CN107135702A - A kind of method that rye grass is cultivated on lead polycyclic aromatic hydrocarbon pollution - Google Patents
A kind of method that rye grass is cultivated on lead polycyclic aromatic hydrocarbon pollution Download PDFInfo
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- CN107135702A CN107135702A CN201710352341.9A CN201710352341A CN107135702A CN 107135702 A CN107135702 A CN 107135702A CN 201710352341 A CN201710352341 A CN 201710352341A CN 107135702 A CN107135702 A CN 107135702A
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- lead
- aromatic hydrocarbon
- polycyclic aromatic
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- hydrocarbon pollution
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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
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Engineering & Computer Science (AREA)
- Mycology (AREA)
- Soil Sciences (AREA)
- Biomedical Technology (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention provides a kind of method of the cultivation rye grass on lead polycyclic aromatic hydrocarbon pollution, so as to reach that phytoremediation improves the purpose of lead polycyclic aromatic hydrocarbon pollution.In the planting hole made on lead polycyclic aromatic hydrocarbon pollution, soil conditioner A and soil conditioner B is mixed, special strain liquid is sprayed, rye grass is planted in plantation hole.Using this method plant can be made to be cultivated on lead polycyclic aromatic hydrocarbon pollution within a short period of time, and form closeer vegetation, significantly reduced lead polycyclic aromatic hydrocarbon pollution pH value and increase the content of its organic matter and nitrogen.This method has the advantages that low simple to operate, expense, the lead polycyclic aromatic hydrocarbon of resistance control lead polycyclic aromatic hydrocarbon pollution and other poisonous metal organic contaminations move that to move diffuser efficiency good and can beautify the environment.This technology can be used in terms of mine degraded ecosystem revegetation and the greening of trade effluent contaminated areas.
Description
Technical field
Field is repaired the invention belongs to soil pollution, is specifically related to a kind of by cultivating rye grass reparation lead-many cyclophanes
The method of soil contaminated with hydrocarbons.
Background technology
Soil pollution reparation refers to by physics, chemistry and biological method, absorbs, degrades, shifts and vertisol
Pollutant in earth, makes pollutant concentration be reduced to acceptable level, or poisonous and hazardous pollutant is converted into harmless
The process of material.Peripheral doses technology, chemical remediation technology and 3 kinds of modes of bioremediation technology including contaminated soil.
In contaminated soil remediation technology, bioremediation technology is because of its safety, non-secondary pollution and the low advantage of rehabilitation cost by more
Carry out more concerns.
Lead (Pb) is one of main heavy metal element in soil pollution, and China Pb and refining Pb yield occupy third place in the world
Position, Lead in Air dirt and exceeded 13~14.7 times of lead fume, are difficult drop in natural environment as increasingly extensive pollution sources
Solution, therefore be easy to accumulate in the environment such as soil, cause soil pollution.Polycyclic aromatic hydrocarbon (PAHs) is generally existing in environment
One class organic pollution.Why PAHs is paid close attention to by people, firstly because the carcinogenic of some PAHs, teratogenesis and cause are prominent
Become, secondly because PAHs is stable, be difficult to degrade, in the environment in ever-increasing trend.Industrial production and other people classes are lived
It is dynamic to turn into the main source of PAHs in soil.
Pollutant in environment just tends to diversification and complication, and mainly with the compound of organic and inorganic pollution
Or mixed form is present, and then environment and human health formation are threatened.So present situation of the combined pollution closer to environmental pollution,
Heavy metal and polycyclic aromatic hydrocarbon (PAHs) are typical two pollutants in environment, with exploitation of mineral resources, sewage irrigation, long-term use
Chemical fertilizer, agricultural chemicals and industrial waste gas sedimentation, cause China's soil to there is serious heavy metal and PAHs pollution problems.Heavy metal and
PAHs each has serious pollution to environment, and various synergy can often occur in the environment.
Lead-polycyclic aromatic hydrocarbon pollution, is considered as having serious shadow to environment because of its higher lead-polycyclic aromatic hydrocarbon content
Ring.There is substantial amounts of metallic ore to be exploited in China, produce a large amount of discarded objects, these discarded objects include lead-polycyclic aromatic hydrocarbon, caused
Chinese serious problem of environmental pollution.
Phytoremediation is considered as to reduce the most promising method of lead-polycyclic aromatic hydrocarbon environmental hazard.However, lead-polycyclic
Murder by poisoning of the aromatic hydrocarbons to plant so that phytoremediation is more difficult in lead-polycyclic aromatic hydrocarbons contaminated area practice.
The content of the invention
In order to solve the above problems, the present invention provides a kind of side that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution
Method.With the technology of the present invention in lead-polycyclic aromatic hydrocarbon pollution cultivation rye grass, Producing Area Soil environmental quality can be improved, and
Landscape ecological impurely can also be beautified, lead-polycyclic aromatic hydrocarbon clearance can reach more than 65%, and with process is simple, safety,
Chemical raw material species and consumption are few, processing time is short, non-secondary pollution and the characteristics of low rehabilitation cost.
The technical solution adopted by the present invention is：A kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution, bag
Include following steps：
1) soil conditioner A is prepared using rape cake and pig manure；
2) soil conditioner B is prepared using humic acid, urea, potassium dihydrogen phosphate, potassium palmitate, plant ash and calcium silicates；
3) with Su Jin clouds bacillus, Brevibacillus laterosporus, bacillus cereus, azotobacter chroococcum, bacillus megaterium, glue
Matter bacillus prepares strain liquid；
4) smooth lead-polycyclic aromatic hydrocarbon pollution, makes plantation hole；
5) 5.0-6.0kg soil conditioners A, 0.3-0.5kg soil conditioner B is put into each plantation hole, and mixes equal
It is even；Then with 55-100kg/m2Amount sprinkling strain liquid, and cover one layer of air-permeable protective film, and keep 15- at 20-40 DEG C
30 days, mixed fertilizer is made；
6) rye grass is planted：30-50 ryegrass seed is broadcast in each plantation hole, seed broadcasts the mixed fertilizer in mixing
Above, overburden soil 2.0-3.5cm, waters after planting well.
A kind of above-mentioned method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution, described soil conditioner A bags
Include 15-20 parts of rape cakes and 15-25 parts of pig manures.It is furthermore preferred that described soil conditioner A also includes 55-70 parts of forest top layers
Soil.
A kind of above-mentioned method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution, described soil conditioner B by
5-10 parts of humic acid, 5-10 parts of urea, 10-15 parts of potassium dihydrogen phosphates, 15-20 parts of potassium palmitates, 15-20 parts of plant ash and 35-
40 parts of calcium silicates are formulated.
A kind of above-mentioned method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution, described strain liquid is by 2-6 parts
Su Jin clouds bacillus, 0.5-2 parts of Brevibacillus laterosporus, 1-3 parts of bacillus cereus, 1-3 parts of azotobacter chroococcums, 1-3 parts it is huge
After bacillus, 1-3 parts of colloid bacillus cereus mixing, one layer of air-permeable protective film is covered, and kept for 15-30 days at 20-40 DEG C
It is made.
A kind of above-mentioned method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution, described plantation hole is：It is long
30-50cm, width 30-40cm, depth 10-l5cm.
The present invention, rye grass (Lolium perenne L.) be it is a kind of it is perennial, can be planted with the draft of multi-harvest
Thing, it grows rapidly, and biomass is big, and power of regeneration is strong, it is easy to plant.After rye grass Plant litterfall, these Plant litterfalls are allowed
Thing rots naturally or collects the aerial part of these vegetable materials and be covered in the base portion of plant, milpa can be kept more
Moisture and organic matter.
The beneficial effects of the invention are as follows：
1. the present invention, the material that processing lead-polycyclic aromatic hydrocarbon pollution is used is simple.
2. the present invention, repair conditioning efficiency high, cultivation rye grass after, lead-polycyclic aromatic hydrocarbon clearance can reach 65% with
On.
3. the present invention, cost is low, whole processing technology, which only needs to several frequently seen chemicals, (only needs conventional repair techniques
1/3-1/10 cost).
4. the present invention, technique is simple, be easy to grasp.
5. the present invention, is easy to mass production：Because cost is low, technique simple, it is easy to mass production.
6. the present invention, the disturbance to environment is few, beautify the environment.
7. the present invention, advanced technical support is provided for lead-polycyclic aromatic hydrocarbon pollution cultivation rye grass.
8. the present invention, particularly soil conditioner A, soil conditioner B and special bacterium solution preparation can improve rye grass
To the remediation efficiency of lead-polycyclic aromatic hydrocarbon pollution, lead-polycyclic aromatic hydrocarbon clearance can reach more than 65%, preferably solve
The harm that China's lead-polycyclic aromatic hydrocarbon pollution is caused to environment and health, has been greatly saved labour, has reduced phytoremediation
Cost, improves clearance of the rye grass to lead-polycyclic aromatic hydrocarbon pollution, enhances economic benefit and the life of plantation rye grass
State benefit, with larger promotional value.
9. using the present invention, plant can be made cultivate on lead-polycyclic aromatic hydrocarbon pollution within a short period of time, and formation compared with
Close vegetation, significantly reduces lead-polycyclic aromatic hydrocarbon pollution pH value and increases the content of its organic matter and nitrogen.With operation letter
Single, expense is low, lead-polycyclic aromatic hydrocarbon of resistance control lead-polycyclic aromatic hydrocarbon pollution and other poisonous metals-organic contamination move and move diffusion
Excellent in efficiency and the advantages of can beautify the environment.The present invention can be used for mine degraded ecosystem revegetation and trade effluent impurely
In terms of area's greening
Embodiment
A kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution of embodiment
(1) step is as follows：
1. prepare soil conditioner A：65 parts of 18 parts of rape cake, 20 parts of pig manure and forest topsoil (5-10cm) are taken, is mixed
Close uniform, be formulated.
2. prepare soil conditioner B：Take 8 parts of humic acid, 8 parts of urea, 12 parts of potassium dihydrogen phosphate, 18 parts of potassium palmitate, grass
37 parts of 18 parts of wood ash and calcium silicates, are well mixed, are formulated.
3. prepare strain liquid：Take 4 parts of Su Jin clouds bacillus, 1.5 parts of Brevibacillus laterosporus, 2 parts of bacillus cereus, circle brown
2 parts of nitrogen-fixing bacteria, 2 parts of bacillus megaterium, 2 parts of colloid bacillus cereus, after being well mixed, one layer of air-permeable protective film of covering, and
Keep being made for 15-30 days at 20-40 DEG C.
4. by lead-polycyclic aromatic hydrocarbon pollution, smooth sample, make plantation hole.Plantation hole：Long 30-50cm, width 30-
40cm, depth 10-l5cm.
5. in each plantation hole, 5.5kg soil conditioners A, 0.4kg soil conditioner B is put into, and be well mixed；Then
By 80kg/m2Amount sprinkling strain liquid after, cover one layer of air-permeable protective film, and at 20-40 DEG C keep 15-30 days, be made mix
Expect in Hefei.
6. in plantation hole, cultivate rye grass (Lolium perenne L.)：When planting rye grass, in each plantation hole
In broadcast 30 ryegrass seeds, seed is broadcast on the mixed fertilizer of mixing, overburden soil 2.0-3.5cm, plant it is good after water.
7. after rye grass Plant litterfall, make these Litters naturally rotten or collect the ground of these vegetable materials
Part and the base portion for being covered in plant, to keep the more moisture of milpa and organic matter.
(2) application test
1st, material selection：
Potted plant simulated test is carried out in greenhouse, often handles and uniformly sows 30 ryegrass seeds respectively per basin, other management
Consistent, the temperature in greenhouse controls in 38 DEG C ± 3 DEG C, humidity to be 45% ± 3%, grows into and terminates experiment after 40d.At random
It is divided into four groups.
Group 1：Using the method for the invention described above.
Group 2：Same as mentioned above, difference is：In the 5) step, the special strain liquid of the present invention is not sprayed,
And only with the soil conditioner A and B of the present invention, then plant rye grass on lead-polycyclic aromatic hydrocarbon pollution.
Group 3：Same as mentioned above, difference is：In the 5) step, the soil conditioner A of the present invention is not used
And B, after only being handled with special strain liquid, rye grass is planted on lead-polycyclic aromatic hydrocarbon pollution.
Group 4：Same as mentioned above, difference is：In the 5) step, the soil conditioner A of the present invention is not used
With B and special strain liquid, directly rye grass is planted on lead-polycyclic aromatic hydrocarbon pollution.
2nd, result
As a result such as table 1.
Table 1
From table 1, using the inventive method, particularly soil conditioner A, B is prepared, is prepared the side such as special strain liquid
Method, can improve remediation efficiency of the rye grass to lead-polycyclic aromatic hydrocarbon pollution, and lead-polycyclic aromatic hydrocarbon clearance can reach 65%
More than, rye grass is higher to lead-polycyclic aromatic hydrocarbon average absorption amount, preferably solves China's lead-polycyclic aromatic hydrocarbon pollution pair
Environment and the harm that causes of health, have been greatly saved labour, have reduced phytoremediation cost, improve rye grass to lead-many
The clearance of cyclophane soil contaminated with hydrocarbons, enhances the economic benefit and ecological benefits of plantation rye grass, with larger promotion price
Value.
Claims (6)
1. a kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution, it is characterised in that comprise the following steps：
1) soil conditioner A is prepared using rape cake and pig manure；
2) soil conditioner B is prepared using humic acid, urea, potassium dihydrogen phosphate, potassium palmitate, plant ash and calcium silicates；
3) with Su Jin clouds bacillus, Brevibacillus laterosporus, bacillus cereus, azotobacter chroococcum, bacillus megaterium, colloid bud
Spore bacillus prepares strain liquid；
4) smooth lead-polycyclic aromatic hydrocarbon pollution, makes plantation hole；
5) 5.0-6.0kg soil conditioners A, 0.3-0.5kg soil conditioner B is put into each plantation hole, and be well mixed；So
Afterwards with 55-100kg/m2Amount sprinkling strain liquid, and cover one layer of air-permeable protective film, at 20-40 DEG C keep 15-30 days, make
Obtain mixed fertilizer；
6) rye grass is planted：30-50 ryegrass seed is broadcast in each plantation hole, seed is broadcast on the mixed fertilizer of mixing
Face, overburden soil 2.0-3.5cm waters after planting well.
2. a kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution according to claim 1, its feature exists
In described soil conditioner A includes 15-20 parts of rape cakes and 15-25 parts of pig manures.
3. a kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution according to claim 1 or 2, it is special
Levy and be, described soil conditioner A also includes 55-70 parts of forest topsoils.
4. a kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution according to claim 1, its feature exists
In described soil conditioner B is by 5-10 parts of humic acid, 5-10 parts of urea, 10-15 parts of potassium dihydrogen phosphates, 15-20 parts of palmitic acids
Potassium, 15-20 part plant ash and 35-40 parts of calcium silicates are formulated.
5. a kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution according to claim 1, its feature exists
In described strain liquid is by 2-6 parts of Su Jin clouds bacillus, 0.5-2 parts of Brevibacillus laterosporus, 1-3 parts of bacillus cereus, 1-3
After part azotobacter chroococcum, 1-3 parts of bacillus megateriums, 1-3 parts of colloid bacillus cereus mixing, one layer of air-permeable protective film is covered, and
Keep being made for 15-30 days at 20-40 DEG C.
6. a kind of method that rye grass is cultivated on lead-polycyclic aromatic hydrocarbon pollution according to claim 1, its feature exists
In described plantation hole is：Long 30-50cm, width 30-40cm, depth 10-l5cm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546554A (en) * | 2018-03-15 | 2018-09-18 | 中国科学院南京土壤研究所 | A kind of polycyclic aromatic hydrocarbon pollution complex repairation agent and its application |
| CN108906866A (en) * | 2018-06-27 | 2018-11-30 | 北京高能时代环境技术股份有限公司 | The restorative procedure of petroleum hydrocarbon contaminated soil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108546554A (en) * | 2018-03-15 | 2018-09-18 | 中国科学院南京土壤研究所 | A kind of polycyclic aromatic hydrocarbon pollution complex repairation agent and its application |
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| CN107135702B (en) | 2019-11-29 |
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