CN110192453A - A method of for Abandoned Land of Mine plant culture - Google Patents
A method of for Abandoned Land of Mine plant culture Download PDFInfo
- Publication number
- CN110192453A CN110192453A CN201910528898.2A CN201910528898A CN110192453A CN 110192453 A CN110192453 A CN 110192453A CN 201910528898 A CN201910528898 A CN 201910528898A CN 110192453 A CN110192453 A CN 110192453A
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- China
- Prior art keywords
- water
- soil
- mine
- abandoned land
- carbonization
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 235000016709 nutrition Nutrition 0.000 claims abstract description 16
- 230000035764 nutrition Effects 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 210000003608 fece Anatomy 0.000 claims abstract description 11
- 239000010871 livestock manure Substances 0.000 claims abstract description 11
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 30
- 239000002121 nanofiber Substances 0.000 claims description 27
- 238000003763 carbonization Methods 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 17
- 238000007334 copolymerization reaction Methods 0.000 claims description 16
- 239000010802 sludge Substances 0.000 claims description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 10
- 230000008439 repair process Effects 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 238000002166 wet spinning Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004083 survival effect Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 25
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- -1 pH value Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000003802 soil pollutant Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
- A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Botany (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Soil Sciences (AREA)
- Mycology (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Public Health (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Cultivation Of Plants (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of methods for Abandoned Land of Mine plant culture, the following steps are included: the rubble on Abandoned Land of Mine surface and rubbish are cleared up, is smooth, spray liquid manure maintenance, it is laid with multifunctional ceiling membrane, water-absorption particle is sprinkled into prefabricated tailing Nutrition Soil, stirring is integrally laid with after being evenly distributed to water-absorption particle, is transplanted and is suitble to mine growing plants, and the soil surface after plant is laid with cover plate.The present invention uses homemade multifunctional ceiling membrane, in conjunction with the design of high-hydroscopicity cation exchange resin and selective water permeable membrane, lower part, middle part and top applied to plant setting system, a kind of excellent liquid manure and soil environment are provided for Abandoned Land of Mine plant setting, it ensure that the increment and survival rate of plant, with at low cost, high treating effect, structure is simple, anti-liquid manure is lost and the advantages such as without secondary pollution, is a kind of environmentally friendly recovery technique.
Description
Technical field
The present invention relates to environmental protection and field of plant cultivation, specifically a kind of side for Abandoned Land of Mine plant culture
Method.
Background technique
Currently, the reparation of Abandoned Land of Mine usually uses phytoremediation means, but after most Abandoned Land of Mine phytoremediations
There is phenomena such as vegetation growth is short and small, biomass and survival rate are low, main cause is as follows: first is that the soil of Abandoned Land of Mine
Soil property is more compared to normal soil pollutant, including heavy metal pollution and chemical agent pollution, and to push away long-pending object thicker for soil surface,
Cause plant absorption to its survival rate of a large amount of pollutant effect；Second is that Abandoned Land of Mine underground water source often supplies deficiency, and
The water source of supply is contaminated water degradation after the pollution of object, while native table moisture is evaporated, and leads to water uptake by plant roots not
Foot, increment not can guarantee；Third is that soil needed for Abandoned Land of Mine phytoremediation directly takes soil to be not processed nearby, soil quality
Poor retain water and nutrients ability is lower, and nutrient loss is big in soil and nutrition supply is insufficient.
Meanwhile existing mine plant restoration method majority is directly transplanted after the earthing of Abandoned Land of Mine surface, it is right
It is more in those pollutant kinds, the more complex Abandoned Land of Mine of chemical property, isolator to descend pollution sources to ground flora
It influences, also only simply the soil body material of covering is optimized, the adsorption by soil after optimization is relatively single, loses water conservation
Fertilizer-preserving ability, and can not be handled for multiple pollutant, thus cannot be guaranteed the long-time stability that plant grows herein, number
Due to the loss of soil liquid manure, pH value, pollutant effects after year, the reparation energy after plant setting to soil has been seriously affected
Power and repairing effect to landscape.
Summary of the invention
The purpose of the present invention is to provide a kind of methods for Abandoned Land of Mine plant culture, to solve above-mentioned background skill
The problem of art.
The technical scheme of the present invention is realized as follows:
A method of for Abandoned Land of Mine plant culture, comprising the following steps:
(1) rubble on Abandoned Land of Mine surface and rubbish are cleared up, is smooth；
(2) it carries out the smooth rear soil of step (1) to spray liquid manure, conserve 1~3 day；
(3) soil surface is laid with multifunctional ceiling membrane after step (2) processing；
(4) water-absorption particle is sprinkled into prefabricated tailing Nutrition Soil, stirring is evenly distributed to water-absorption particle, is integrally layed in step
Suddenly (3) treated soil surface, laying depth is 50 cm ~ 70cm；
(5) it is transplanted in the soil that step (4) is handled well and is suitble to mine growing plants in repair；
(6) soil surface after step (5) plant is laid with cover plate.
Preferably, step (3) the multifunctional ceiling membrane is that the nanofiber that is carbonized is copolymerized using pretreatment as membrane matrix material,
Using modified fibre crude granule as functional particles filler material.
Preferably, step (3) the multifunctional ceiling membrane is prepared by the following steps:
I. be (6-8) according to mass ratio by modified fibre crude granule, polyglycereol: 1 mixing is made into dispersion liquid, adjusts dispersion liquor
PH value be 6~8；
II. by step I dispersion liquid carry out ultrasonic agitation 20 min~30min, by the suspension after stirring be warming up to 200 DEG C~
240 DEG C, the h of 2 h~3 is kept the temperature, wait be cooled to 60 DEG C~80 DEG C, sprinkle is copolymerized on carbonization nanofiber in pretreatment, obtains more function
It can adsorbed film.
Preferably, the pretreatment copolymerization carbonization nanofiber is prepared by the following steps:
A. it is (1-5) according to mass parts ratio by Kynoar, polyacrylonitrile, polyacrylonitrile block, polymethyl methacrylate:
(1-10): (1-3): (1-10) is mixed, and is dissolved in ethyl acetate organic solution, and solution temperature is 45 DEG C~55 DEG C, is added
0.5%~1% polyvinylpyrrolidone, ultrasonic agitation, using the solution spinning of dry-jet wet-spinning, obtains compolymer/nano fiber；
B. step a compolymer/nano fiber is placed in carbonizer, is first passed through 150 DEG C~200 DEG C of carbon source gas and is pre-processed,
1 h~2h is stood, then is passed through 150 DEG C~200 DEG C of nitrogen progress carbonization treatment, obtains copolymerization carbonization nanofiber；
C. step b is copolymerized carbonization nanofiber to be cut out according to construction demand, is cleaned using deionized water to neutral, water-bath
Processing, dries after water-bath, obtains pretreatment copolymerization carbonization nanofiber；
Preferably, the step c bath temperature is 80 DEG C~100 DEG C, and water bath time is 40min~60min.
Preferably, the modified fibre crude granule is prepared by the following steps:
A. 15%~25% sawdust, 25%~35% discarded careless blanket, 15%~25% discarded pericarp, 25%~35% coffee grounds are mixed
It closes, impregnate；
B. the mixture after step A being impregnated is cleaned with clear water, is dried；
C. the dry matter after step B drying is crushed, is sieved with 100 mesh sieve；
D. the stirring of 20% isopropanol, filtering, drying is added in step C screenings；
E. potassium hydroxide being added in the dry matter after step D drying to be stirred, the concentration of potassium hydroxide is 0.05~
0.15mol/L；
F. the mixture after step E stirring filtered, washed, solution pH value is 7 after adjustment washing；
G. mixed liquor after step F washing is filtered, dried, stood；
H. the dry matter addition citric acid after step G standing is stirred, is filtered, is washed, is filtered, is dried, is stood, is granulated,
Grinding obtains modified fibre crude granule.
Preferably, step (3) the multifunctional ceiling membrane is hollow structure, and specific surface area is 1250 m2The m of/g~13002/
G, pore size are 1nm~10nm, and wherein micropore accounts for 70%~80%.
Preferably, step (6) water-absorption particle is high-hydroscopicity cation exchange resin.
Preferably, step (7) the tailing Nutrition Soil is prepared by the following steps:
I. the soil on periphery in repair is carried out 1:1 with neighbouring domestic sludge uniformly to mix, obtains tailings sludge mixture；
II. step I tailings sludge is mixed and carries out acidification, stirring, compression, microwave treatment, obtain tailing Nutrition Soil.
Preferably, step (10) patch material is selective water permeable membrane, which can allow liquid water by film
Upper end flows into film lower end, while guaranteeing that the moisture in soil cannot be evaporated through film.
The invention has the benefit that
1, the present invention uses homemade multifunctional ceiling membrane, in conjunction with high-hydroscopicity cation exchange resin and selective water permeable membrane,
Applied to the lower part, middle part and top of plant setting system, a kind of excellent liquid manure is provided for Abandoned Land of Mine plant setting
And soil environment, it ensure that the increment and survival rate of plant, have that at low cost, high treating effect, structure be simple, anti-liquid manure stream
It the advantages such as becomes estranged without secondary pollution, is a kind of environmentally friendly recovery technique.
2, there is multi-cellular structure using the compolymer/nano fiber of a variety of high molecular materials preparation in the present invention, it is biggish
Specific surface area, micropore is evenly distributed after being carbonized, and has higher adsorption capacity, effective right in this, as membrane matrix material
Each pollutant and heavy metal ion are absorbed, filtered and are isolated in Abandoned Land of Mine.
3, the present invention prepares modified fibre crude granule using agriculture and industry waste, not only consumes agriculture and industry waste, becomes
Waste be changed into values, while modified fibre crude granule is lauched the moisture to earth's surface is sent effectively to be filtered through capillary action over the ground, goes
Organic pollutant in moisture removal provides clean water source environment for ground flora.
4, the tailing, sludge and discarded soil on periphery is utilized in Nutrition Soil used herein, so that waste resource is again
It utilizes, while spreading water-absorption particle in Nutrition Soil, moisture extra in the soil body can be absorbed, be stored, be plant in arid
Period provides water source guarantee.
5, the present invention is laid with the cover plate of Unidirectional water permeable on native surface layer, in day and night temperature biggish season, due to it
The feature of permeable watertight easily assembles aqueous vapor under film, forms the water of crystallization, efficiently uses valuable water resource.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that implement describedly
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
Present embodiments provide a kind of method for Abandoned Land of Mine plant culture, comprising the following steps:
(1) rubble on Abandoned Land of Mine surface and rubbish cleared up, is smooth, spraying liquid manure, being conserved 1 day；
(2) 15% sawdust, 35% discarded careless blanket, 15% discarded pericarp, 35% coffee grounds mixed, impregnated, to mixed after immersion
It closes object to be cleaned, drying, crushed with clear water, sieve with 100 mesh sieve, the stirring of 20% isopropanol, filtering, drying is added in screenings, is added
Potassium hydroxide is stirred, and the concentration of potassium hydroxide is 0.05mol/L, and the mixture after stirring is filtered, is washed, and is adjusted
Solution pH value is 7 after washing, and mixed liquor after washing is filtered, dry, is stood, and citric acid is added in the dry matter after standing
It is stirred, filters, washes, filters, dries, stands, is granulated, obtain modified fibre crude granule；
(3) it is 1:1 according to mass parts ratio by Kynoar, polyacrylonitrile, polyacrylonitrile block, polymethyl methacrylate:
3:10 is mixed, and is dissolved in ethyl acetate organic solution, and solution temperature is 45 DEG C, and 0.5% polyvinylpyrrolidone is added,
Ultrasonic agitation, using the solution spinning of dry-jet wet-spinning, obtains compolymer/nano fiber, places it in carbonizer, be first passed through 150
DEG C carbon source gas pre-processed, stand 1 h, then be passed through 150 DEG C nitrogen carry out carbonization treatment, by obtained copolymerization carbonization receive
Rice fiber, is cut out according to construction demand, is cleaned using deionized water to neutral, water bath processing, and temperature is 80 DEG C, when water-bath
Between be 40min, dried after water-bath, obtain pretreatment copolymerization carbonization nanofiber；
(4) it is that 6:1 mixing is made into dispersion liquid according to mass ratio by step (2) modified fibre crude granule, polyglycereol, adjusts dispersion liquid
The pH value of solution is 6, and 20 min are stirred by ultrasonic, and the suspension after stirring is warming up to 200 DEG C, 2 h are kept the temperature, wait be cooled to 60
DEG C, sprinkle pre-processes copolymerization carbonization nanofiber in step (3), obtains multifunctional ceiling membrane；
(5) use specific surface area for 1250 m2/ g, pore size are 1 nm, and wherein micropore accounts for 70% multifunctional ceiling membrane paving
The soil surface after step (1) processing；
(6) soil on periphery in repair is carried out 1:1 with neighbouring domestic sludge uniformly to mix, obtains tailings sludge mixture,
Tailings sludge is mixed again and carries out acidification, stirring, compression, microwave treatment, obtains tailing Nutrition Soil；
(7) high-hydroscopicity cation exchange resin is sprinkled into prefabricated tailing Nutrition Soil, stirring is equal to water-absorption particle distribution
It is even, it is integrally layed in step (5) treated soil surface, laying depth is 50 cm；
(8) it is transplanted in the soil that step (7) is handled well and is suitble to mine growing plants in repair；
(9) soil surface after step (8) plant is laid with selective water permeable membrane.
Embodiment 2
Present embodiments provide a kind of method for Abandoned Land of Mine plant culture, comprising the following steps:
(1) rubble on Abandoned Land of Mine surface and rubbish cleared up, is smooth, spraying liquid manure, being conserved 2 days；
(2) 20% sawdust, 30% discarded careless blanket, 20% discarded pericarp, 30% coffee grounds mixed, impregnated, to mixed after immersion
It closes object to be cleaned, drying, crushed with clear water, sieve with 100 mesh sieve, the stirring of 20% isopropanol, filtering, drying is added in screenings, is added
Potassium hydroxide is stirred, and the concentration of potassium hydroxide is 0.10mol/L, and the mixture after stirring is filtered, is washed, and is adjusted
Solution pH value is 7 after washing, and mixed liquor after washing is filtered, dry, is stood, and citric acid is added in the dry matter after standing
It is stirred, filters, washes, filters, dries, stands, is granulated, obtain modified fibre crude granule；
(3) it is 3:5 according to mass parts ratio by Kynoar, polyacrylonitrile, polyacrylonitrile block, polymethyl methacrylate:
2:5 is mixed, and is dissolved in ethyl acetate organic solution, and solution temperature is 40 DEG C, and 0.7% polyvinylpyrrolidone is added, and is surpassed
Sound stirring, using the solution spinning of dry-jet wet-spinning, obtains compolymer/nano fiber, places it in carbonizer, be first passed through 180 DEG C
Carbon source gas pre-processed, stand 1.5h, then be passed through 180 DEG C nitrogen carry out carbonization treatment, by obtained copolymerization carbonization receive
Rice fiber, is cut out according to construction demand, is cleaned using deionized water to neutral, water bath processing, and temperature is 90 DEG C, when water-bath
Between be 50min, dried after water-bath, obtain pretreatment copolymerization carbonization nanofiber；
(4) it is that 7:1 mixing is made into dispersion liquid according to mass ratio by step (2) modified fibre crude granule, polyglycereol, adjusts dispersion liquid
The pH value of solution is 7, and 25min is stirred by ultrasonic, and the suspension after stirring is warming up to 220 DEG C, 2.5h is kept the temperature, wait be cooled to 70
DEG C, sprinkle pre-processes copolymerization carbonization nanofiber in step (3), obtains multifunctional ceiling membrane；
(5) use specific surface area for 1270 m2/ g, pore size are 2 nm, and the multifunctional ceiling membrane that wherein micropore accounts for 75% is laid with
The soil surface after step (1) processing；
(6) soil on periphery in repair is carried out 1:1 with neighbouring domestic sludge uniformly to mix, obtains tailings sludge mixture,
Tailings sludge is mixed again and carries out acidification, stirring, compression, microwave treatment, obtains tailing Nutrition Soil；
(7) high-hydroscopicity cation exchange resin is sprinkled into prefabricated tailing Nutrition Soil, stirring is equal to water-absorption particle distribution
It is even, integrally it is layed in step (5) treated soil surface, laying depth 60cm；
(8) it is transplanted in the soil that step (7) is handled well and is suitble to mine growing plants in repair；
(9) soil surface after step (8) plant is laid with selective water permeable membrane.
Embodiment 3
Present embodiments provide a kind of method for Abandoned Land of Mine plant culture, comprising the following steps:
(1) rubble on Abandoned Land of Mine surface and rubbish cleared up, is smooth, spraying liquid manure, being conserved 3 days；
(2) 25% sawdust, 25% discarded careless blanket, 25% discarded pericarp, 25% coffee grounds mixed, impregnated, to mixed after immersion
It closes object to be cleaned, drying, crushed with clear water, sieve with 100 mesh sieve, the stirring of 20% isopropanol, filtering, drying is added in screenings, is added
Potassium hydroxide is stirred, and the concentration of potassium hydroxide is 0.15mol/L, and the mixture after stirring is filtered, is washed, and is adjusted
Solution pH value is 7 after washing, and mixed liquor after washing is filtered, dry, is stood, and citric acid is added in the dry matter after standing
It is stirred, filters, washes, filters, dries, stands, is granulated, obtain modified fibre crude granule；
(3) it is 5:10 according to mass parts ratio by Kynoar, polyacrylonitrile, polyacrylonitrile block, polymethyl methacrylate:
1:1 is mixed, and is dissolved in ethyl acetate organic solution, and solution temperature is 55 DEG C, 1% polyvinylpyrrolidone is added, ultrasound
Stirring, using the solution spinning of dry-jet wet-spinning, obtains compolymer/nano fiber, places it in carbonizer, be first passed through 200 DEG C
Carbon source gas is pre-processed, and 2h is stood, then is passed through 200 DEG C of nitrogen progress carbonization treatment, by obtained copolymerization carbonization Nanowire
Dimension, is cut out according to construction demand, is cleaned using deionized water to neutral, water bath processing, temperature is 100 DEG C, water bath time
It for 60min, is dried after water-bath, obtains pretreatment copolymerization carbonization nanofiber；
(4) it is that 8:1 mixing is made into dispersion liquid according to mass ratio by step (2) modified fibre crude granule, polyglycereol, adjusts dispersion liquid
The pH value of solution is 8, and 30min is stirred by ultrasonic, and the suspension after stirring is warming up to 240 DEG C, keeps the temperature 3 h, wait be cooled to 80 DEG C,
Sprinkle pre-processes copolymerization carbonization nanofiber in step (3), obtains multifunctional ceiling membrane；
(5) use specific surface area for 1300 m2/ g, pore size are 3 nm, and the multifunctional ceiling membrane that wherein micropore accounts for 80% is laid with
The soil surface after step (1) processing；
(6) soil on periphery in repair is carried out 1:1 with neighbouring domestic sludge uniformly to mix, obtains tailings sludge mixture,
Tailings sludge is mixed again and carries out acidification, stirring, compression, microwave treatment, obtains tailing Nutrition Soil；
(7) high-hydroscopicity cation exchange resin is sprinkled into prefabricated tailing Nutrition Soil, stirring is equal to water-absorption particle distribution
It is even, integrally it is layed in step (5) treated soil surface, laying depth 70cm；
(8) it is transplanted in the soil that step (7) is handled well and is suitble to mine growing plants in repair；
(9) soil surface after step (8) plant is laid with selective water permeable membrane.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method for Abandoned Land of Mine plant culture, comprising the following steps:
(1) rubble on Abandoned Land of Mine surface and rubbish are cleared up, is smooth；
(2) it carries out the smooth rear soil of step (1) to spray liquid manure, conserve 1~3 day；
(3) soil surface is laid with multifunctional ceiling membrane after step (2) processing；
(4) water-absorption particle is sprinkled into prefabricated tailing Nutrition Soil, stirring is evenly distributed to water-absorption particle, is integrally layed in step
Suddenly (3) treated soil surface, laying depth is 50 cm ~ 70cm；
(5) it is transplanted in the soil that step (4) is handled well and is suitble to mine growing plants in repair；
(6) soil surface after step (5) plant is laid with cover plate.
2. a kind of method for Abandoned Land of Mine plant culture according to claim 1, which is characterized in that the step
(3) multifunctional ceiling membrane is to be copolymerized carbonization nanofiber as membrane matrix material, using modified fibre crude granule as function to pre-process
Property granule filling material.
3. a kind of method for Abandoned Land of Mine plant culture according to claim 1, which is characterized in that the step
(3) multifunctional ceiling membrane is prepared by the following steps:
I. be (6-8) according to mass ratio by modified fibre crude granule, polyglycereol: 1 mixing is made into dispersion liquid, adjusts dispersion liquor
PH value be 6~8；
II. by step I dispersion liquid carry out ultrasonic agitation 20 min~30min, by the suspension after stirring be warming up to 200 DEG C~
240 DEG C, the h of 2 h~3 is kept the temperature, wait be cooled to 60 DEG C~80 DEG C, sprinkle is copolymerized on carbonization nanofiber in pretreatment, obtains more function
It can adsorbed film.
4. the preparation method of multifunctional ceiling membrane according to claim 3, which is characterized in that the pretreatment copolymerization carbonization
Nanofiber is prepared by the following steps:
A. it is (1-5) according to mass parts ratio by Kynoar, polyacrylonitrile, polyacrylonitrile block, polymethyl methacrylate:
(1-10): (1-3): (1-10) is mixed, and is dissolved in ethyl acetate organic solution, and solution temperature is 45 DEG C~55 DEG C, is added
0.5%~1% polyvinylpyrrolidone, ultrasonic agitation, using the solution spinning of dry-jet wet-spinning, obtains compolymer/nano fiber；
B. step a compolymer/nano fiber is placed in carbonizer, is first passed through 150 DEG C~200 DEG C of carbon source gas and is pre-processed,
1 h~2h is stood, then is passed through 150 DEG C~200 DEG C of nitrogen progress carbonization treatment, obtains copolymerization carbonization nanofiber；
C. step b is copolymerized carbonization nanofiber to be cut out according to construction demand, is cleaned using deionized water to neutral, water-bath
Processing, dries after water-bath, obtains pretreatment copolymerization carbonization nanofiber.
5. the preparation method of pretreatment copolymerization carbonization nanofiber according to claim 4, which is characterized in that the step
C bath temperature is 80 DEG C~100 DEG C, and water bath time is 40min~60min.
6. the preparation method of multifunctional ceiling membrane according to claim 3, which is characterized in that the modified fibre crude granule
It is prepared by the following steps:
A. 15%~25% sawdust, 25%~35% discarded careless blanket, 15%~25% discarded pericarp, 25%~35% coffee grounds are mixed
It closes, impregnate；
B. the mixture after step A being impregnated is cleaned with clear water, is dried；
C. the dry matter after step B drying is crushed, is sieved with 100 mesh sieve；
D. the stirring of 20% isopropanol, filtering, drying is added in step C screenings；
E. potassium hydroxide being added in the dry matter after step D drying to be stirred, the concentration of potassium hydroxide is 0.05~
0.15mol/L；
F. the mixture after step E stirring filtered, washed, solution pH value is 7 after adjustment washing；
G. mixed liquor after step F washing is filtered, dried, stood；
H. the dry matter addition citric acid after step G standing is stirred, is filtered, is washed, is filtered, is dried, is stood, is granulated,
Grinding obtains modified fibre crude granule.
7. a kind of method for Abandoned Land of Mine plant culture according to claim 1, which is characterized in that the step
(3) multifunctional ceiling membrane is hollow structure, and specific surface area is 1250 m2The m of/g~13002/ g, pore size are 1nm~10nm,
Wherein micropore accounts for 70%~80%.
8. a kind of method for Abandoned Land of Mine plant culture according to claim 1, which is characterized in that the step
(6) water-absorption particle is high-hydroscopicity cation exchange resin.
9. a kind of method for Abandoned Land of Mine plant culture according to claim 1, which is characterized in that the step
(7) tailing Nutrition Soil is prepared by the following steps:
I. the soil on periphery in repair is carried out 1:1 with neighbouring domestic sludge uniformly to mix, obtains tailings sludge mixture；
II. step I tailings sludge is mixed and carries out acidification, stirring, compression, microwave treatment, obtain tailing Nutrition Soil.
10. a kind of method for Abandoned Land of Mine plant culture according to claim 1, which is characterized in that the step
Suddenly (10) patch material is selective water permeable membrane, which can allow liquid water to flow into film lower end by film upper end, protect simultaneously
Moisture in card soil cannot be evaporated through film.
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