane is 0 degree to 30 degree inclined slope.
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| CN113875509A (en) * | 2021-08-23 | 2022-01-04 | 中南林业科技大学 | Ecological restoration structure and method for rapid greening of slope of mountain wind power plant |
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